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SUS 321HFB

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SUS 321FB SUS 347FB
#SUS-321HFB

Description

Japan JIS G 4319 (1991), SUS 321HFB Specialsteel Stainless steel blooms and billets for forgings and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SUS 321HFB
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SUS 321HFB Austenite JIS Japan Stainless steel blooms and billets for forgings

Chemical composition(mass fraction)(wt.%) of the SUS 321HFB

C Si Mn P S Cr Ni Mo Ti
0.04 -0.10 ≤1.00 ≤2.00 ≤0.045 ≤0.03 17.00 -20.00 9.00 -13.00 ≤ ≥ 4×C％ -0.60

Mechanical Properties of steel grade SUS 321HFB

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)
211 (≥) 836 (≥) 12 41 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical Properties of steel grade SUS 321HFB

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 - -     0.14 -  
962 974 - 12.3 423   -  
436 - 11 41.2   124 314

Heat Treatment of steel grade SUS 321HFB

Heat treated : 1382°C - 1117°C

Technological Curves of steel grade SUS 321HFB

Relevant standard of SUS 321HFB

G 4319 (1991) Stainless steel blooms and billets for forgings G-4319-(1991).pdf
SUS 321FB SUS 347FB
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Jiangyou Longhai Special Steel Co.,Ltd.

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