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X70Cr21Mn6Ni2N

Favorite Datasheet

India IS X70Cr21Mn6Ni2N Steel for valves for internal combustion engines and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X70Cr21Mn6Ni2N / X70Cr21Mn6Ni2N
Category Grade Standard Region/Area Standard Content
Metals X70Cr21Mn6Ni2N IS 7494 India Steel for valves for internal combustion engines

Chemical composition(mass fraction)(wt.%) of the X70Cr21Mn6Ni2N

Element Min Max Similar
Si 0.4500 0.8500 -
S - 0.0350 -
P - 0.0450 -
Ni 1.4000 1.9000 -
Mn 5.5000 7.0000 -
Cr 20.0000 22.0000 -
C 0.6500 0.7500 -

Mechanical Properties of steel grade X70Cr21Mn6Ni2N

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)
748 (≥) 255 (≥) 31 31 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical Properties of steel grade X70Cr21Mn6Ni2N

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
42 - -     0.42 -  
362 274 - 21.3 444   -  
555 - 44 34.2   442 241

Heat Treatment of steel grade X70Cr21Mn6Ni2N

Heat treated : 1347°C - 1943°C

Technological Curves of steel grade X70Cr21Mn6Ni2N

Cross Reference Table (Equivalent Grade) of X70Cr21Mn6Ni2N

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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Jiangyou Longhai Special Steel Co.,Ltd.

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