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Copper, Copper Alloy Electrode - - WM - T107
Type of Covering

Equivalent Specification

Welding Position

Type of Current

Low Hydrogen Sodium

AWS ECu / GB ECu

F

 DC+

Chemical Composition of Deposited Metal (%)
Cu Mn Fe Si S P Ni Pb Other Elements
≥95.0 ≤3.00 - ≤0.50 - ≤0.30 - ≤0.02 Fe + AL + Ni + Zn≤0.50

Mechanical properties of Deposited Metal

T.S(MPa)

El(%)L=5d
≥170 ≥20
Applications : Welding of copper structures and surfacing of marine corrosion carbon steel patrs.

 

Copper, Copper Alloy Electrode - - WM - T207
Type of Covering

Equivalent Specification

Welding Position

Type of Current

Low Hydrogen Sodium

GB ECuSi-B / AWS ECuSi

F

 DC+

Chemical Composition of Deposited Metal (%)
Cu Mn Fe Si S P Ni Pb Other Elements
≥92.0 ≤3.00 - 2.50-4.00 - ≤0.30 - ≤0.02 AL + Ni + Zn≤0.50

Mechanical properties of Deposited Metal

T.S(MPa)

El(%)L=5d
≥270 ≥12
Applications : Welding of copper parts, bronze parts and brass parts, inter lining of chemical machinery pipes.

 

Copper, Copper Alloy Electrode - - WM - T227
Type of Covering

Equivalent Specification

Welding Position

Type of Current

Low Hydrogen Sodium

GB ECuSn-B / AWS ECuSn-C

F

 DC+

Chemical Composition of Deposited Metal (%)
Cu Mn Fe Si S P Ni Pb Other Elements
Rem Sn7.0-9.0 - - - ≤0.30 - ≤0.02 Si+Mn+Fe+AL+Ni+Zn≤0.50

Mechanical properties of Deposited Metal

T.S(MPa)

El(%)L=5d
≥270 ≥12
Applications : Welding of similar and dissimiar metals, such as copper, brass and gear bronze, hard-surfacing of axle bush,
propeller vanes of ships, hardfacing or repairing of cast iron.

 

Copper, Copper Alloy Electrode - - WM - T237
Type of Covering

Equivalent Specification

Welding Position

Type of Current

Low Hydrogen Sodium

AWS ECuAL-A2 / GB ECuAL-C

F

 DC+

Chemical Composition of Deposited Metal (%)
Cu Mn Fe Si S P Ni Pb Other Elements
Rem ≤2.00 ≤1.50 ≤1.00 AL6.5-10.0 - ≤0.50 ≤0.02 Zn + Pb ≤0.50

Mechanical properties of Deposited Metal

T.S(MPa)

El(%)L=5d
≥390 ≥15
Applications : Welding of aluminum bronze, copper alloy to steels and repairing of cast iron.

 

Copper, Copper Alloy Electrode - - WM - T302
Type of Covering

Equivalent Specification

Welding Position

Type of Current

Lime Titania

AWS ECuNi / JIS DCuNi-3

F

 AC or DC+

Chemical Composition of Deposited Metal (%)
Cu Mn Fe Si S P Ni Pb Ti Other Elements
Rem ≤2.50 ≤2.50 ≤0.50 ≤0.015 ≤0.020 29.0-33.0 ≤0.02 ≤0.50 ≤0.50

Mechanical properties of Deposited Metal

T.S(MPa)

El(%)L=5d
≥350 ≥20
Applications : Welding of 70％Cu 30%Ni alloy steels and surfacing of carbon steel parts.

 

Copper, Copper Alloy Electrode - - WM - T307
Type of Covering

Equivalent Specification

Welding Position

Type of Current

Low Hydrogen Sodium

AWS ECuNi / JIS DCuNi-B

F

 DC+

Chemical Composition of Deposited Metal (%)
Cu Mn Fe Si S P Ni Pb Ti Other Elements
Rem ≤2.50 ≤2.50 ≤0.50 ≤0.015 ≤0.020 29.0-33.0 ≤0.02 ≤0.50 ≤0.50

Mechanical properties of Deposited Metal

T.S(MPa)

El(%)L=5d
≥350 ≥20
Applications : Welding of 70%Cu 30%Ni alloy steels and surfacing of carbon steel parts.

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