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China 首钢Q/SG S325G 冷轧碳素结构钢板及钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: S325G / S325G
Category Grade Standard Region/Area Standard Content
Metals S325G Q/SGZGS 325 China 冷轧碳素结构钢板及钢带

Chemical composition(mass fraction)(wt.%) of the S325G

Element Min Max Similar
C - 0.2000 -
Mn - 1.6000 -
P - 0.0300 -
S - 0.0250 -
Alt 0.0150 - -

Mechanical Properties of steel grade S325G

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)
428 (≥) 191 (≥) 41 12 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical Properties of steel grade S325G

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
21 - -     0.22 -  
798 682 - 22.3 142   -  
984 - 44 33.2   341 411

Heat Treatment of steel grade S325G

Heat treated : 1888°C - 1312°C

Technological Curves of steel grade S325G

Cross Reference Table (Equivalent Grade) of S325G

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