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List of Deformed Steel Bars
Standard: GB 1499.2-2007 BS4449:1997 BS4449:2005 ASTM A615 KS D3504:2011 ASNZS4672-2001 MS·146:2014
Steel Grade: HRB400 HRB500 BS4449 Grade460 Grade500 ASTM A615 GR40 GR60 GR75
Length: 6-12m
| Product | Grade | Specification | Standard |
| Chinese Standard Deformed steel bar | HRB400,HRB400E-Cr | Φ6-12 mm Φ10-40mm | GB 1499.2-2007 |
| HRB500,HRB500E-Cr | |||
| British Standard Deformed Steel Bar | 460B B500B,B500C | Φ6---12mm Φ10-50mm | BS4449-1997 BS4449-2005 |
| Korean standard Deformed Steel Bar | SD400,SD500,SD600 | Φ10-32mm | KS D3504:2009 |
| American standard Deformed Steel Bar | Gr40,Gr60,Gr75,Gr80 | Φ8-40mm | ASTMA615/A615M-2013 |
| Australian standard (New Zealand Standard) Deformed Steel Bar | 500N | Φ12-36mm | ASNZS4672-2001 |
| 500E | Φ10-40mm | ||
| Malaysia standard Deformed Steel Bar | B500B | Φ10-40mm | MS·146:2014 |
Specifications of GB HRB400/500 Deformed Steel Bars
| Diameter(mm) | Cross-section area(mm2) | Theoretical Weight(kg/m) | Diameter Tolerance(mm) | Delivery Weight Tolerance(%) |
| 6 | 28.27 | 0.222 | ±0.5 | ±7 |
| 8 | 50.27 | 0.395 | ±0.5 | ±7 |
| 10 | 78.54 | 0.617 | ±0.5 | ±7 |
| 12 | 113.1 | 0.888 | ±0.5 | ±7 |
| 14 | 153.9 | 1.21 | ±0.5 | ±5 |
| 16 | 201.1 | 1.58 | ±0.5 | ±5 |
| 18 | 254.5 | 2.00 | ±0.5 | ±5 |
| 20 | 314.2 | 2.47 | ±0.8 | ±5 |
| 22 | 380.1 | 2.98 | ±0.8 | ±4 |
| 25 | 490.9 | 3.85 | ±0.8 | ±4 |
| 28 | 615.8 | 4.83 | ±1.0 | ±4 |
| 32 | 804.2 | 6.31 | ±1.0 | ±4 |
| 36 | 1 018 | 7.99 | ±1.0 | ±4 |
| 40 | 1 257 | 9.87 | ±1.0 | ±4 |
| 50 | 1 964 | 15.42 | ±1.0 | ±4 |
Chemical Composition of GB HRB400/500 deformed steel bars
| Grade | C | Si | Mn | S | P | Ceq |
| HRB400 | ≤0.25% | ≤0.80% | ≤1.60% | ≤0.040% | ≤0.040% | ≤0.54% |
| HRB400E | ≤0.54% | |||||
| HRB500 | ≤0.55% | |||||
| HRB500E | ≤0.55% |
Mechanical Properties of GB HRB400/500 deformed steel bars
| Grade | Yield Strength Rel | Tensile Strength Rm | Elongation A% | Special Requirements Agt% |
| HRB400 | ≥400Mpa | ≥540Mpa | ≥16 | ≥7.5 |
| HRB500 | ≥500Mpa | ≥630Mpa | ≥15 |
Specifications of BS4449:1997 Grade460 Deformed steel bar
| Diameter(mm) | Cross-section area(mm2) | Theoretical Weight(kg/m) | Diameter Tolerance(mm) | Delivery Weight Tolerance(%) |
| 6a | 28.3 | 0.222 | ≥-8% cross-sectional area | ±9% |
| 8 | 50.3 | 0.395 | ±6.5% | |
| 10 | 78.5 | 0.616 | ±6.5% | |
| 12 | 113.1 | 0.888 | ±4.5% | |
| 16 | 201.1 | 1.579 | ±4.5% | |
| 20 | 314.2 | 2.466 | ±4.5% | |
| 25 | 490.9 | 3.854 | ±4.5% | |
| 32 | 804.2 | 6.313 | ±4.5% | |
| 40 | 1256.6 | 9.864 | ±4.5% | |
| 50a | 1963.5 | 15.413 | ±4.5% | |
| a is not the common size. | ||||
Chemical Composition of BS4449:1997 Grade460 Deformed Steel Bar
| Grade | Carbon | Sulfur | Phosphorus | Nitrogen | Maximum carbon equivalent value % |
| Grade250 | ≤0.25 | ≤0.060 | ≤0.060 | ≤0.012 | ≤0.42 |
| Grade460 | ≤0.25 | ≤0.050 | ≤0.050 | ≤0.012 | ≤0.51 |
NOTE 1. The maximum value for nitrogen does not apply if the chemical composition shows a minimum aluminum content of 0.020 %, or if sufficient other nitrogen binding elements are present.
