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UNS S35315 - EN 1.4854

UNS S35315 - EN 1.4854

Stainless steel 353MA boasts an austenitic structure and heat-resistant qualities. Its higher nickel content sets it apart from other steels, allowing it to withstand temperatures as high as 1150°C (2102°F) in air. However, temperatures below 950°C (1742°F) may reduce its temperature impact toughness.

Equivalent grades

• UNS S35315
• DIN 1.4854
• Alloy 353 MA
• X6NiCrSiNCe35-25

Chemical Composition Reference


Physical Property Reference

• Density: 7.9 g/cm³

• Tensile Strength: 720 MPa

• Yield Strength: 360 MPa

• Modulus of Elasticity: 190 kN/mm²

• Thermal conductivity: 11 W/m K

Stock & Dimensions

Our warehouse has a large number of stock to provide you with a variety of products in different sizes, and can also customize the size according to your needs.
• Bar: 0.5~600mm Diameter
• Coil: 0.5~150mm Thick
• Plate: 0.5~200mm Thick
• Pipe: 6~630mm External Diameter; 0.5~40mm Wall Tick
• Available in specific sizes

Product Forms

We provide you with a variety of product forms, including but not limited to:
• Bar/Rod
• Pipe/Tube
• Coil/Strip
• Plate/Sheet/Circle
• Wire
• Fitting (Flange, Elbow, Tee...)
• Customize

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UNS S35315 - EN 1.4854

Essential details
353MA is an austenitic, chromium-nickel stainless steel of high performance in oxidizing, carburizing and nitriding environments. Its high creep strength meets the design requirements of steam cracking furnace tubes. The material's high content of nitrogen contributes to the high temperature strength.

353MA is an alloy with higher nickel content than the other steels. Max service temperature in air for this alloy is 1150°C; however, service below 950°C may cause reduced room temperature impact toughness.


Components requiring heat and creep resistance; for use over 550°C for equipment and components in: iron, steel, and non-ferrous industries, cement, engineering, and energy conservation plants.

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