Inconel Seamless Tube China Manufacturer
INCONEL 718 Seamless Tube | Aerospace Precision
Inconel 718 seamless tube features age-hardened γ'' phase strengthening, delivering fatigue strength >825 MPa for rocket engine feed lines. Compliant with AMS 5596 and SGS material traceability. Explore our inconel 718 and 601 seamless tube for high-performance solutions in extreme environments.
Inconel Seamless Tube Specification
Technical Specifications
Seawater Velocity Limit
7 m/s (No erosion)
Electrical Resistivity
58 μΩ·cm
Cold Workability
85% reduction area
Cleanliness
Oil-free <0.1mg/m²
Features of Inconel Seamless Tube
Inconel 718 Seamless Tubes
Precipitation-Hardenable Chemistry:
Gamma-double prime (γ'') formation via 4.75-5.5% niobium with aluminum <0.8% and titanium <1.15%. Carbon restricted to 0.08% max to prevent MC carbides.
Aerospace Mechanicals:
Aged Strength: 1300 MPa UTS / 1100 MPa YS
Cryogenic Toughness: >100J @-196°C
Fatigue Strength: 825 MPa stress range @10⁷ cycles
Creep Life: 10,000h @650°C under 350 MPa
Precision Processing:
Triple-vacuum melting (VIM + VAR + ESR). Cold drawing with intermediate solution anneals. Aging heat treatment at 718°C. Fluorescent penetrant inspection (ASTM E1417).
Aviation/Aerospace Uses:
Turbine engine combustion liners (FAR 33.97)
Space launch vehicle propulsion ducts
Aircraft hydraulic actuation lines (AS4070)
Hypersonic vehicle thermal protection systems
Flight Certification:
AMS 5596 (Rev G) • AS9100 Rev D • ESA ECSS-Q-ST-70-71
Discover high-performance Inconel 718 Seamless Tubes from Guangxin PipeTech, ideal for aerospace applications with superior fatigue strength














