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SUS 321

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SUS 321 SUS 321
#SUS-321

Description

Japan JIS G 4311 (2011), SUS 321 Specialsteel Heat-resisting steel bars and wire rods and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SUS 321
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SUS 321 Austenite JIS Japan Heat-resisting steel bars and wire rods

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

C Si Mn P S Cr Ni Mo N Ti
≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.03 17.00 -19.00 9.00 -13.00 ≤ ≥ ≤ ≥ 5×C％ - ≥

Mechanical Properties of steel grade SUS 321

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)
266 (≥) 958 (≥) 24 22 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical Properties of steel grade SUS 321

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 - -     0.44 -  
681 272 - 42.3 142   -  
261 - 34 21.2   424 334

Heat Treatment of steel grade SUS 321

Heat treated : 1927°C - 1955°C

Technological Curves of steel grade SUS 321

Relevant standard of SUS 321

G 4311 (2011) Heat-resisting steel bars and wire rods G-4311-(2011).pdf
SUS 321 SUS 321
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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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