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S 250 GD + Z

EU EN S250GD+Z 连续热-镀锌低碳钢带和钢板-运输技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: S250GD+Z / S 250 GD + Z
Category Grade Standard Region/Area Standard Content
Metals S 250 GD + Z EN 10147 EU 连续热-镀锌低碳钢带和钢板-运输技术条件

Chemical composition(mass fraction)(wt.%) of the S 250 GD + Z

Element Min Max Similar
Si - 0.6000 -
S - 0.0450 -
P - 0.1000 -
Mn - 1.7000 -
C - 0.2000 -

Mechanical Properties of steel grade S 250 GD + Z

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)
249 (≥) 558 (≥) 32 33 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 312

Physical Properties of steel grade S 250 GD + Z

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
32 - -     0.22 -  
669 793 - 41.3 313   -  
162 - 34 34.2   313 224

Heat Treatment of steel grade S 250 GD + Z

Heat treated : 1279°C - 1974°C

Technological Curves of steel grade S 250 GD + Z

Cross Reference Table (Equivalent Grade) of S 250 GD + Z

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