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S 690 G 2 QL

EU EN S690G2QL 高屈服强度结构钢制板材和宽扁钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: S690G2QL / S 690 G 2 QL
Category Grade Standard Region/Area Standard Content
Metals S 690 G 2 QL -- EU 高屈服强度结构钢制板材和宽扁钢

Chemical composition(mass fraction)(wt.%) of the S 690 G 2 QL

Element Min Max Similar
V 0.0300 0.0800 -
Ti - 0.0500 -
Si 0.2000 0.3500 -
S - 0.0250 -
P - 0.0250 -
Mo 0.1500 0.2500 -
Mn 0.7000 1.0000 -
Cr 0.4000 0.6500 -
C 0.1200 0.2100 -
B 0.0005 - -

Mechanical Properties of steel grade S 690 G 2 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)
599 (≥) 547 (≥) 31 12 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 411

Physical Properties of steel grade S 690 G 2 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
32 - -     0.31 -  
267 182 - 24.3 113   -  
865 - 34 32.2   343 443

Heat Treatment of steel grade S 690 G 2 QL

Heat treated : 1233°C - 1985°C

Technological Curves of steel grade S 690 G 2 QL

Cross Reference Table (Equivalent Grade) of S 690 G 2 QL

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