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France AFNOR NF S235JR 热轧结构钢产品 - 第2部分:非合金结构钢的交货技术条件。 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: S235JR / S235JR
Category Grade Standard Region/Area Standard Content
Metals S235JR NF EN 10025-2 France 热轧结构钢产品 - 第2部分:非合金结构钢的交货技术条件。

Chemical composition(mass fraction)(wt.%) of the S235JR

Element Min Max Similar

Mechanical Properties of steel grade S235JR

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)
655 (≥) 378 (≥) 23 31 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical Properties of steel grade S235JR

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
13 - -     0.21 -  
698 239 - 34.3 441   -  
257 - 34 12.2   423 444

Heat Treatment of steel grade S235JR

Heat treated : 1242°C - 1238°C

Technological Curves of steel grade S235JR

Cross Reference Table (Equivalent Grade) of S235JR

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