NOTE 2. Nitrogen content is not normally given on a release certificate.
Mechanical Properties of BS4449:1997 Grade460 Deformed Steel Bars
| Grade | Yield Strength Re(N/mm2)A | Stress Ratio Rm/Re (min.)B | Elongation at fracture A5%(min.) | Total Elongation at maximum force AgtC(min)% |
| Grade250 | 250 | 1.15 | 22 | - |
| Grade460A | 460 | 1.05 | 12 | 205 |
| Grade460B | 460 | 1.08 | 15 | 5 |
A. For routine testing the yield strength shall be considered a minimum value. For determination of the long term quality level, the values given shall be for the characteristic strength.
B. Rm is the tensile strength.
C.The total elongation at maximum force shall be measured and recorded and available for inspection, but values obtained below the minimum values specified shall not be a cause for non-conformity with this British Standard.
D. Ductility classes Grade 460A and Grade 460B are designated ductility classes N and H respectively in DD ENV 1992-1-1 : 1992.
Rib Pattern of BS4449:1997 Grade 460 Deformed Steel Bars
Chemical Composition of BS4449:2005 Grade500 Deformed steel Bars
| Carbon A | Sulphur | Phosphorus | Nitrogen B | Copper | Ceq | |
| Cast Analysis | ≤0.22% | ≤0.05% | ≤0.05% | ≤0.012% | ≤0.80% | ≤0.5% |
| Product Analysis | ≤0.24% | ≤0.055% | ≤0.055% | ≤0.014% | ≤0.85% | ≤0.52% |
Mechnical Properties of BS4449:2005 Grade500 Deformed Steel Bars
| Grade | Yield Strength Re(Mpa) | Ratio of Tensile/ Yield Strength Rm/Re (min) | Total Elongation at maximum Force Agt(min)% |
| B500A | 500 | 1.05A | 2.5B |
| B500B | 500 | 1.08 | 5 |
| B500C | 500 | ≥1.15,<1.35 | 7.5 |
A. Rm/Re characteristic is 1.02 for sizes below 8 mm.
B. Agt characteristic is 1.0 % for sizes below 8 mm.
Values of Re specified are characteristic with p = 0.95.
Values of Rm/Re and Agt specified are characteristic with p = 0.90.
Calculate the values of Rm and Re using the nominal cross sectional area.
Rib Pattern of BS4449:2005 Grade500
Specifications of ASTM A615 GR40/GR60/GR75
Mechnical Properties of ASTM A615 GR40/GR60/GR75
| Grade 40 | Grade 60 | Grade 75 | |
| [280]A | [420] | [520]B | |
| Tensile strength, min, psi [MPa] | 60 000 [420] | 90 000 [620] | 100 000 [690] |
| Yield strength, min, psi [MPa] | 40 000 [280] | 60 000 [420] | 75 000 [520] |
| Elongation in 8 in. [203.2 mm], min, %: | |||
| Bar Designation No. | |||
| 3 [10] | 11 | 9 | . . . |
| 4, 5 [13, 16] | 12 | 9 | . . . |
| 6 [19] | 12 | 9 | 7 |
| 7, 8 [22, 25] | . . . | 8 | 7 |
| 9, 10, 11 [29, 32, 36] | . . . | 7 | 6 |
| 14, 18 [43, 57] | . . . | 7 | 6 |
| A Grade 40 [280] bars are furnished only in sizes 3 through 6 [10 through 19]. | |||
| B Grade 75 [520] bars are furnished only in sizes 6 through 18 [19 through 57]. | |||
Packing of Deformed Steel Bars(only for refference)
| Size | Weight kg/m | Length 9m | Length 12m | ||
| Pieces/bundle | Theoretical weight Kg/bundle | Pieces/bundle | Theoretical weight Kg/bundle | ||
| Φ10 | 0.617 | 400 | 2221 | 320 | 2369 |
| Φ12 | 0.888 | 280 | 2237 | 215 | 2291 |
| Φ14 | 1.210 | 210 | 2287 | 155 | 2251 |
| Φ16 | 1.580 | 160 | 2275 | 125 | 2370 |
| Φ18 | 2.000 | 120 | 2160 | 95 | 2280 |
| Φ20 | 2.470 | 100 | 2223 | 75 | 2223 |
| Φ22 | 2.980 | 80 | 2146 | 60 | 2146 |
| Φ25 | 3.850 | 65 | 2252 | 50 | 2310 |
