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STM-R 690

Japan JIS STM-R690 钻探用无缝钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: STM-R690 / STM-R 690
Category Grade Standard Region/Area Standard Content
Metals STM-R 690 JIS G3465 Japan 钻探用无缝钢管

Chemical composition(mass fraction)(wt.%) of the STM-R 690

Element Min Max Similar
S - 0.0400 -
P - 0.0400 -

Mechanical Properties of steel grade STM-R 690

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)
822 (≥) 126 (≥) 14 41 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical Properties of steel grade STM-R 690

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
41 - -     0.41 -  
247 119 - 21.3 413   -  
883 - 13 42.2   231 412

Heat Treatment of steel grade STM-R 690

Heat treated : 1353°C - 1373°C

Technological Curves of steel grade STM-R 690

Cross Reference Table (Equivalent Grade) of STM-R 690

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