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Product information

Grade: Haynes 230
Origin: USA

Haynes 230 is a nickel-chromium-tungsten-molybdenum high-temperature alloy strengthened by solid solution and combined with trace amounts of lanthanum. It offers top-notch high-temperature oxidation and creep resistance, along with excellent hot and cold workability and weldability. It can be used stably for long periods at temperatures up to 1150°C, with outstanding resistance to high-temperature oxidation, sulfidation, and thermal corrosion. Harmful brittle phases are unlikely to form at high temperatures, and it has strong dimensional stability. For this reason, it has been widely used over the years in demanding high-temperature environments such as aerospace gas turbine combustion chambers, industrial heat treatment furnaces, incinerators, high-temperature heat exchangers, and high-temperature chemical cracking units.

Product parameter

Chemical Composition

Nickel (Ni) is present in the balance amount and serves as the main matrix of the Haynes 230 alloy, providing stable high-temperature toughness and basic corrosion resistance.
Chromium (Cr) content ranges from 20.00% to 24.00%; it is the core oxidation-resistant element, significantly improving high-temperature oxidation and sulfide corrosion resistance.
Tungsten (W) content ranges from 13.00% to 15.00%, strengthening the alloy through solid solution and significantly enhancing high-temperature creep strength.
Molybdenum (Mo) is present at 1.00% to 3.00%, helping to improve corrosion resistance and high-temperature structural strength.
Iron (Fe) content doesn’t exceed 3.00%, strictly controlled to avoid weakening high-temperature oxidation resistance.
Cobalt (Co) content doesn’t exceed 5.00%, slightly improving high-temperature mechanical stability.
Carbon (C) content ranges from 0.05% to 0.15%, with carbides precipitated to strengthen high-temperature strength.
Lanthanum (La) ranges from 0.005% to 0.05%, greatly increasing the adhesion of the high-temperature oxide layer.
Manganese (Mn), Silicon (Si), Phosphorus (P), Sulfur (S), and Boron (B) do not exceed 1.00%, 0.75%, 0.030%, 0.015%, and 0.015% respectively, with impurities strictly limited to ensure long-term stability under high-temperature conditions.

Mechanical Properties

Tensile Strength: 758 MPa, which indicates the maximum pulling force the material can withstand.
Yield Strength: 310 MPa, the force at which the material begins to deform permanently.
Elongation: 45%, showing how much the material can stretch before breaking, making it good for bending and stamping.
Hardness: 225 HB, the ability to resist indentation by hard objects, and the annealed state makes it easy to machine.
Fatigue Strength: stable fatigue life under high-temperature cyclic thermal loads, not easy to crack under long-term high-temperature alternation.
Elastic Modulus: 209 GPa, reflects the material’s stiffness, meaning it doesn’t easily deform under load, keeping high-temperature structures dimensionally stable.

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Shiyu Metal Material Technology Co., Ltd. is a collection of procurement, processing, agent, sales, logistics, warehousing in one of the enterprises, the company has a large-scale spot supply base in China, with domestic and foreign large steel mills and suppliers to maintain good relations of cooperation, with a full range of multi-channel procurement resources.
Shiyu Metal main products: nickel base alloy, Hastelloy, super austenitic stainless steel, duplex stainless steel, cobalt base alloy, pure nickel, titanium and titanium alloy, heat resistant, corrosion resistant alloy and other kinds of steel, a large number of product categories, can meet the size and thickness customization, prefabrication and other diversified needs.
The company has ISO9001 quality certification, the company's product standards include: the United States (UNS) ASTM /ASME, AMS, German DIN/EN, Japan (SUS) JIS and other standards supply, provide the original material certificate. We can supply according to the standards and technical requirements provided by customers to ensure that the goods and specifications are complete to meet the needs of various merchants. From raw materials to finished products, all go through three quality inspection to ensure the qualified rate of finished products. Shiyu Metal strives for perfection in every detail to ensure that the quality of products in different countries and regions around the world can meet international standards. Shiyu Metal has established a good strategic cooperative relationship with the world famous steel mills such as HAYNES, ATI, SPECIALMETALS, VDM, OUTOKUMPU, Japan Metallurgy, Nippon Steel, and Datong Special Steel.
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Shiyu Metal Material Technology Co., Ltd. is committed to the purchase, agent and sales of special steel, and has a perfect special steel sales management system and product quality supervision system. The company has been adhering to the "integrity, innovation, responsibility, win-win" business philosophy, adhere to the "quality first, customer first" service purpose, to provide customers with quality services and high-quality steel products. Shiyu Metal actively participates in the development of domestic steel industry ecology, and is willing to contribute to the development of national special steel.



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