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Chemical Composition

Steel Class Chemical Composition(%)
C Si Mn P S CE
BjTS 30 0.27 max 0.55 max 1.50 max 0.05 max 0.05 max -
BjTS 35 0.27 max 0.55 max 1.60 max 0.05 max 0.05 max 0.50 max
BjTS 40 0.29 max 0.55 max 1.80 max 0.05 max 0.05 max 0.55 max
BjTS 50 0.32 max 0.55 max 1.80 max 0.05 max 0.05 max 0.60 max

 

Mechanical Properties

Steel Class Tensile TestBending Test
Min Yield Point
(kgf/mm²)
Min Tensile Strength
(kgf/mm²)
Min Elongation
(%)
Bending Angle Bending Diameter
BjTS 30 30 45 18 180° 3 x d
BjTS 35 35 50 20 180° 4 x d
BjTS 40 40 57 18 180° 5 x d
BjTS 50 50 63 14 90° 5 x d

 

Dimension

Designation Cross Sectional Area
(mm²)
Unit Weight Deformation Requirements
Effective
(kg/m)
Tolerance
(%)
Min Height
(mm)
Max Height
(mm)
Max Spacing
(mm)
Max Gap
(mm)
D 10 78.54 0.617 ± 7 0.5 1.0 7.0 7.9
D 13 132.7 1.04 ± 6 0.7 1.3 9.1 10.2
D 16 201.1 1.58 ± 6 0.8 1.6 11.2 12.6
D 19 283.5 2.23 ± 5 1.0 1.9 13.3 14.9
D 22 380.1 2.98 ± 5 1.1 2.2 15.4 17.3
D 25 490.9 3.85 ± 5 1.3 2.5 17.5 19.7
D 29 662.5 5.18 ± 4 1.5 2.9 20.3 22.8
D 32 804.2 6.31 ± 4 1.6 3.2 22.4 25.1
D 36 1018.0 7.99 ± 4 1.8 3.6 25.2 28.3
 
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