| Φ28 | 4.830 | 50 | 2173 | 40 | 2318 |
| Φ32 | 6.310 | 40 | 2271 | 30 | 2272 |
| Φ36 | 7.990 | 30 | 2157 | 24 | 2301 |
| Φ40 | 9.870 | 25 | 2220 | 18 | 2132 |
List of Deformed Steel Bars
Standard: GB 1499.2-2007 BS4449:1997 BS4449:2005 ASTM A615 KS D3504:2011 ASNZS4672-2001 MS·146:2014
Steel Grade: HRB400 HRB500 BS4449 Grade460 Grade500 ASTM A615 GR40 GR60 GR75
Length: 6-12m
| Product | Grade | Specification | Standard |
| Chinese Standard Deformed steel bar | HRB400,HRB400E-Cr | Φ6-12 mm Φ10-40mm | GB 1499.2-2007 |
| HRB500,HRB500E-Cr | |||
| British Standard Deformed Steel Bar | 460B B500B,B500C | Φ6---12mm Φ10-50mm | BS4449-1997 BS4449-2005 |
| Korean standard Deformed Steel Bar | SD400,SD500,SD600 | Φ10-32mm | KS D3504:2009 |
| American standard Deformed Steel Bar | Gr40,Gr60,Gr75,Gr80 | Φ8-40mm | ASTMA615/A615M-2013 |
| Australian standard (New Zealand Standard) Deformed Steel Bar | 500N | Φ12-36mm | ASNZS4672-2001 |
| 500E | Φ10-40mm | ||
| Malaysia standard Deformed Steel Bar | B500B | Φ10-40mm | MS·146:2014 |
Specifications of GB HRB400/500 Deformed Steel Bars
| Diameter(mm) | Cross-section area(mm2) | Theoretical Weight(kg/m) | Diameter Tolerance(mm) | Delivery Weight Tolerance(%) |
| 6 | 28.27 | 0.222 | ±0.5 | ±7 |
| 8 | 50.27 | 0.395 | ±0.5 | ±7 |
| 10 | 78.54 | 0.617 | ±0.5 | ±7 |
| 12 | 113.1 | 0.888 | ±0.5 | ±7 |
| 14 | 153.9 | 1.21 | ±0.5 | ±5 |
| 16 | 201.1 | 1.58 | ±0.5 | ±5 |
| 18 | 254.5 | 2.00 | ±0.5 | ±5 |
| 20 | 314.2 | 2.47 | ±0.8 | ±5 |
| 22 | 380.1 | 2.98 | ±0.8 | ±4 |
| 25 | 490.9 | 3.85 | ±0.8 | ±4 |
| 28 | 615.8 | 4.83 | ±1.0 | ±4 |
| 32 | 804.2 | 6.31 | ±1.0 | ±4 |
| 36 | 1 018 | 7.99 | ±1.0 | ±4 |
| 40 | 1 257 | 9.87 | ±1.0 | ±4 |
| 50 | 1 964 | 15.42 | ±1.0 | ±4 |
Chemical Composition of GB HRB400/500 deformed steel bars
| Grade | C | Si | Mn | S | P | Ceq |
| HRB400 | ≤0.25% | ≤0.80% | ≤1.60% | ≤0.040% | ≤0.040% | ≤0.54% |
| HRB400E | ≤0.54% | |||||
| HRB500 | ≤0.55% | |||||
| HRB500E | ≤0.55% |
Mechanical Properties of GB HRB400/500 deformed steel bars
| Grade | Yield Strength Rel | Tensile Strength Rm | Elongation A% | Special Requirements Agt% |
| HRB400 | ≥400Mpa | ≥540Mpa | ≥16 | ≥7.5 |
| HRB500 | ≥500Mpa | ≥630Mpa | ≥15 |
Specifications of BS4449:1997 Grade460 Deformed steel bar
| Diameter(mm) | Cross-section area(mm2) | Theoretical Weight(kg/m) | Diameter Tolerance(mm) | Delivery Weight Tolerance(%) |
| 6a | 28.3 | 0.222 | ≥-8% cross-sectional area | ±9% |
| 8 | 50.3 | 0.395 | ±6.5% | |
| 10 | 78.5 | 0.616 | ±6.5% | |
| 12 | 113.1 | 0.888 | ±4.5% | |
| 16 | 201.1 | 1.579 | ±4.5% | |
| 20 | 314.2 | 2.466 | ±4.5% | |
| 25 | 490.9 | 3.854 | ±4.5% | |
| 32 | 804.2 | 6.313 | ±4.5% | |
| 40 | 1256.6 | 9.864 | ±4.5% | |
| 50a | 1963.5 | 15.413 | ±4.5% | |
| a is not the common size. | ||||
Chemical Composition of BS4449:1997 Grade460 Deformed Steel Bar
| Grade | Carbon | Sulfur | Phosphorus | Nitrogen | Maximum carbon equivalent value % |
| Grade250 | ≤0.25 | ≤0.060 | ≤0.060 | ≤0.012 | ≤0.42 |
| Grade460 | ≤0.25 | ≤0.050 | ≤0.050 | ≤0.012 | ≤0.51 |
NOTE 1. The maximum value for nitrogen does not apply if the chemical composition shows a minimum aluminum content of 0.020 %, or if sufficient other nitrogen binding elements are present.
