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A 249 S30908

Favorite Datasheet
A 240 S30908 A 276 S30908
#309S #S30908

Description

USA SAE A 249/A 249M (2010) , A 249 S30908 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 S30908
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 249 S30908 Austenite SAE USA Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Chemical composition(mass fraction)(wt.%) of the A 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 A 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)
138 (≥) 245 (≥) 31 24 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 121

Physical Properties of steel grade A 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
32 - -     0.33 -  
547 599 - 12.3 121   -  
815 - 22 32.2   244 441

Heat Treatment of steel grade A 249 S30908

Heat treated : 1927°C - 1756°C

Technological Curves of steel grade A 249 S30908

Cross Reference Table (Equivalent Grade) of A 249 S30908

Grade Standard Country Application
309S
309S
TP309S
TP309S
TP309S
TP309S
MT309S
MT-309S
MT-309S-Cb
309S
AWS ER309Si
SUS309S
SUS309STP
SUS309STB
SUS309STB
SUS309STP
SUS309S
309S24
309S24
309S20

Relevant standard of A 249 S30908

A 249/A 249M (2010) Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes A-249-A-249M--(2010)-.pdf
A 240 S30908 A 276 S30908
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