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Germany DIN S690Q 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: S690Q / S 690 Q
Category Grade Standard Region/Area Standard Content
Metals S 690 Q DIN EN 10137-2 Germany 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 690 Q

Element Min Max Similar
N - 0.0150 -
Cu - 0.5000 -
B - 0.0050 -
Ti - 0.0500 -
Nb - 0.0600 -
V - 0.1200 -
Mo - 0.7000 -
Ni - 2.0000 -
Cr - 1.5000 -
P - 0.0250 -
S - 0.0150 -
Mn - 1.7000 -
Si - 0.8000 -
C - 0.2000 -
Zr - 0.1700 -
V - 0.1400 -
Ti - 0.0700 -
Si - 0.8600 -
S - 0.0170 -
P - 0.0300 -
Ni - 2.1000 -
Nb - 0.0700 -
N - 0.0160 -
Mo - 0.7400 -
Mn - 1.8000 -
Cu - 0.5500 -
Cr - 1.6000 -
CEV - 0.6500 -
C - 0.2200 -
B - 0.0060 -
Al 0.0130 - -
V - 0.1200 -
Ti - 0.0500 -
Si - 0.8000 -
S - 0.0150 -
P - 0.0250 -
Ni - 2.0000 -
Nb - 0.0600 -
Mo - 0.7000 -
Mn - 1.7000 -
Cu - 0.5000 -
Cr - 1.5000 -
C - 0.2000 -
B - 0.0050 -
Al 0.0150 - -

Mechanical Properties of steel grade S 690 Q

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)
952 (≥) 534 (≥) 31 32 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade S 690 Q

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
31 - -     0.23 -  
489 353 - 21.3 341   -  
783 - 31 14.2   321 234

Heat Treatment of steel grade S 690 Q

Heat treated : 1457°C - 1592°C

Technological Curves of steel grade S 690 Q

Cross Reference Table (Equivalent Grade) of S 690 Q

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