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A 249 S30909

Favorite Datasheet
A 240 S30909 A 965 S30909
#309H #S30909

Description

USA SAE A 249/A 249M (2010) , A 249 S30909 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 S30909
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 249 S30909 Austenite SAE USA Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Chemical composition(mass fraction)(wt.%) of the A 249 S30909

C Si Mn P S Cr Ni
≤0.08 ≤0.75 ≤2.00 ≤0.045 ≤0.030 22.0 -24.0 12.0 -15.0

Mechanical Properties of steel grade A 249 S30909

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)
233 (≥) 483 (≥) 42 14 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical Properties of steel grade A 249 S30909

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
21 - -     0.23 -  
248 483 - 13.3 313   -  
812 - 32 32.2   244 121

Heat Treatment of steel grade A 249 S30909

Heat treated : 1734°C - 1811°C

Technological Curves of steel grade A 249 S30909

Cross Reference Table (Equivalent Grade) of A 249 S30909

Grade Standard Country Application
309HD
309HCb
309H
309HCb
TP309H
TP309HCb
TP309H
TP309HCb
TP309H
TP309HCb
S30909
S30909
S30909
S30909
S30909

Relevant standard of A 249 S30909

A 249/A 249M (2010) Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes A-249-A-249M--(2010)-.pdf
A 240 S30909 A 965 S30909
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Jiangyou Longhai Special Steel Co.,Ltd.

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