Deformed Steel Bars Standard：GB1499.2-2007,BS4449:1997 Grade: Q235,HRB335,HRB400,HRB500,GR460A/B,GR500

Products Grade Size(m

m) Length Standard

Hot Rolled Deformed Bars

HRB400 HRB400E HRB500

HRB500E

Φ10-40 9m、12m or other length GB1499.2-2007

Carbon structural steel bars Q195-Q235

Φ10-60 9m、12m or other length GB/T14292-1993Low alloy high strength steel

bars Φ10-60 9m、12m or other length GB/T1591-2008

Low carbon steel bars 20#-50# Φ10-60 9m、12m or other length GB/T699-1999 Notes: Deformed bars or round bars can be produced as GB/T、JIS、Korea、EN、ASTM standard, and size Φ10-40*9-12m or other length.

European Standard Deformed Bars

Standard Size(mm) Cross-section area(mm2) Weight（kg/m）

BS4449 DIN488

GOST5781 GB1499

6 28.27 0.222 8 50.27 0.395

10 78.54 0.617 12 113.1 0.888 14 153.9 1.21 16 201.1 1.58 18 254.5 2.00 20 314.2 2.47 22 380.1 2.98 25 490.9 3.85 28 615.8 4.83 32 804.2 6.31 36 1018 7.99 40 1257 9.67 50 1964 15.42

American Standard Deformed Bars

Standard Size Diameter Cross-section

Area(mm2) Unit Weight

(kg/m) mm inch

ASTM A615 ASTM A616 ASTM A706

10 9.5 0.375 71 0.560 13 12.7 0.500 129 0.994 16 15.9 0.625 199 1.552 19 19.1 0.750 284 2.235

22 22.2 0.875 387 3.042 25 25.4 1.000 510 3.973 29 28.7 1.128 645 5.060 32 32.3 1.207 819 6.404 36 35.8 1.410 1006 7.907 43 43.0 1.693 1542 11.38

JIS Standard Deformed Bars

Grade code d

mm Circumference

cm Cross area

cm2 kg/m

JIS G3112

D4 4.23 1.3 0.1405 0.110 D5 5.29 1.7 0.2198 0.173 D6 6.35 2.0 0.3167 0.249 D8 7.94 2.5 0.4951 0.389

D10 9.53 3.0 0.7133 0.560 D13 12.7 4.0 1.267 0.995 D16 15.9 5.0 1.986 1.56 D19 19.1 6.0 2.865 2.25 D22 22.2 7.0 3.871 3.04 D25 25.4 8.0 5.067 3.98 D29 28.6 9.0 6.424 5.04 D32 31.8 10.0 7.942 6.23 D35 34.9 11.0 9.566 7.51 D38 38.1 12.0 11.40 8.95 D41 41.3 13.0 13.40 10.5 D51 50.8 16.0 20.27 15.9

Deformed Steel Bars & round bars Standard: GB 1499.2-2007 BS4449:1997 Steel Grade: HRB400 HRB500 BS4449 GR460 BS4449 GR500 ASTM A615 GR60 Length: 6-12m Size Weight and Tolerance of GB 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 ±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

Standard & Grade of Deformed Bars

Products Grade Size(mm) Length Standard

Hot Rolled Deformed Bars

HRB400 HRB400E HRB500

HRB500E ASTM A615 GR60

BS4449 GR460 BS4449 GR500

Φ12-30 9m,12m or other

length

GB1499.2-2007 ASTM A615

BS4449

Hot Rolled Deformed Bars

HRB400 HRB400E HRB500

HRB500E ASTM A615 GR60

BS4449 GR460 BS4449 GR500

Φ6-10 straight or in coil GB/T699-1999

ASTM A615 BS4449

Chemical Composition of GB deformed steel bars

Grade C Si Mn S P Ceq

HRB400 HRB400E HRB500

HRB500E

≤0.25% ≤0.80% ≤1.60% ≤0.040% ≤0.040%

≤0.54% ≤0.54% ≤0.55% ≤0.55%

Size and Tolerance of GB Deformed steel bar

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 ±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

Size and Tolerance of BS4449 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-section 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 as not common size.

Mechanical Properties Grade Yield Strength Tensile Strength Elongation

HRB400 ≥400mpa ≥540mpa ≥7.5% or as per

agreement

HRB400E ≥400mpa ≥540mpa≤700mpa

HRB500 ≥500mpa ≥630mpa ≥7.5% or as per

agreement

HRB500E ≥500mpa ≥630mpa≤820mpa

GR40 ≥280mpa ≥420mpa dia10mm ≥11% dia>13mm≥12%

GR60 ≥420mpa ≥620mpa dia10-19mm ≥9% dia22-25mm ≥8% dia≥29mm ≥7%

GR75 ≥520mpa ≥690mpa dia19-25mm ≥7% dia29-57mm ≥6%

GRADE460 ≥460mpa

GRADE500 ≥500mpa