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321S31

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320S31 325S31
#321S31

Description

UK 321S31 austenitic special steel and 321S31 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: 321S31
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel 321S31 UK austenitic special steel
304S11
304S15
304S31
310S31
316S11
316S13
316S31
316S33
320S31
320S31

Chemical composition(mass fraction)(wt.%) of the 321S31

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Ti(%)
Max 0.08 Max 0.08 Max 2.00 Max 0.045 Max 0.045 Max 0.045 9.00-12.0 5×C-0.80

Mechanical Properties of steel grade 321S31

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)
526 (≥) 764 (≥) 24 23 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade 321S31

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
44 - -     0.22 -  
552 119 - 23.3 314   -  
924 - 32 33.2   112 431

Heat Treatment of steel grade 321S31

Heat treated : 1466°C - 1489°C

Technological Curves of steel grade 321S31

Cross Reference Table (Equivalent Grade) of 321S31

Grade Standard Country Application
321S31 UK austenitic special steel
321S31 UK austenitic special steel
320S31 325S31
Available Suppliers
Jiangyou Longhai Special Steel Co.,Ltd.
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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