1.6963 27NiCrMoV16-7 High-Hardenability Ni Cr Mo V Steel Forgings for Large Turbine Rotors, Valve Spindles & Seal Rings Bars, Rotors & Rings

Product Description

Jiangsu Liangyi is an ISO 9001:2015-certified forging manufacturer in China supplying 1.6963 / 27NiCrMoV16-7 open-die forgings, seamless rolled rings and bars to gas-turbine, steam-turbine, oil & gas and high-temperature pressure-equipment projects in India and worldwide, to SEW 555 and EN 10083-3.

Why 1.6963 / 27NiCrMoV16-7 for Indian large-rotor projects

27NiCrMoV16-7 is a high-hardenability low-alloy Ni-Cr-Mo-V forging steel specifically engineered for through-section hardening in the largest turbine rotor and shaft forgings, with reliable creep resistance at 450500 C. For India's power-generation and oil & gas sectors, 1.6963 suits rotor shaft forgings, turbine blade stock, valve spindles, high-strength fasteners and seal rings.

Documented capability

Gas/steam turbines: rotor shaft forgings, turbine blade flat bars, large-section rotating components.

Oil & gas: valve spindles, double-ended studs, high-strength fasteners.

Seal hardware: seal ring forgings.

General: bars, discs, hubs, sleeves, custom forgings.

Product range for Indian buyers

Forged gas/steam turbine rotor shaft forgings; turbine blade flat bars; valve spindles and double-ended studs; high-strength fasteners; seal ring forgings; round/square/flat/rectangular bars; discs, hubs, sleeves.

Material data

Chemistry (nominal, wt%): C 0.240.30, Ni 3.504.20, Cr 1.501.90, Mo 0.350.55, V 0.080.15. Quench + temper; creep resistance 450500 C; through-section hardenability in large sections. Same grade as 1.6963 / 27NiCrMoV16-7.

Standards & quality

Manufactured to SEW 555, EN 10083-3; EAF + ladle refining + VOD, ESR ultra-pure melting available; 100% UT; full chemistry (OES-verified); EN 10204-3.1 / 3.2.

Commercial & logistics

Lead time by project; FOB Shanghai / CIF to Nhava Sheva, Mundra, Chennai, Kandla, Visakhapatnam.

Enquire with Jiangsu Liangyi: sales@jnmtforgedparts.com +86-13585067993 Jiangyin, Jiangsu, China.

Jiangsu Liangyi is an independent manufacturer; designations indicate the material supplied. Chemistry is a nominal SEW 555-type range confirm exact spec limits against EN 10083-3 Table 3 and request heat + product analysis for safety-critical applications.