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Global 企业标准 Olin688 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Olin688 / Olin 688
Category Grade Standard Region/Area Standard Content
Metals Olin 688 -- Global

Chemical composition(mass fraction)(wt.%) of the Olin 688

Element Min Max Similar

Mechanical Properties of steel grade Olin 688

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)
388 (≥) 198 (≥) 31 22 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical Properties of steel grade Olin 688

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
42 - -     0.24 -  
471 911 - 41.3 222   -  
528 - 42 23.2   233 331

Heat Treatment of steel grade Olin 688

Heat treated : 1724°C - 1829°C

Technological Curves of steel grade Olin 688

Cross Reference Table (Equivalent Grade) of Olin 688

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