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22 12

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France AFNOR NF 2212 焊材 - 覆盖电极的用于不锈钢和耐热钢的手工电弧焊 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 2212 / 22 12
Category Grade Standard Region/Area Standard Content
Metals 22 12 NF EN 1600 France 焊材 - 覆盖电极的用于不锈钢和耐热钢的手工电弧焊

Chemical composition(mass fraction)(wt.%) of the 22 12

Element Min Max Similar
Si - 1.2000 -
S - 0.0250 -
P+S - 0.0500 -
P - 0.0300 -
Ni 10.0000 13.0000 -
Mo - 0.7500 -
Mn - 2.5000 -
Fe - - -
Cu - 0.7500 -
Cr 20.0000 23.0000 -
C - 0.1500 -

Mechanical Properties of steel grade 22 12

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)
484 (≥) 438 (≥) 31 23 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical Properties of steel grade 22 12

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
23 - -     0.21 -  
959 977 - 44.3 213   -  
149 - 44 44.2   334 432

Heat Treatment of steel grade 22 12

Heat treated : 1495°C - 1156°C

Technological Curves of steel grade 22 12

Cross Reference Table (Equivalent Grade) of 22 12

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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