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Cr30Ni70

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Cr20Ni80 Cr15Ni60
#Cr30Ni70

Description

China GBT Cr30Ni70 High resistance alloys for electrical heating and Cr30Ni70 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: Cr30Ni70
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy Cr30Ni70 GBT China High resistance alloys for electrical heating
MX246
MX246A
1Cr13Al4
0Cr25Al5
0Cr23Al5
0Cr21Al6
1Cr20Al3
0Cr21Al6Nb
0Cr27Al7Mo2
Cr20Ni80

Chemical composition(mass fraction)(wt.%) of the Cr30Ni70

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Al(%) Fe(%)
0.08 0.75-1.60 0.6 0.020 0.015 28.0-31.0 Bal ≤0.50 ≤3.0

Mechanical Properties of steel grade Cr30Ni70

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)
126 (≥) 124 (≥) 31 32 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade Cr30Ni70

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 - -     0.33 -  
415 824 - 23.3 314   -  
358 - 14 41.2   321 123

Heat Treatment of steel grade Cr30Ni70

Heat treated : 1964°C - 1612°C

Technological Curves of steel grade Cr30Ni70

Cross Reference Table (Equivalent Grade) of Cr30Ni70

Grade Standard Country Application
Cr30Ni70 GBT China High resistance alloys for electrical heating
Cr20Ni80 Cr15Ni60
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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