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S31020

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20Cr25Ni20 45Cr14Ni14W2Mo
#S31020

Description

China GBT S31020 Stainless steel bars and S31020 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: S31020
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy S31020 GBT China Stainless steel bars
53Cr21Mn9Ni4N
S35650
26Cr18Mn12Si2N
S35750
22Cr20Mn10Ni2Si2N
S35850
22Cr21Ni12N
16Cr23Ni13
S30920
20Cr25Ni20

Chemical composition(mass fraction)(wt.%) of the S31020

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％)
0.25 1.5 2.0 0.04 0.03 24.0-26.0 19.0-22.0

Mechanical Properties of steel grade S31020

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)
483 (≥) 192 (≥) 41 32 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade S31020

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
11 - -     0.24 -  
161 896 - 41.3 111   -  
412 - 13 41.2   131 321

Heat Treatment of steel grade S31020

Heat treated : 1856°C - 1434°C

Technological Curves of steel grade S31020

Cross Reference Table (Equivalent Grade) of S31020

Grade Standard Country Application
S31020 GBT China Stainless steel bars
20Cr25Ni20 45Cr14Ni14W2Mo
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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