ERNiCu-7
Product Overview:
Especially suitable for reducing conditions
Good ductility & thermal conductivity
Good for sea water applications
Category:
Key word:
Inconel | Hastelloy
FEEDBACK
Product Details
ERNiCu-7 is a copper-nickel alloy base wire for GMAW and GTAW welding of Monel alloys 400 and 404. Also used for overlaying steel.
| Grade/Element | ERNiCrMo-3 | ERNiCrMo-4 | ERNiCrFe-3 | ERNiCr-3 | ERNiCu-7 | ERCuNi | ERNi-1 | ER385 | ERNiCrMo-6 | ERNiCrMo-10 | ERNiFeCr-1 | ERNiFeCr-2 | ERNiCrFe-7 | ERNiFe55 |
| C | ≤0.02 | ≤0.02 | ≤0.02 | ≤0.5 | ≤0.04 | ≤0.03 | ≤0.05 | ≤0.025 | ≤0.02 | ≤0.015 | ≤0.05 | ≤0.08 | ≤0.04 | ≤0.1 |
| Mn | ≤0.4 | ≤1.0 | 3.0-3.5 | 2.5-3.5 | 2.5-3.5 | 0.5-1.0 | ≤0.9 | 1.0-2.0 | 2.0-4.0 | ≤0.5 | ≤1.0 | ≤0.3 | ≤1 | ≤1.0 |
| P | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 |
| S | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 |
| Si | ≤0.15 | ≤0.08 | ≤0.20 | ≤0.1 | ≤0.15 | ≤0.15 | ≤0.5 | ≤0.35 | ≤0.2 | ≤0.08 | ≤0.5 | ≤0.3 | ≤0.5 | ≤0.15 |
| Cr | 20-23 | 14.5-16 | 16-17 | 19-22 | None | ≤0.1 | None | 20-22 | 14-17 | 20-22.5 | 20-23.5 | 17-21 | 29-31.5 | ≥55 |
| Ni | Remain | Remain | Remain | Remain | 64-69 | 30-32 | Remain | 24-26 | Remain | Remain | 38-46 | 50-55 | Remain | None |
| Cu | None | None | None | None | Remain | Remain | None | 1.2-2.0 | ≤0.3 | None | 1.5-3 | None | None | None |
| Mo | 8.5-10 | 15-17 | None | None | None | None | None | 4.2-5.2 | 7.0-9.0 | 12.5-14.5 | 2.5-3.5 | 2.8-3.3 | None | None |
| Ti | ≤0.4 | None | ≤0.75 | ≤0.7 | 1.5-3.0 | ≤0.5 | 2.0-3.5 | None | None | None | 0.6-1.2 | 0.65-1.15 | ≤1 | None |
| Fe | ≤1.0 | 4.0-7.0 | ≤2.0 | ≤2.0 | ≤1.0 | ≤0.65 | None | None | ≤4.0 | 2-6 | ≥22 | Remain | 7-11 | Remain |
| Nb | 3.15-4.15 | None | 2.0-2.5 | 2.0-3.0 | None | None | None | None | 1.0-2.0 | None | None | 4.5-5.5 | None | None |
| W | None | 3.0-4.5 | None | None | None | None | None | None | 1.0-2.0 | None | None | None | None | None |
| Impurities | ≤0.30 | ≤0.30 | ≤0.30 | ≤0.30 | ≤0.30 | ≤0.30 | ≤0.30 | ≤0.30 | ≤0.30 | ≤0.30 | ≤0.30 | ≤0.30 | ≤0.30 | ≤0.30 |
The above welding materials can produce TIG and MIG wire.
Production Specifications
| TIG | MIG | MIG: 15KG/SPOOL Axis: D300 |
TIG: 5KG/BOX Axis: D300 |
| Φ1.6*1000 | Φ0.8 | ||
| Φ2.0*1000 | Φ1.0 | ||
| Φ2.4*1000 | Φ1.2 | ||
| Φ4.0*1000 | Φ1.6 |
Designations: AWS 040
Specifications: AMS 4730,ASTM B164
Alloy Details
| Density | Melting Point | Coefficient of Expansion | Modulus of Rigidity | Modulus of Elasticity |
| 8.8 g/cm³ | 1350 °C | 13.9 μm/m °C (20 – 100 °C) | 65.3 kN/mm² | 173 kN/mm² |
| 0.318 lb/in³ | 2460 °F | 7.7 x 10-6 in/in °F (70 – 212 °F) | 9471 ksi | 25092 ksi |
Heat treatment of finished parts
| Condition as supplied by AWI | Type | Temperature | Time | Cooling |
| Annealed or Spring Temper | Stress Relieve | 300 – 320 °C (570 – 610 °F) |
0.5 – 1 Hr | Air |
Properties
| Annealed | ||
| Approx. tensile strength | <600 N/mm² | <87 ksi |
| Approx. operating temperature | -200 to +230 °C | -330 to +445 °F |
| Spring Temper | ||
| Approx. tensile strength | 800 – 1100 N/mm² | 116 – 160 ksi |
| Approx. operating temperature | -200 to +230 °C | -330 to +445 °F |
The above information is typical. If you require different please ask.
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Raw Materials
Nickel Plate
Pure Iron
Electrolytic Manganese
Sponge Titanium
Metal Chrome
Production Ability
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