NOTE 2. Nitrogen content is not normally given on a release certificate.
Mechanical Properties of BS4449:1997 Grade460 Deformed Steel Bars
| Grade | Yield Strength Re(N/mm2)A | Stress Ratio Rm/Re (min.)B | Elongation at fracture A5%(min.) | Total Elongation at maximum force AgtC(min)% |
| Grade250 | 250 | 1.15 | 22 | - |
| Grade460A | 460 | 1.05 | 12 | 205 |
| Grade460B | 460 | 1.08 | 15 | 5 |
A. For routine testing the yield strength shall be considered a minimum value. For determination of the long term quality level, the values given shall be for the characteristic strength.
B. Rm is the tensile strength.
C.The total elongation at maximum force shall be measured and recorded and available for inspection, but values obtained below the minimum values specified shall not be a cause for non-conformity with this British Standard.
D. Ductility classes Grade 460A and Grade 460B are designated ductility classes N and H respectively in DD ENV 1992-1-1 : 1992.
Rib Pattern of BS4449:1997 Grade 460 Deformed Steel Bars
Chemical Composition of BS4449:2005 Grade500 Deformed steel Bars
| Carbon A | Sulphur | Phosphorus | Nitrogen B | Copper | Ceq | |
| Cast Analysis | ≤0.22% | ≤0.05% | ≤0.05% | ≤0.012% | ≤0.80% | ≤0.5% |
| Product Analysis | ≤0.24% | ≤0.055% | ≤0.055% | ≤0.014% | ≤0.85% | ≤0.52% |
Mechnical Properties of BS4449:2005 Grade500 Deformed Steel Bars
| Grade | Yield Strength Re(Mpa) | Ratio of Tensile/ Yield Strength Rm/Re (min) | Total Elongation at maximum Force Agt(min)% |
| B500A | 500 | 1.05A | 2.5B |
| B500B | 500 | 1.08 | 5 |
| B500C | 500 | ≥1.15,<1.35 | 7.5 |
A. Rm/Re characteristic is 1.02 for sizes below 8 mm.
B. Agt characteristic is 1.0 % for sizes below 8 mm.
Values of Re specified are characteristic with p = 0.95.
Values of Rm/Re and Agt specified are characteristic with p = 0.90.
Calculate the values of Rm and Re using the nominal cross sectional area.
Rib Pattern of BS4449:2005 Grade500
Specifications of ASTM A615 GR40/GR60/GR75
Mechnical Properties of ASTM A615 GR40/GR60/GR75
| Grade 40 | Grade 60 | Grade 75 | |
| [280]A | [420] | [520]B | |
| Tensile strength, min, psi [MPa] | 60 000 [420] | 90 000 [620] | 100 000 [690] |
| Yield strength, min, psi [MPa] | 40 000 [280] | 60 000 [420] | 75 000 [520] |
| Elongation in 8 in. [203.2 mm], min, %: | |||
| Bar Designation No. | |||
| 3 [10] | 11 | 9 | . . . |
| 4, 5 [13, 16] | 12 | 9 | . . . |
| 6 [19] | 12 | 9 | 7 |
| 7, 8 [22, 25] | . . . | 8 | 7 |
| 9, 10, 11 [29, 32, 36] | . . . | 7 | 6 |
| 14, 18 [43, 57] | . . . | 7 | 6 |
| A Grade 40 [280] bars are furnished only in sizes 3 through 6 [10 through 19]. | |||
| B Grade 75 [520] bars are furnished only in sizes 6 through 18 [19 through 57]. | |||
Packing of Deformed Steel Bars(only for refference)
| Size | Weight kg/m | Length 9m | Length 12m | ||
| Pieces/bundle | Theoretical weight Kg/bundle | Pieces/bundle | Theoretical weight Kg/bundle | ||
| Φ10 | 0.617 | 400 | 2221 | 320 | 2369 |
| Φ12 | 0.888 | 280 | 2237 | 215 | 2291 |
| Φ14 | 1.210 | 210 | 2287 | 155 | 2251 |
| Φ16 | 1.580 | 160 | 2275 | 125 | 2370 |
| Φ18 | 2.000 | 120 | 2160 | 95 | 2280 |
| Φ20 | 2.470 | 100 | 2223 | 75 | 2223 |
| Φ22 | 2.980 | 80 | 2146 | 60 | 2146 |
| Φ25 | 3.850 | 65 | 2252 | 50 | 2310 |
