Copper alloys Manual electrode ECuNi Welding accessories
Application
Mainly used for welding 70-30 copper-nickel alloy or 70-30 copper-nickel alloy /645-Ⅲ steel composite metal and 70-30 copper-nickel alloy as cladding, commonly used in ocean engineering structures, such as desalination device, seawater treatment system, evaporator, condenser, etc.
Also used for 645-Ⅲ steel as the base lining structure of composite metal; It can also be used in 90/10 copper-nickel alloys.
CHEMICAL COMPONET:
| ALLOY(wt%) | C | Mn | Si | Ni | Fe | Ti | Cu | P | S | |
| GB/T RULES | - | 2.50 | 0.50 | 29.0-33.0 | 2.50 | 0.50 | Margin | 0.02 | 0.015 | |
| AWS RULES | - | 1.0-2.5 | 0.50 | 29.0-33.0 | 0.40-0.75 | 0.50 | Margin | 0.02 | 0.015 | |
| EXAMPLE VALUE | 0.01 | 1.45 | 0.3 | 30.4 | 0.65 | 0.1 | 67 | 0.090 | 0.004 | |
MECHANICAL PROPERTY:
| PROPERTY | YIELD STRENGTH(MPa) | EXTENSION STRENGTH(MPa) | IMAPACT VALUE J/℃ | ELONGATION(%) | ||||
| GB/T RULES | - | 350 | - | 20 | ||||
| AWS RULES | - | 350 | - | 20 | ||||
| EXAMPLE VALUE | 316 | 435 | - | 36.5 | ||||
RECOMMENDED WELDING PARAMETERS:
| DIAMETERS SPECIFICATIONS(mm) | 2.6*300 | 3.2*350 | 4.0*350 | ||||||||
| ELECTRICITY (Amp) |
H/W | 80-120 | 100-150 | 140-180 | |||||||
| O/W | 70-110 | 90-135 | - | ||||||||
Peculiarity
The electrode is Cu70-Ni30 alloy as the welding core, the coating for low hydrogen series of copper-nickel electrode.
Low content of residual elements (S, P, Pb, Sn and Zn, etc.), good cracking resistance
The content of Mn and Ti is increased appropriately, and the thermal cracks and pores are limited.
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Good crack resistance
Limited suppression of thermal cracks and pores
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Inner Mongolia Xinao Energy Co., LTD. 3*3000m³ low temperature spherical tank
Shandong Zibo Haiyi 8 sets 3000m³ propylene spherical tank
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CHEMICAL COMPONET:
| ALLOY(wt%) | C | Mn | Si | Ni | Fe | Ti | Cu | P | S | |
| GB/T RULES | - | 2.50 | 0.50 | 29.0-33.0 | 2.50 | 0.50 | Margin | 0.02 | 0.015 | |
| AWS RULES | - | 1.0-2.5 | 0.50 | 29.0-33.0 | 0.40-0.75 | 0.50 | Margin | 0.02 | 0.015 | |
| EXAMPLE VALUE | 0.01 | 1.45 | 0.3 | 30.4 | 0.65 | 0.1 | 67 | 0.090 | 0.004 | |
MECHANICAL PROPERTY:
| PROPERTY | YIELD STRENGTH(MPa) | EXTENSION STRENGTH(MPa) | IMAPACT VALUE J/℃ | ELONGATION(%) | ||||
| GB/T RULES | - | 350 | - | 20 | ||||
| AWS RULES | - | 350 | - | 20 | ||||
| EXAMPLE VALUE | 316 | 435 | - | 36.5 | ||||
RECOMMENDED WELDING PARAMETERS:
| DIAMETERS SPECIFICATIONS(mm) | 2.6*300 | 3.2*350 | 4.0*350 | ||||||||
| ELECTRICITY (Amp) |
H/W | 80-120 | 100-150 | 140-180 | |||||||
| O/W | 70-110 | 90-135 | - | ||||||||
