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A 249 S30409

Favorite Datasheet
A 240 S30409 A 358 S30409
#304H #S30409

Description

USA SAE A 249/A 249M (2010) , A 249 S30409 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 S30409
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 249 S30409 Austenite SAE USA Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Chemical composition(mass fraction)(wt.%) of the A 249 S30409

C Si Mn P S Cr Ni
0.04 -0.10 ≤1.00 ≤2.00 ≤0.04 ≤0.03 18.0 -20.0 8.00 -11.0

Mechanical Properties of steel grade A 249 S30409

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)
199 (≥) 121 (≥) 34 32 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade A 249 S30409

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
43 - -     0.22 -  
179 899 - 24.3 332   -  
474 - 21 23.2   212 444

Heat Treatment of steel grade A 249 S30409

Heat treated : 1354°C - 1476°C

Technological Curves of steel grade A 249 S30409

Cross Reference Table (Equivalent Grade) of A 249 S30409

Grade Standard Country Application
304H
304HN
304HN
304H
TP304H
TP304H
TP304H
SUS304HFB
SUS304HTP
SUS304HTB
SUS304HTB
SUS304HTP
SUS304HFB
304HN(S30452)
SUS304HFB
SUS304HFB
SUS304HTP
SUS304HTP
S30409
S30409

Relevant standard of A 249 S30409

A 249/A 249M (2010) Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes A-249-A-249M--(2010)-.pdf
A 240 S30409 A 358 S30409
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Jiangyou Longhai Special Steel Co.,Ltd.

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