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12CrNi3

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China JB 12CrNi3 机床零件热处理技术条件 第1部分：退火、正火、调质 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 12CrNi3 / 12CrNi3
Category Grade Standard Region/Area Standard Content
Metals 12CrNi3 JB/T 8491.1 China 机床零件热处理技术条件 第1部分：退火、正火、调质

Chemical composition(mass fraction)(wt.%) of the 12CrNi3

Element Min Max Similar

Mechanical Properties of steel grade 12CrNi3

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)
469 (≥) 929 (≥) 23 24 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 111

Physical Properties of steel grade 12CrNi3

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 - -     0.44 -  
444 195 - 13.3 341   -  
265 - 32 41.2   414 422

Heat Treatment of steel grade 12CrNi3

Heat treated : 1434°C - 1195°C

Technological Curves of steel grade 12CrNi3

Cross Reference Table (Equivalent Grade) of 12CrNi3

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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