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SA-691 1CR

America ASME SA-6911CR 高温高压用碳素钢和合金钢电熔化焊钢公称管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SA-6911CR / SA-691 1CR
Category Grade Standard Region/Area Standard Content
Metals SA-691 1CR ASME SA-691 America 高温高压用碳素钢和合金钢电熔化焊钢公称管

Chemical composition(mass fraction)(wt.%) of the SA-691 1CR

Element Min Max Similar
Si 0.1300 0.4500 -
S - 0.0350 -
P - 0.0350 -
Mo 0.4000 0.6500 -
Mn 0.3500 0.7300 -
Cr 0.7400 1.2100 -
C 0.0400 0.1700 -

Mechanical Properties of steel grade SA-691 1CR

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)
189 (≥) 349 (≥) 32 42 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

Physical Properties of steel grade SA-691 1CR

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
14 - -     0.14 -  
822 327 - 21.3 212   -  
369 - 33 23.2   114 422

Heat Treatment of steel grade SA-691 1CR

Heat treated : 1298°C - 1818°C

Technological Curves of steel grade SA-691 1CR

Cross Reference Table (Equivalent Grade) of SA-691 1CR

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