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SA-249 TP309HCb

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SA-240 309HCb SA-312 TP309HCb
#309HCb # #S30941

Description

USA AMS SA-249/SA-249M , SA-249 TP309HCb 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 TP309HCb
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SA-249 TP309HCb Austenite AMS USA Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Chemical composition(mass fraction)(wt.%) of the SA-249 TP309HCb

C Si Mn P S Cr Ni Nb
0.04 -0.10 ≤0.75 ≤2.00 ≤0.045 ≤0.03 22.0 -24.0 12.0 -16.0 ≤1.100

Mechanical Properties of steel grade SA-249 TP309HCb

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)
959 (≥) 487 (≥) 31 21 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

Physical Properties of steel grade SA-249 TP309HCb

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
31 - -     0.11 -  
193 488 - 33.3 311   -  
375 - 23 24.2   324 344

Heat Treatment of steel grade SA-249 TP309HCb

Heat treated : 1357°C - 1763°C

Technological Curves of steel grade SA-249 TP309HCb

Cross Reference Table (Equivalent Grade) of SA-249 TP309HCb

Grade Standard Country Application
309HCb
309HCb
TP309HCb
TP309HCb
TP309HCb
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037

Relevant standard of SA-249 TP309HCb

SA-249/SA-249M Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes SA-249-SA-249M-.pdf
SA-240 309HCb SA-312 TP309HCb
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Jiangyou Longhai Special Steel Co.,Ltd.

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...

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