| Φ28 | 4.830 | 50 | 2173 | 40 | 2318 |
| Φ32 | 6.310 | 40 | 2271 | 30 | 2272 |
| Φ36 | 7.990 | 30 | 2157 | 24 | 2301 |
| Φ40 | 9.870 | 25 | 2220 | 18 | 2132 |
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List of Deformed Steel Bars
Standard: GB 1499.2-2007 BS4449:1997 BS4449:2005 ASTM A615 KS D3504:2011 ASNZS4672-2001 MS·146:2014
Steel Grade: HRB400 HRB500 BS4449 Grade460 Grade500 ASTM A615 GR40 GR60 GR75
Length: 6-12m
| Product | Grade | Specification | Standard |
| Chinese Standard Deformed steel bar | HRB400,HRB400E-Cr | Φ6-12 mm Φ10-40mm | GB 1499.2-2007 |
| HRB500,HRB500E-Cr | |||
| British Standard Deformed Steel Bar | 460B B500B,B500C | Φ6---12mm Φ10-50mm | BS4449-1997 BS4449-2005 |
| Korean standard Deformed Steel Bar | SD400,SD500,SD600 | Φ10-32mm | KS D3504:2009 |
| American standard Deformed Steel Bar | Gr40,Gr60,Gr75,Gr80 | Φ8-40mm | ASTMA615/A615M-2013 |
| Australian standard (New Zealand Standard) Deformed Steel Bar | 500N | Φ12-36mm | ASNZS4672-2001 |
| 500E | Φ10-40mm | ||
| Malaysia standard Deformed Steel Bar | B500B | Φ10-40mm | MS·146:2014 |
Specifications of GB HRB400/500 Deformed Steel Bars
| Diameter(mm) | Cross-section area(mm2) | Theoretical Weight(kg/m) | Diameter Tolerance(mm) | Delivery Weight Tolerance(%) |
| 6 | 28.27 | 0.222 | ±0.5 | ±7 |
| 8 | 50.27 | 0.395 | ±0.5 | ±7 |
| 10 | 78.54 | 0.617 | ±0.5 | ±7 |
| 12 | 113.1 | 0.888 | ±0.5 | ±7 |
| 14 | 153.9 | 1.21 | ±0.5 | ±5 |
| 16 | 201.1 | 1.58 | ±0.5 | ±5 |
| 18 | 254.5 | 2.00 | ±0.5 | ±5 |
| 20 | 314.2 | 2.47 | ±0.8 | ±5 |
| 22 | 380.1 | 2.98 | ±0.8 | ±4 |
| 25 | 490.9 | 3.85 | ±0.8 | ±4 |
| 28 | 615.8 | 4.83 | ±1.0 | ±4 |
| 32 | 804.2 | 6.31 | ±1.0 | ±4 |
| 36 | 1 018 | 7.99 | ±1.0 | ±4 |
| 40 | 1 257 | 9.87 | ±1.0 | ±4 |
| 50 | 1 964 | 15.42 | ±1.0 | ±4 |
Chemical Composition of GB HRB400/500 deformed steel bars
| Grade | C | Si | Mn | S | P | Ceq |
| HRB400 | ≤0.25% | ≤0.80% | ≤1.60% | ≤0.040% | ≤0.040% | ≤0.54% |
| HRB400E | ≤0.54% | |||||
| HRB500 | ≤0.55% | |||||
| HRB500E | ≤0.55% |
Mechanical Properties of GB HRB400/500 deformed steel bars
| Grade | Yield Strength Rel | Tensile Strength Rm | Elongation A% | Special Requirements Agt% |
| HRB400 | ≥400Mpa | ≥540Mpa | ≥16 | ≥7.5 |
| HRB500 | ≥500Mpa | ≥630Mpa | ≥15 |
Specifications of BS4449:1997 Grade460 Deformed steel bar
| Diameter(mm) | Cross-section area(mm2) | Theoretical Weight(kg/m) | Diameter Tolerance(mm) | Delivery Weight Tolerance(%) |
| 6a | 28.3 | 0.222 | ≥-8% cross-sectional area | ±9% |
| 8 | 50.3 | 0.395 | ±6.5% | |
| 10 | 78.5 | 0.616 | ±6.5% | |
| 12 | 113.1 | 0.888 | ±4.5% | |
| 16 | 201.1 | 1.579 | ±4.5% | |
| 20 | 314.2 | 2.466 | ±4.5% | |
| 25 | 490.9 | 3.854 | ±4.5% | |
| 32 | 804.2 | 6.313 | ±4.5% | |
| 40 | 1256.6 | 9.864 | ±4.5% | |
| 50a | 1963.5 | 15.413 | ±4.5% | |
| a is not the common size. | ||||
Chemical Composition of BS4449:1997 Grade460 Deformed Steel Bar
| Grade | Carbon | Sulfur | Phosphorus | Nitrogen | Maximum carbon equivalent value % |
| Grade250 | ≤0.25 | ≤0.060 | ≤0.060 | ≤0.012 | ≤0.42 |
| Grade460 | ≤0.25 | ≤0.050 | ≤0.050 | ≤0.012 | ≤0.51 |
NOTE 1. The maximum value for nitrogen does not apply if the chemical composition shows a minimum aluminum content of 0.020 %, or if sufficient other nitrogen binding elements are present.
