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EU EN S890QL 在淬火和回火或沉淀硬化条件制成的钢板和宽扁钢的高屈服强度结构钢 - 第2部分:淬火和回火钢的交货条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: S890QL / S 890 QL
Category Grade Standard Region/Area Standard Content
Metals S 890 QL EN 10137-2 EU 在淬火和回火或沉淀硬化条件制成的钢板和宽扁钢的高屈服强度结构钢 - 第2部分:淬火和回火钢的交货条件

Chemical composition(mass fraction)(wt.%) of the S 890 QL

Element Min Max Similar
Zr - 0.1700 -
V - 0.1400 -
Ti - 0.0700 -
Si - 0.8600 -
S - 0.0120 -
P - 0.0250 -
Ni - 2.1000 -
Nb - 0.0700 -
N - 0.0160 -
Mo - 0.7400 -
Mn - 1.8000 -
Cu - 0.5500 -
Cr - 1.6000 -
CEV - 0.7200 -
C - 0.2200 -
B - 0.0060 -
Al 0.0130 - -

Mechanical Properties of steel grade S 890 QL

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)
631 (≥) 328 (≥) 23 43 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade S 890 QL

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
23 - -     0.43 -  
969 539 - 12.3 142   -  
474 - 34 43.2   143 213

Heat Treatment of steel grade S 890 QL

Heat treated : 1942°C - 1575°C

Technological Curves of steel grade S 890 QL

Cross Reference Table (Equivalent Grade) of S 890 QL

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