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

SA-723 Grade 3 Class 2

America ASME SA-723Grade3Class2 压力部件用高强度合金钢锻件 and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals SA-723 Grade 3 Class 2 ASME SA-723/SA-723M America 压力部件用高强度合金钢锻件

Chemical composition(mass fraction)(wt.%) of the SA-723 Grade 3 Class 2

Element Min Max Similar
V - 0.2000 -
Si - 0.3500 -
S - 0.0150 -
P - 0.0150 -
Ni 3.3000 4.5000 -
Mo 0.4000 0.8000 -
Mn - 0.9000 -
Cr 0.8000 2.0000 -
C - 0.4000 -

Mechanical Properties of steel grade SA-723 Grade 3 Class 2

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)
426 (≥) 815 (≥) 23 33 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 344

Physical Properties of steel grade SA-723 Grade 3 Class 2

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
34 - -     0.42 -  
342 154 - 12.3 314   -  
632 - 33 21.2   223 233

Heat Treatment of steel grade SA-723 Grade 3 Class 2

Heat treated : 1841°C - 1451°C

Technological Curves of steel grade SA-723 Grade 3 Class 2

Cross Reference Table (Equivalent Grade) of SA-723 Grade 3 Class 2

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-723 Grade 3 Class 2?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top