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012Cr28Ni4Mo2Nb

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China GB 012Cr28Ni4Mo2Nb 热交换器和冷凝器用铁素体不锈钢焊接钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 012Cr28Ni4Mo2Nb / 012Cr28Ni4Mo2Nb
Category Grade Standard Region/Area Standard Content
Metals 012Cr28Ni4Mo2Nb GB/T 30066 China 热交换器和冷凝器用铁素体不锈钢焊接钢管

Chemical composition(mass fraction)(wt.%) of the 012Cr28Ni4Mo2Nb

Element Min Max Similar
Nb 0.1500 0.5000 -
N - 0.0200 -
Mo 1.8000 2.5000 -
Cr 28.0000 29.0000 -
Ni 3.0000 4.0000 -
Si - 0.5000 -
S - 0.0050 -
P - 0.0200 -
Mn - 0.5000 -
C - 0.0150 -

Mechanical Properties of steel grade 012Cr28Ni4Mo2Nb

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)
866 (≥) 588 (≥) 12 32 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade 012Cr28Ni4Mo2Nb

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
44 - -     0.21 -  
481 576 - 22.3 432   -  
216 - 42 31.2   441 232

Heat Treatment of steel grade 012Cr28Ni4Mo2Nb

Heat treated : 1598°C - 1577°C

Technological Curves of steel grade 012Cr28Ni4Mo2Nb

Cross Reference Table (Equivalent Grade) of 012Cr28Ni4Mo2Nb

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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