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ISO 9001:2015 certified manufacturer and supplier of high-performance steels for turbine blades, aerospace, fasteners, and extreme environment applications.
Longhai Steel specializes in the production and distribution of advanced special steels designed for the most demanding environments in energy, power generation, aerospace, and industrial applications.
Our core focus lies in materials for turbine blades, fasteners, non-magnetic components, and high-temperature alloys. With strict adherence to international standards and advanced processing techniques like ESR (Electro Slag Remelting) and VIM (Vacuum Induction Melting), we ensure superior purity, homogeneity, and mechanical properties.
Comprehensive portfolio of special steels in various forms, tailored for critical applications in energy, aerospace, and industrial sectors.
Precision round, forged, and bright bars in a wide range of special alloys including 36CrNiMo16, X12CrNiMoV12-2, and UNS N07718.
High-integrity forgings for turbine components, aerospace parts, and critical fasteners using advanced alloy systems.
1.3813 (X40MnCrN19) and related grades with magnetic permeability μr max 1.01, ideal for drill collars and sensitive instrumentation.
Superalloys including Inconel 718, Nimonic 263, Haynes 25, and 21CrMoV5-7 for turbine and boiler applications.
Specialized steels for steam and gas turbine blades and vanes including GTD 450, AISI 422, and B50A789.
High-quality plates and sheets in special stainless and tool steels for industrial and energy applications.
Custom-shaped bars for specialized engineering applications requiring precise dimensional tolerances.
High-strength martensitic stainless steels like 1.4418 and maraging steels meeting EN 4628-2013 and AIR 9160/C.
We supply a comprehensive range of special steels meeting international standards for critical applications.
UNS S4500, XM-25, GTD 450, C450, AISI 422, AISI 616, 403Cb, B50A789, B50A951
1.3813, X40MnCrN19, μr max 1.01, rust & acid resistant
1.4037, X65Cr13, 65Ch13, 420D – high hardenability & corrosion resistance
Inconel 718, Nimonic 263, Haynes 25, 21CrMoV5-7, 31CrMoV9
1.4418, X4CrNiMo16-5-1, Maraging 250, EN 4628-2013, AIR 9160/C
21CrMoV5-7, 31CrMoV9, 40CrMoV4-6, X12CrMo5 – for bolts, studs, nuts
Contact Longhai Steel for quotes, technical specifications, or to discuss your special steel requirements.
Jiangyou Longhai Special Steel Co., Ltd.
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