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309HCb

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SA-814 S30940 A 213 TP309HCb
#309SCb

Description

USA UNS SAE J 405 (1998) , 309HCb Specialsteel Chemical compositions of SAE wrought stainless steels and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 309HCb
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel 309HCb Austenite UNS USA Chemical compositions of SAE wrought stainless steels

Chemical composition(mass fraction)(wt.%) of the 309HCb

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 309HCb

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)
451 (≥) 684 (≥) 24 11 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 132

Physical Properties of steel grade 309HCb

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
12 - -     0.13 -  
594 851 - 22.3 231   -  
746 - 32 13.2   144 324

Heat Treatment of steel grade 309HCb

Heat treated : 1234°C - 1268°C

Technological Curves of steel grade 309HCb

Relevant standard of 309HCb

SAE J 405 (1998) Chemical compositions of SAE wrought stainless steels SAE-J-405--(1998)-.pdf
SA-814 S30940 A 213 TP309HCb
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