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China 首钢Q/SG S275J2 欧标非合金结构钢钢板 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: S275J2 / S275J2
Category Grade Standard Region/Area Standard Content
Metals S275J2 Q/SGZGS 318 China 欧标非合金结构钢钢板

Chemical composition(mass fraction)(wt.%) of the S275J2

Element Min Max Similar
C - 0.2100 -
Mn - 1.6000 -
P - 0.0350 -
S - 0.0350 -
Cu - 0.6000 -
C - 0.1800 -
Mn - 1.5000 -
P - 0.0250 -
S - 0.0250 -
Cu - 0.5500 -
C - 0.2100 -
Mn - 1.6000 -
P - 0.0350 -
S - 0.0350 -
Cu - 0.6000 -
C - 0.1800 -
Mn - 1.5000 -
P - 0.0250 -
S - 0.0250 -
Cu - 0.5500 -

Mechanical Properties of steel grade S275J2

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)
622 (≥) 914 (≥) 14 32 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade S275J2

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 - -     0.11 -  
323 754 - 44.3 412   -  
385 - 22 13.2   321 211

Heat Treatment of steel grade S275J2

Heat treated : 1538°C - 1785°C

Technological Curves of steel grade S275J2

Cross Reference Table (Equivalent Grade) of S275J2

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