NOTE 2. Nitrogen content is not normally given on a release certificate.
Mechanical Properties of BS4449:1997 Grade460 Deformed Steel Bars
| Grade | Yield Strength Re(N/mm2)A | Stress Ratio Rm/Re (min.)B | Elongation at fracture A5%(min.) | Total Elongation at maximum force AgtC(min)% |
| Grade250 | 250 | 1.15 | 22 | - |
| Grade460A | 460 | 1.05 | 12 | 205 |
| Grade460B | 460 | 1.08 | 15 | 5 |
A. For routine testing the yield strength shall be considered a minimum value. For determination of the long term quality level, the values given shall be for the characteristic strength.
B. Rm is the tensile strength.
C.The total elongation at maximum force shall be measured and recorded and available for inspection, but values obtained below the minimum values specified shall not be a cause for non-conformity with this British Standard.
D. Ductility classes Grade 460A and Grade 460B are designated ductility classes N and H respectively in DD ENV 1992-1-1 : 1992.
Rib Pattern of BS4449:1997 Grade 460 Deformed Steel Bars
Chemical Composition of BS4449:2005 Grade500 Deformed steel Bars
| Carbon A | Sulphur | Phosphorus | Nitrogen B | Copper | Ceq | |
| Cast Analysis | ≤0.22% | ≤0.05% | ≤0.05% | ≤0.012% | ≤0.80% | ≤0.5% |
| Product Analysis | ≤0.24% | ≤0.055% | ≤0.055% | ≤0.014% | ≤0.85% | ≤0.52% |
Mechnical Properties of BS4449:2005 Grade500 Deformed Steel Bars
| Grade | Yield Strength Re(Mpa) | Ratio of Tensile/ Yield Strength Rm/Re (min) | Total Elongation at maximum Force Agt(min)% |
| B500A | 500 | 1.05A | 2.5B |
| B500B | 500 | 1.08 | 5 |
| B500C | 500 | ≥1.15,<1.35 | 7.5 |
A. Rm/Re characteristic is 1.02 for sizes below 8 mm.
B. Agt characteristic is 1.0 % for sizes below 8 mm.
Values of Re specified are characteristic with p = 0.95.
Values of Rm/Re and Agt specified are characteristic with p = 0.90.
Calculate the values of Rm and Re using the nominal cross sectional area.
Rib Pattern of BS4449:2005 Grade500
Specifications of ASTM A615 GR40/GR60/GR75
Mechnical Properties of ASTM A615 GR40/GR60/GR75
| Grade 40 | Grade 60 | Grade 75 | |
| [280]A | [420] | [520]B | |
| Tensile strength, min, psi [MPa] | 60 000 [420] | 90 000 [620] | 100 000 [690] |
| Yield strength, min, psi [MPa] | 40 000 [280] | 60 000 [420] | 75 000 [520] |
| Elongation in 8 in. [203.2 mm], min, %: | |||
| Bar Designation No. | |||
| 3 [10] | 11 | 9 | . . . |
| 4, 5 [13, 16] | 12 | 9 | . . . |
| 6 [19] | 12 | 9 | 7 |
| 7, 8 [22, 25] | . . . | 8 | 7 |
| 9, 10, 11 [29, 32, 36] | . . . | 7 | 6 |
| 14, 18 [43, 57] | . . . | 7 | 6 |
| A Grade 40 [280] bars are furnished only in sizes 3 through 6 [10 through 19]. | |||
| B Grade 75 [520] bars are furnished only in sizes 6 through 18 [19 through 57]. | |||
Packing of Deformed Steel Bars(only for refference)
| Size | Weight kg/m | Length 9m | Length 12m | ||
| Pieces/bundle | Theoretical weight Kg/bundle | Pieces/bundle | Theoretical weight Kg/bundle | ||
| Φ10 | 0.617 | 400 | 2221 | 320 | 2369 |
| Φ12 | 0.888 | 280 | 2237 | 215 | 2291 |
| Φ14 | 1.210 | 210 | 2287 | 155 | 2251 |
| Φ16 | 1.580 | 160 | 2275 | 125 | 2370 |
| Φ18 | 2.000 | 120 | 2160 | 95 | 2280 |
| Φ20 | 2.470 | 100 | 2223 | 75 | 2223 |
| Φ22 | 2.980 | 80 | 2146 | 60 | 2146 |
| Φ25 | 3.850 | 65 | 2252 | 50 | 2310 |
