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3/340

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France AFNOR NF 3/340 Welding and thermal spraying. Filer products for weld-surfacing and/or coating. Classification. Codification ot the chemical composition and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 3/340 / 3/340
Category Grade Standard Region/Area Standard Content
Metals 3/340 NF A81-381 France Welding and thermal spraying. Filer products for weld-surfacing and/or coating. Classification. Codification ot the chemical composition

Chemical composition(mass fraction)(wt.%) of the 3/340

Element Min Max Similar
Ni 7.0000 10.0000 -
Mn - 10.0000 -
Fe - - -
Cr 17.0000 21.0000 -
C - 0.2000 -

Mechanical Properties of steel grade 3/340

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)
741 (≥) 716 (≥) 41 14 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade 3/340

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
41 - -     0.33 -  
754 141 - 14.3 412   -  
576 - 41 21.2   134 241

Heat Treatment of steel grade 3/340

Heat treated : 1779°C - 1128°C

Technological Curves of steel grade 3/340

Cross Reference Table (Equivalent Grade) of 3/340

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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