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A 249 S30451

Description

USA AMS A 249/A 249M (2010) , A 249 S30451 Specialsteel Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 249 S30451
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 249 S30451 Austenite AMS USA Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Chemical composition(mass fraction)(wt.%) of the A 249 S30451

C Si Mn P S Cr Ni N
≤0.08 ≤0.75 ≤2.00 ≤0.045 ≤0.03 18.0 -20.0 8.00 -10.5 0.10 -0.16

Mechanical Properties of steel grade A 249 S30451

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)
369 (≥) 457 (≥) 24 21 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 411

Physical Properties of steel grade A 249 S30451

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
24 - -     0.12 -  
378 432 - 41.3 314   -  
612 - 12 32.2   224 423

Heat Treatment of steel grade A 249 S30451

Heat treated : 1934°C - 1722°C

Technological Curves of steel grade A 249 S30451

Cross Reference Table (Equivalent Grade) of A 249 S30451

Relevant standard of A 249 S30451

A 249/A 249M (2010) Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes A-249-A-249M--(2010)-.pdf

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