| Φ28 | 4.830 | 50 | 2173 | 40 | 2318 |
| Φ32 | 6.310 | 40 | 2271 | 30 | 2272 |
| Φ36 | 7.990 | 30 | 2157 | 24 | 2301 |
| Φ40 | 9.870 | 25 | 2220 | 18 | 2132 |
List of Deformed Steel Bars
Standard: GB 1499.2-2007 BS4449:1997 BS4449:2005 ASTM A615 KS D3504:2011 ASNZS4672-2001 MS·146:2014
Steel Grade: HRB400 HRB500 BS4449 Grade460 Grade500 ASTM A615 GR40 GR60 GR75
Length: 6-12m
| Product | Grade | Specification | Standard |
| Chinese Standard Deformed steel bar | HRB400,HRB400E-Cr | Φ6-12 mm Φ10-40mm | GB 1499.2-2007 |
| HRB500,HRB500E-Cr | |||
| British Standard Deformed Steel Bar | 460B B500B,B500C | Φ6---12mm Φ10-50mm | BS4449-1997 BS4449-2005 |
| Korean standard Deformed Steel Bar | SD400,SD500,SD600 | Φ10-32mm | KS D3504:2009 |
| American standard Deformed Steel Bar | Gr40,Gr60,Gr75,Gr80 | Φ8-40mm | ASTMA615/A615M-2013 |
| Australian standard (New Zealand Standard) Deformed Steel Bar | 500N | Φ12-36mm | ASNZS4672-2001 |
| 500E | Φ10-40mm | ||
| Malaysia standard Deformed Steel Bar | B500B | Φ10-40mm | MS·146:2014 |
Specifications of GB HRB400/500 Deformed Steel Bars
| Diameter(mm) | Cross-section area(mm2) | Theoretical Weight(kg/m) | Diameter Tolerance(mm) | Delivery Weight Tolerance(%) |
| 6 | 28.27 | 0.222 | ±0.5 | ±7 |
| 8 | 50.27 | 0.395 | ±0.5 | ±7 |
| 10 | 78.54 | 0.617 | ±0.5 | ±7 |
| 12 | 113.1 | 0.888 | ±0.5 | ±7 |
| 14 | 153.9 | 1.21 | ±0.5 | ±5 |
| 16 | 201.1 | 1.58 | ±0.5 | ±5 |
| 18 | 254.5 | 2.00 | ±0.5 | ±5 |
| 20 | 314.2 | 2.47 | ±0.8 | ±5 |
| 22 | 380.1 | 2.98 | ±0.8 | ±4 |
| 25 | 490.9 | 3.85 | ±0.8 | ±4 |
| 28 | 615.8 | 4.83 | ±1.0 | ±4 |
| 32 | 804.2 | 6.31 | ±1.0 | ±4 |
| 36 | 1 018 | 7.99 | ±1.0 | ±4 |
| 40 | 1 257 | 9.87 | ±1.0 | ±4 |
| 50 | 1 964 | 15.42 | ±1.0 | ±4 |
Chemical Composition of GB HRB400/500 deformed steel bars
| Grade | C | Si | Mn | S | P | Ceq |
| HRB400 | ≤0.25% | ≤0.80% | ≤1.60% | ≤0.040% | ≤0.040% | ≤0.54% |
| HRB400E | ≤0.54% | |||||
| HRB500 | ≤0.55% | |||||
| HRB500E | ≤0.55% |
Mechanical Properties of GB HRB400/500 deformed steel bars
| Grade | Yield Strength Rel | Tensile Strength Rm | Elongation A% | Special Requirements Agt% |
| HRB400 | ≥400Mpa | ≥540Mpa | ≥16 | ≥7.5 |
| HRB500 | ≥500Mpa | ≥630Mpa | ≥15 |
Specifications of BS4449:1997 Grade460 Deformed steel bar
| Diameter(mm) | Cross-section area(mm2) | Theoretical Weight(kg/m) | Diameter Tolerance(mm) | Delivery Weight Tolerance(%) |
| 6a | 28.3 | 0.222 | ≥-8% cross-sectional area | ±9% |
| 8 | 50.3 | 0.395 | ±6.5% | |
| 10 | 78.5 | 0.616 | ±6.5% | |
| 12 | 113.1 | 0.888 | ±4.5% | |
| 16 | 201.1 | 1.579 | ±4.5% | |
| 20 | 314.2 | 2.466 | ±4.5% | |
| 25 | 490.9 | 3.854 | ±4.5% | |
| 32 | 804.2 | 6.313 | ±4.5% | |
| 40 | 1256.6 | 9.864 | ±4.5% | |
| 50a | 1963.5 | 15.413 | ±4.5% | |
| a is not the common size. | ||||
Chemical Composition of BS4449:1997 Grade460 Deformed Steel Bar
| Grade | Carbon | Sulfur | Phosphorus | Nitrogen | Maximum carbon equivalent value % |
| Grade250 | ≤0.25 | ≤0.060 | ≤0.060 | ≤0.012 | ≤0.42 |
| Grade460 | ≤0.25 | ≤0.050 | ≤0.050 | ≤0.012 | ≤0.51 |
NOTE 1. The maximum value for nitrogen does not apply if the chemical composition shows a minimum aluminum content of 0.020 %, or if sufficient other nitrogen binding elements are present.
