CuNi30Fe1Mn Copper Nickel
CuNi30Fe1Mn Copper Nickel offers excellent corrosion resistance, especially in marine salt water environments. The main, wrought copper-nickel alloys chosen for sea water service contain 10 or 30 percent nickel.
Volume: 0
CuNi30Fe1Mn Copper Nickel offers excellent corrosion resistance, especially in marine salt water environments. The main, wrought copper-nickel alloys chosen for sea water service contain 10 or 30 percent nickel.
Volume: 0
Where seawater tries to devour metal, CuNi30Fe1Mn bites back. With 30% nickel fortified by iron-manganese armor, this alloy doesn’t just resist corrosion – it hunts it down. Trusted in nuclear carrier condensers and subsea pipelines where failure isn’t an option.
TECH SPECS THAT HUMILIATE CORROSION
| Property | CuNi30Fe1Mn (C71500) | 316L Stainless Steel (Comparison) |
|---|---|---|
| Composition | 65-70% Cu, 29-33% Ni, 1% Fe, 1% Mn | 16% Cr, 10% Ni, 2% Mo |
| Seawater Corrosion Rate | 0.015 mm/year | 0.1-0.3 mm/year |
| Tensile Strength | 380-550 MPa | 485-620 MPa |
| Thermal Conductivity | 29 W/m·K | 15 W/m·K |
| Max Service Temp | 450°C | 300°C |
| Biofouling Resistance | 90% reduction vs. steel | 30% reduction |
5 REASONS NAVIES & OFFSHORE RIGS DEMAND C71500
Corrosion Annihilator
“Survives 40+ years in polluted harbors and acidic brine. Outlives titanium at 1/3 the cost in desalination plants.”
Cavitation Crusher
“Eats propeller turbulence for breakfast. 10X longer life than bronze in high-velocity seawater pumps.”
Chloride Assassin
“Laughs at chlorides that make stainless steel weep. Perfect for chemical tanker cargo systems.”
Fabricator’s Dream
“Welds like butter without pre-heat. Machinability rating: 20% faster than monel.”
Bio-Shield Built-In
“Copper ions nuke bacteria/algae on contact. Slash hull cleaning costs by 70% on LNG tankers.”
HOW WE ENGINEER SEA IMMORTALITY
Step 1: Vacuum Arc Remelting
"Raw metals fused in zero-oxygen chambers – impurity levels crushed to <50 ppm."
Step 2: Hot Extrusion Fury
"Pressed at 980°C into seamless tubes with grain structures tighter than a bank vault."
Step 3: Cold Pilger Rolling
"Wall thickness precision: ±0.03mm (critical for 10.000 PSI deep-sea systems)."
Step 4: Solution Annealing
"Quenched in inert gas to lock in corrosion-fighting microstructure – like giving the alloy superpowers."
WHERE IT DOMINATES THE DEPTHS
| Industry | Critical Applications | Why CuNi30 Reigns |
|---|---|---|
| Naval Defense | Nuclear sub heat exchangers, carrier condensers | Zero corrosion in combat zones |
| Offshore Wind | Subsea transformer housings, cable joints | 50-year design life with no maintenance |
| Desalination | High-pressure RO membranes, brine heaters | Handles 80°C brine without pitting |
| Oil & Gas | Seawater injection pipes, LNG heat exchangers | Immune to sulfide stress cracking |
| Chemical Tankers | Cargo tank heating coils | Resists sulfuric acid condensate |
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