Yikai Steel | Premium Stainless & Alloy Steel Supplier

About Yikai Steel

Founded in 1998, Shanghai Yikai Metal Products Co., Ltd is a high-technology enterprise specializing in the development and production of stainless steel, heat-resistant steel, and corrosion-resistant alloys. With over two decades of experience, we have evolved into a modern, innovative service provider trusted by clients worldwide.

Our integrated production line includes smelting, steel rolling, forging, casting, cold drawing, and grinding. Since 2001, we have focused on producing premium-grade materials such as 304, 316L, Inconel 625, Hastelloy C-276, Monel 400, and 254SMo, meeting international standards including ASTM, AISI, DIN, API, EN, and BS.

Stainless Steel Pipes & Tubes Nickel Alloys Duplex & Super Austenitic Steels

Our Product Range

We manufacture and supply a comprehensive range of high-performance metals engineered for extreme environments in oil & gas, nuclear, aerospace, chemical processing, and flue gas desulfurization.

Stainless Steel 304 / 304L

Austenitic stainless steel with excellent corrosion resistance and formability. Ideal for chemical containers, food processing, and architectural applications.

• ASTM A213, A312, A240
• Forms: Pipe, Tube, Sheet, Coil
• Low carbon variant for welding

Stainless Steel 316L

Molybdenum-enhanced grade offering superior pitting and crevice corrosion resistance. Widely used in marine and chemical environments.

• ASTM A213, A312, A240
• Excellent chloride resistance
• Suitable for high-temperature service

Hastelloy C-276

Nickel-molybdenum-chromium alloy with outstanding resistance to oxidizing and reducing environments, including wet chlorine and strong acids.

• ASTM B622, B575, B619
• Resists pitting & stress corrosion
• Used in FGD systems

Inconel 625

High-strength nickel-chromium alloy with excellent resistance to a wide range of corrosive media and high-temperature oxidation.

• ASTM B446, B575, B574
• High fatigue strength
• Aerospace & marine applications

Monel 400

Nickel-copper alloy with excellent resistance to seawater, hydrofluoric acid, and alkaline solutions. Maintains toughness at sub-zero temperatures.

• ASTM B165, B164
• Non-magnetic properties
• Marine engineering & chemical processing

Duplex 2205

Ferritic-austenitic stainless steel with high strength and excellent resistance to stress corrosion cracking, pitting, and erosion.

• ASTM A789, A790, A240
• Double the yield strength of 316L
• Oil & gas, desalination plants

254SMo / 1.4529

Super austenitic stainless steel with high molybdenum content for extreme corrosion resistance in aggressive chloride environments.

• PREN > 40
• Seawater systems & chemical tanks
• ASTM A240, A276, A312

Inconel 718

Precipitation-hardening nickel-chromium alloy with high strength and excellent creep resistance up to 700°C. Widely used in aerospace and gas turbines.

• ASTM B637, B670
• High fatigue resistance
• Jet engines & rocket motors

Why Choose Yikai Steel?

We combine advanced manufacturing, strict quality control, and global logistics to deliver reliable, high-performance materials on time.

Premium Quality

All products meet ASTM, AISI, DIN, API, EN, and BS standards with full traceability and certification.

High Performance

Engineered for extreme conditions: high temperature, corrosion, pressure, and mechanical stress.

Global Reach

Trusted by clients in petroleum, nuclear, aerospace, and chemical industries worldwide.

Customer Trust

Over 25 years of consistent service, innovation, and partnership with domestic and international clients.

Frequently Asked Questions

What materials does Yikai Steel specialize in?

We specialize in stainless steel (304, 316L, 317L, 310S), nickel alloys (Inconel 600/625/718, Hastelloy C-276/C22, Monel 400/K-500), super austenitic steels (904L, 254SMo, 1.4529), and duplex steels (2205, 2507).

What product forms do you offer?

We manufacture and supply stainless steel and alloy pipes, tubes, sheets, coils, and round bars in various dimensions and finishes.

Which industries use your products?

Our materials are used in petroleum, chemical processing, flue gas desulfurization, nuclear power, aerospace, aviation, metallurgy, and machinery manufacturing.

Do you meet international standards?

Yes, all our products comply with ASTM, AISI, DIN, API, EN, and BS standards, with full material test certificates (MTC) available.

Can you provide custom sizes or alloys?

Yes, we support custom manufacturing based on customer specifications, drawings, and technical requirements.

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