Alloy 400 | Non-Magnetic Corrosion Fighter
Guangxin PipeTech' s seamless nickel alloy pipe features 70% Ni-Cu composition, resisting hydrofluoric acid, alkalis, and marine atmospheres. It maintains tensile strength (550 MPa) from -200°C to 400°C, making it essential for desalination plant evaporators and offshore systems.
alloy 625 seamless pipe Specification
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Technical Specifications |
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Temp Range |
-252°C to 980°C |
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Creep Strength |
180 MPa @815°C |
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Oxidation Rate |
<0.1mg/cm²/100h |
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Surface Defects |
≤0.05mm depth |
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Certification |
NASA STD 6012 |
Features of Nickel alloy 20 seamless pipe
Monel 400 seamless nickel alloy pipe
Nickel-Copper Chemistry:
UNS N04400 (63Ni-34Cu) maintains single-phase structure. Iron controlled <2.5% prevents galvanic corrosion. Manganese (<2.0%) enhances seawater resistance.
Marine Environment Performance:
Seawater Corrosion: <0.025 mm/year at 2.4 m/s flow
Crevice Corrosion: No attack after 30 days in chlorinated seawater
Biofouling Resistance: 90% reduction vs. titanium
Seaworthiness Testing:
ASTM G52 proof testing in synthetic seawater. Eddy current inspection per ASTM E309. Hydrogen embrittlement validation per ASTM F1624.
Ocean Engineering Applications:
Offshore platform firewater systems
Desalination plant brine recirculation loops
Submarine hydraulic tubing
Marine heat exchanger U-bends
Naval Approvals:
MIL-T-24107 (Ships) • DEF STAN 02-786 • Lloyds Register Type Approval
If you are looking for a reliable stainless steel pipes exporter, please contact us.