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  • 310S Stainless Steel Plate

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310S Stainless Steel Plate
310S stainless steel is the 'ultimate evolution' based on 309/309S, and is one of the standard austenitic heat-resistant stainless steels with the highest chromium and nickel content. Its core feature is that it can maintain excellent oxidation resistance, carburization resistance, and good structural strength even in extremely high temperatures (up to 1150°C), making it a flagship material for industrial high-temperature furnace applications.
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Product Introduction

310S Stainless Steel Plate is a premium austenitic chromium-nickel stainless steel, renowned for its exceptional resistance to oxidation (scaling) and creep at elevated temperatures. As the low-carbon version of the standard 310 grade, 310S features a maximum carbon content of 0.08%, which significantly enhances its resistance to sensitization and intergranular corrosion after welding or high-temperature exposure.

Designed for sustained operation in demanding thermal environments, this alloy is the material of choice where conventional stainless steels like 304 or 309 would rapidly degrade. It maintains structural integrity and surface stability at temperatures exceeding those handled by common heat-resistant grades, making it indispensable for high-temperature industrial furnace components and chemical processing equipment

Product parameters


Item / ParameterSpecification for 310S (UNS S31008)Notes / Significance
Key FeatureSuperior High-Temperature Oxidation & Creep Resistance. The go-to grade for service above 1000°C.Outperforms 304/309H in extreme heat; low carbon prevents weld decay.
Common DesignationsUNS S31008, AISI 310S, EN 1.4845, JIS SUS310S, GB 06Cr25Ni20, 2520The "2520" common name derives from its typical 25% Chromium, 20% Nickel content.
Chemical Composition (Typical wt.%)C: ≤ 0.08Cr: 24.0 - 26.0Ni: 19.0 - 22.0Mn: ≤ 2.00
Si: ≤ 1.00 - 1.50		High Cr forms a stable, protective oxide layer. High Ni ensures austenite stability and creep strength.
Mechanical Properties (Annealed Plate)Tensile Strength (Rm): ≥ 515 - 520 MPaYield Strength (Rp0.2): ≥ 205 MPaElongation (A): ≥ 35% - 40%Hardness (HB): ≤ 187Excellent room-temperature ductility for fabrication.
High-Temperature PerformanceContinuous Service: Up to 1150°C (2100°F) in oxidizing atmospheres.
Short-Term Peak: Up to 1200°C (2192°F).
Key Limitation: Avoid prolonged exposure in 425-860°C range to prevent σ-phase embrittlement and sensitization.		Defines its core application envelope. For ultra-high temp, this is the benchmark.
Key Standards (Plate)ASTM A240/A240MASME SA-240AMS 5521K (Aerospace)ASTM A240 is the primary international procurement standard.

Surface selection

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Packaging and transportation

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Product packaging
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FACTORY SHOW

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FAQ

Q:What about your price? 
A:Our price is very competitive because we are a factory. Feel free to contact us if you are interested in our products. 

Q:Can I go to your factory to visit?
A:Of course, we welcome customers from all over the world to visit our factory.

Q:What product information do I need to provide?
A:You need to provide the grade, width, thickness, coating and the number of tons you need to purchase. 

Q:Does the product have quality inspection before loading? 
A:Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed.we
accept the third party inspection absolutely. 

Q:How about the delivery time? 
A:Within 3-15 days after we confirm you requirement. 

Q:What is your terms of payment ?
A:T/T, L/C at sight, Cash, Western Union are all accepted if you have other payment,please contact me. 

Q: Do you provide samples? 
A:Yes,we could offer the sample for you to test but please pay freight fee.

Q:How do we trust your company? 
A:We are a specialized company focusing on global steel trading and supply chain services. Our mission is to provide high-quality, multi-specification, and one-stop steel products and solutions to customers worldwide.

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