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SA-312 TP309HCb

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SA-249 TP309HCb 310
#309HCb # #S30941

Description

USA AMS SA-312/SA-312M, SA-312 TP309HCb Specialsteel Specification for Seamless and Welded Austenitic Stainless Steel Pipes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SA-312 TP309HCb
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SA-312 TP309HCb Austenite AMS USA Specification for Seamless and Welded Austenitic Stainless Steel Pipes

Chemical composition(mass fraction)(wt.%) of the SA-312 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-312 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)
966 (≥) 483 (≥) 23 12 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical Properties of steel grade SA-312 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
33 - -     0.22 -  
362 443 - 11.3 114   -  
699 - 14 44.2   334 143

Heat Treatment of steel grade SA-312 TP309HCb

Heat treated : 1612°C - 1296°C

Technological Curves of steel grade SA-312 TP309HCb

Cross Reference Table (Equivalent Grade) of SA-312 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-312 TP309HCb

SA-312/SA-312M Specification for Seamless and Welded Austenitic Stainless Steel Pipes SA-312-SA-312M.pdf
SA-249 TP309HCb 310
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