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5Cr21Mn9Ni4N

Favorite Datasheet
4Cr14Ni14W2Mo 2Cr21Ni12N
#5Cr21Mn9Ni4N

Description

China GB GB/T 1221 (1992) , GB/T 12773 (1991) , 5Cr21Mn9Ni4N Specialsteel Heat-resisting steel bars and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 5Cr21Mn9Ni4N
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel 5Cr21Mn9Ni4N Austenite GB China Heat-resisting steel bars

Chemical composition(mass fraction)(wt.%) of the 5Cr21Mn9Ni4N

C Si Mn P S Ni Cr N
0.48 -0.58 ≤0.35 8.00 -10.00 ≤0.04 ≤0.03 3.25 -4.50 20.00 -22.00 0.35 -0.50

Mechanical Properties of steel grade 5Cr21Mn9Ni4N

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)
185 (≥) 334 (≥) 12 31 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade 5Cr21Mn9Ni4N

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
22 - -     0.14 -  
832 565 - 44.3 421   -  
618 - 33 33.2   231 141

Heat Treatment of steel grade 5Cr21Mn9Ni4N

Heat treated : 1362°C - 1568°C

Technological Curves of steel grade 5Cr21Mn9Ni4N

Relevant standard of 5Cr21Mn9Ni4N

GB/T 1221 (1992) Heat-resisting steel bars GB-T-1221--(1992)-.pdf
GB/T 12773 (1991) Valve steel bars for internal combustion engines - Technical requirements GB-T-12773--(1991)-.pdf
4Cr14Ni14W2Mo 2Cr21Ni12N
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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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