High Temperature Stainless Steel
Yunming Metal supplies high temperature stainless steel designed for extreme heat, corrosion, and pressure environments, widely used in heat exchangers, marine systems, and chemical processing industries worldwide.
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Product Overview
High Temperature Stainless Steel is engineered for reliable performance in extreme heat and corrosive environments. Designed to maintain strength, oxidation resistance, and structural stability at elevated temperatures, it is widely used in demanding industries such as oil & gas, chemical processing, power generation, and marine engineering.
This category of stainless steel typically includes heat-resistant grades with high chromium and nickel content, enabling excellent resistance to scaling, thermal fatigue, and creep deformation. It is particularly suitable for applications like heat exchangers, furnace components, boilers, and exhaust systems where continuous exposure to high temperatures is critical.
With consistent metallurgical properties and strict quality control, high temperature stainless steel products ensure long service life, reduced maintenance costs, and enhanced operational safety in aggressive environments such as seawater systems, flue gas pipelines, and thermal processing units.
Application Areas
1. Oil & Gas Industry
Used in high-temperature pipelines, refinery heaters, and flare systems where resistance to thermal cycling and oxidation is essential.
2. Power Generation
Applied in boilers, superheaters, and heat recovery steam generators (HRSG) operating under extreme heat and pressure conditions.
3. Chemical Processing
Ideal for reactors, heat exchangers, and piping systems exposed to corrosive chemicals and high temperatures.
4. Marine & Seawater Systems
Utilized in desalination plants, offshore platforms, and seawater heat exchangers due to its corrosion resistance and durability.
5. Industrial Furnaces
Widely used in furnace rolls, radiant tubes, and heat treatment equipment requiring long-term heat resistance.
6. Automotive & Exhaust Systems
Applied in exhaust manifolds, catalytic converter components, and turbocharger systems exposed to high thermal loads.
Product Features
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Oxidation Resistance up to 1100°C
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Creep Resistance
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High Strength at Elevated Temperature
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Corrosion Resistance in aggressive environments
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Thermal Fatigue Resistance
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Weldability & Fabricability
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Extended Service Life
Technical Specifications
Outer Diameter (OD):
6 mm – 630 mm (1/4″ – 24″)
Wall Thickness (WT):
0.5 mm – 50 mm (1/32″ – 2″)
Length:
6 m / 12 m / Custom Length
Standards:
ASTM A213 / ASTM A312 / ASME SA213 / ASME SA312 / UNS
Grades:
304H, 309S, 310S, 321H, 347H, Incoloy 800H / 825
Manufacturing Process
The production of high temperature stainless steel follows strict metallurgical procedures to ensure consistent performance:
Melting (Electric Arc Furnace & AOD Refining) → Forming (Hot Rolling / Cold Drawing) → Heat Treatment (Solution Annealing) → Surface Finishing (Pickling / Polishing) → Non-Destructive Testing (UT, Eddy Current) → Dimensional Inspection → Packaging
Each step is carefully controlled to meet international standards and ensure product reliability under extreme conditions.
FAQ
1. What is the minimum order quantity (MOQ)?
MOQ typically depends on size and grade, but flexible quantities are available for standard specifications.
2. What is the delivery time?
Standard delivery is 15–35 days depending on order volume and production schedule.
3. Can you provide mill test certificates (MTC)?
Yes, all products are supplied with EN 10204 3.1 certification for full traceability.
4. Are custom sizes and grades available?
Yes, customized dimensions, alloys, and processing services are supported based on project requirements.
5. What industries commonly use high temperature stainless steel?
Main industries include oil & gas, marine, power generation, chemical processing, and heat exchanger manufacturing.
Conclusion
High Temperature Stainless Steel is a reliable solution for industries requiring exceptional heat resistance, durability, and corrosion protection. With a wide range of grades, sizes, and customization options, it supports critical applications across global industrial sectors.
Contact us today to get a fast quotation and technical support tailored to your project requirements.






