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ERCuNi

Favorite Datasheet

America ASME ERCuNi Specification for copper and copper-alloy bare welding rods and electrodes and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: ERCuNi / ERCuNi
Category Grade Standard Region/Area Standard Content
Metals ERCuNi ASME SFA-5.7/SFA-5.7M America Specification for copper and copper-alloy bare welding rods and electrodes

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

Element Min Max Similar
Mn - 1.0000 -
P - 0.0200 -
S - 0.0100 -
Si - 0.2500 -
Ni 29.0000 32.0000 -
Cu - - -
Ti 0.2000 0.5000 -
Fe 0.4000 0.7500 -
Pb - 0.0200 -
Others total - 0.5000 -

Mechanical Properties of steel grade ERCuNi

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)
287 (≥) 994 (≥) 23 23 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

Physical Properties of steel grade ERCuNi

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 - -     0.41 -  
199 547 - 31.3 124   -  
641 - 44 11.2   441 424

Heat Treatment of steel grade ERCuNi

Heat treated : 1843°C - 1456°C

Technological Curves of steel grade ERCuNi

Cross Reference Table (Equivalent Grade) of ERCuNi

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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