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

SA-249 S30908

Description

USA AMS SA-249/SA-249M, SA-249 S30908 Specialsteel Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SA-249 S30908
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SA-249 S30908 Austenite AMS USA Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Chemical composition(mass fraction)(wt.%) of the SA-249 S30908

C Si Mn P S Cr Ni
≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.03 22.0 -24.0 12.0 -15.0

Mechanical Properties of steel grade SA-249 S30908

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)
462 (≥) 952 (≥) 22 41 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical Properties of steel grade SA-249 S30908

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 - -     0.32 -  
245 958 - 41.3 333   -  
372 - 24 41.2   133 444

Heat Treatment of steel grade SA-249 S30908

Heat treated : 1635°C - 1593°C

Technological Curves of steel grade SA-249 S30908

Cross Reference Table (Equivalent Grade) of SA-249 S30908

Relevant standard of SA-249 S30908

SA-249/SA-249M Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes SA-249-SA-249M.pdf

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-249 S30908?
  • List your company on S&G now? Join
  • Non-paying users only
Top