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Special Steels for Energy & Power Generation

ISO 9001:2015 certified manufacturer and supplier of high-performance steels for turbine blades, aerospace, fasteners, and extreme environment applications.

ISO 9001:2015
Certified
Global
Supply
ESR/VIM
Processing

Engineered for Extreme Performance

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.

ISO 9001:2015 Certified Quality Management
Advanced Metallurgical Processing (ESR, VIM, SA)
Precision Forging & Machining Capabilities
Steel manufacturing process

Our Product Range

Comprehensive portfolio of special steels in various forms, tailored for critical applications in energy, aerospace, and industrial sectors.

Steel Bars

Precision round, forged, and bright bars in a wide range of special alloys including 36CrNiMo16, X12CrNiMoV12-2, and UNS N07718.

  • • Diameter: Φ8.5mm to Φ210mm
  • • Conditions: Annealed, QT, Bright, ESR
  • • Standards: ASTM, EN, GE, AIR

Open & Closed Die Forgings

High-integrity forgings for turbine components, aerospace parts, and critical fasteners using advanced alloy systems.

  • • Materials: GTD 450, C450, 31CrMoV9
  • • Processes: ESR, VIM+ESR, SA
  • • Finishes: Milled, QT, Annealed

Non-Magnetic Steel

1.3813 (X40MnCrN19) and related grades with magnetic permeability μr max 1.01, ideal for drill collars and sensitive instrumentation.

  • • Grades: 1.3813, X40MnCrN19
  • • Properties: Rust & acid resistant
  • • Forms: Hot-cold-formed, bars

High Temperature Alloys

Superalloys including Inconel 718, Nimonic 263, Haynes 25, and 21CrMoV5-7 for turbine and boiler applications.

  • • Applications: Turbines, valves, boilers
  • • Standards: UNS, ASTM, EN, GE
  • • Processing: VIM+ESR, SA

Turbine Blade Steels

Specialized steels for steam and gas turbine blades and vanes including GTD 450, AISI 422, and B50A789.

  • • Grades: UNS S4500, XM-25, 422, 616
  • • Specifications: GE B50A789, B50A951
  • • Forms: Round bars, forgings

Steel Plates & Sheets

High-quality plates and sheets in special stainless and tool steels for industrial and energy applications.

  • • Grades: 1.4037, X65Cr13, 420D
  • • Properties: High hardenability, corrosion resistance
  • • Thickness: Custom dimensions available

Profiled Bars

Custom-shaped bars for specialized engineering applications requiring precise dimensional tolerances.

  • • Materials: Alloy steels, stainless
  • • Processing: Cold drawing, precision milling
  • • Applications: Aerospace, tooling

Aerospace Steels

High-strength martensitic stainless steels like 1.4418 and maraging steels meeting EN 4628-2013 and AIR 9160/C.

  • • Grades: 1.4418, Maraging 250
  • • Properties: High tensile, ductility
  • • Certifications: Aerospace standards

Premium Steel Grades

We supply a comprehensive range of special steels meeting international standards for critical applications.

Turbine Blade Steels

UNS S4500, XM-25, GTD 450, C450, AISI 422, AISI 616, 403Cb, B50A789, B50A951

Non-Magnetic Steels

1.3813, X40MnCrN19, μr max 1.01, rust & acid resistant

Stainless & Tool Steels

1.4037, X65Cr13, 65Ch13, 420D – high hardenability & corrosion resistance

High Temp Alloys

Inconel 718, Nimonic 263, Haynes 25, 21CrMoV5-7, 31CrMoV9

Aerospace Steels

1.4418, X4CrNiMo16-5-1, Maraging 250, EN 4628-2013, AIR 9160/C

Fastener Steels

21CrMoV5-7, 31CrMoV9, 40CrMoV4-6, X12CrMo5 – for bolts, studs, nuts

ISO 9001
Quality Certified
50+
Steel Grades
Global
Supply Network
ESR/VIM
Advanced Processing

Get in Touch

Contact Longhai Steel for quotes, technical specifications, or to discuss your special steel requirements.

Phone
+86-13880247006
Office
+86-816-3646575
Visit Official Website to Contact

Jiangyou Longhai Special Steel Co., Ltd.
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