Available 24/7 at contact@steel-grades.com

SA-691 9CR

America ASME SA-6919CR 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-6919CR / SA-691 9CR
Category Grade Standard Region/Area Standard Content
Metals SA-691 9CR 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 9CR

Element Min Max Similar

Mechanical Properties of steel grade SA-691 9CR

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)
618 (≥) 218 (≥) 22 23 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 214

Physical Properties of steel grade SA-691 9CR

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 - -     0.41 -  
973 459 - 23.3 431   -  
681 - 12 43.2   223 333

Heat Treatment of steel grade SA-691 9CR

Heat treated : 1971°C - 1811°C

Technological Curves of steel grade SA-691 9CR

Cross Reference Table (Equivalent Grade) of SA-691 9CR

Available Suppliers

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

Rfq.: sales@longhaisteel.com
  • Do you supply this SA-691 9CR?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top