NOTE 2. Nitrogen content is not normally given on a release certificate.
Mechanical Properties of BS4449:1997 Grade460 Deformed Steel Bars
| Grade | Yield Strength Re(N/mm2)A | Stress Ratio Rm/Re (min.)B | Elongation at fracture A5%(min.) | Total Elongation at maximum force AgtC(min)% |
| Grade250 | 250 | 1.15 | 22 | - |
| Grade460A | 460 | 1.05 | 12 | 205 |
| Grade460B | 460 | 1.08 | 15 | 5 |
A. For routine testing the yield strength shall be considered a minimum value. For determination of the long term quality level, the values given shall be for the characteristic strength.
B. Rm is the tensile strength.
C.The total elongation at maximum force shall be measured and recorded and available for inspection, but values obtained below the minimum values specified shall not be a cause for non-conformity with this British Standard.
D. Ductility classes Grade 460A and Grade 460B are designated ductility classes N and H respectively in DD ENV 1992-1-1 : 1992.
Rib Pattern of BS4449:1997 Grade 460 Deformed Steel Bars
Chemical Composition of BS4449:2005 Grade500 Deformed steel Bars
| Carbon A | Sulphur | Phosphorus | Nitrogen B | Copper | Ceq | |
| Cast Analysis | ≤0.22% | ≤0.05% | ≤0.05% | ≤0.012% | ≤0.80% | ≤0.5% |
| Product Analysis | ≤0.24% | ≤0.055% | ≤0.055% | ≤0.014% | ≤0.85% | ≤0.52% |
Mechnical Properties of BS4449:2005 Grade500 Deformed Steel Bars
| Grade | Yield Strength Re(Mpa) | Ratio of Tensile/ Yield Strength Rm/Re (min) | Total Elongation at maximum Force Agt(min)% |
| B500A | 500 | 1.05A | 2.5B |
| B500B | 500 | 1.08 | 5 |
| B500C | 500 | ≥1.15,<1.35 | 7.5 |
A. Rm/Re characteristic is 1.02 for sizes below 8 mm.
B. Agt characteristic is 1.0 % for sizes below 8 mm.
Values of Re specified are characteristic with p = 0.95.
Values of Rm/Re and Agt specified are characteristic with p = 0.90.
Calculate the values of Rm and Re using the nominal cross sectional area.
Rib Pattern of BS4449:2005 Grade500
Specifications of ASTM A615 GR40/GR60/GR75
Mechnical Properties of ASTM A615 GR40/GR60/GR75
| Grade 40 | Grade 60 | Grade 75 | |
| [280]A | [420] | [520]B | |
| Tensile strength, min, psi [MPa] | 60 000 [420] | 90 000 [620] | 100 000 [690] |
| Yield strength, min, psi [MPa] | 40 000 [280] | 60 000 [420] | 75 000 [520] |
| Elongation in 8 in. [203.2 mm], min, %: | |||
| Bar Designation No. | |||
| 3 [10] | 11 | 9 | . . . |
| 4, 5 [13, 16] | 12 | 9 | . . . |
| 6 [19] | 12 | 9 | 7 |
| 7, 8 [22, 25] | . . . | 8 | 7 |
| 9, 10, 11 [29, 32, 36] | . . . | 7 | 6 |
| 14, 18 [43, 57] | . . . | 7 | 6 |
| A Grade 40 [280] bars are furnished only in sizes 3 through 6 [10 through 19]. | |||
| B Grade 75 [520] bars are furnished only in sizes 6 through 18 [19 through 57]. | |||
Packing of Deformed Steel Bars(only for refference)
| Size | Weight kg/m | Length 9m | Length 12m | ||
| Pieces/bundle | Theoretical weight Kg/bundle | Pieces/bundle | Theoretical weight Kg/bundle | ||
| Φ10 | 0.617 | 400 | 2221 | 320 | 2369 |
| Φ12 | 0.888 | 280 | 2237 | 215 | 2291 |
| Φ14 | 1.210 | 210 | 2287 | 155 | 2251 |
| Φ16 | 1.580 | 160 | 2275 | 125 | 2370 |
| Φ18 | 2.000 | 120 | 2160 | 95 | 2280 |
| Φ20 | 2.470 | 100 | 2223 | 75 | 2223 |
| Φ22 | 2.980 | 80 | 2146 | 60 | 2146 |
| Φ25 | 3.850 | 65 | 2252 | 50 | 2310 |
| Φ28 | 4.830 | 50 | 2173 | 40 | 2318 |
| Φ32 | 6.310 | 40 | 2271 | 30 | 2272 |
| Φ36 | 7.990 | 30 | 2157 | 24 | 2301 |
| Φ40 | 9.870 | 25 | 2220 | 18 | 2132 |
inspection
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