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China 首钢Q/SG S215G 冷轧碳素结构钢板及钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: S215G / S215G
Category Grade Standard Region/Area Standard Content
Metals S215G Q/SGZGS 325 China 冷轧碳素结构钢板及钢带

Chemical composition(mass fraction)(wt.%) of the S215G

Element Min Max Similar
C - 0.1700 -
Mn - 1.0000 -
P - 0.0300 -
S - 0.0250 -
Alt 0.0150 - -

Mechanical Properties of steel grade S215G

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
769 (≥) 557 (≥) 14 23 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade S215G

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
42 - -     0.34 -  
593 644 - 22.3 133   -  
222 - 34 42.2   122 431

Heat Treatment of steel grade S215G

Heat treated : 1834°C - 1839°C

Technological Curves of steel grade S215G

Cross Reference Table (Equivalent Grade) of S215G

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