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20MnCr4-2

Favorite Datasheet

Japan JIS 20MnCr4-2 高碳鉻軸承鋼鋼料 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 20MnCr4-2 / 20MnCr4-2
Category Grade Standard Region/Area Standard Content
Metals 20MnCr4-2 JIS G4805 Japan 高碳鉻軸承鋼鋼料

Chemical composition(mass fraction)(wt.%) of the 20MnCr4-2

Element Min Max Similar

Mechanical Properties of steel grade 20MnCr4-2

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)
758 (≥) 836 (≥) 41 41 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

Physical Properties of steel grade 20MnCr4-2

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 -  
228 185 - 22.3 441   -  
597 - 23 44.2   211 143

Heat Treatment of steel grade 20MnCr4-2

Heat treated : 1645°C - 1385°C

Technological Curves of steel grade 20MnCr4-2

Cross Reference Table (Equivalent Grade) of 20MnCr4-2

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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