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ECuNi

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America ASME ECuNi Specification for copper and copper-alloy electrodes for shielded metal arc welding and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: ECuNi / ECuNi
Category Grade Standard Region/Area Standard Content
Metals ECuNi ASME SFA-5.6/SFA-5.6M America Specification for copper and copper-alloy electrodes for shielded metal arc welding

Chemical composition(mass fraction)(wt.%) of the ECuNi

Element Min Max Similar
Mn 1.0000 2.5000 -
P - 0.0200 -
S - 0.0150 -
Si - 0.5000 -
Ni 29.0000 33.0000 -
Cu - - -
Ti - 0.5000 -
Fe 0.4000 0.7500 -
Pb - 0.0200 -
Others total - 0.5000 -
Mn 1.0000 2.5000 -
P - 0.0200 -
S - 0.0150 -
Si - 0.5000 -
Ni 29.0000 33.0000 -
Cu - - -
Ti - 0.5000 -
Fe 0.4000 0.7500 -
Pb - 0.0200 -
Others total - 0.5000 -

Mechanical Properties of steel grade ECuNi

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)
844 (≥) 827 (≥) 33 11 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade ECuNi

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 - -     0.42 -  
849 954 - 24.3 241   -  
481 - 34 33.2   311 141

Heat Treatment of steel grade ECuNi

Heat treated : 1645°C - 1828°C

Technological Curves of steel grade ECuNi

Cross Reference Table (Equivalent Grade) of ECuNi

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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