UNS S38815 - ASTM A403/A403M

Name: UNS S38815 - ASTM A403/A403M
Brand: Ninesteel
Availability: InStock

Product variants

UNS S38815 is a high silicon austenitic stainless steel that boasts excellent corrosion resistance in high-temperature concentrated sulfuric acid and nitric acid environments. It is a key material in chemical, petroleum, metallurgical, and other fields, making it an indispensable choice for those industries.

Equivalent grades

• UNS S38815
• ASTM A403
• ASTM A403M
• ASTM A240
• ASTM A959

Chemical Composition Reference

• C: 0.03%

• Si: 5.5%~6.5%

• Mn: 2%

• P: 0.04%

• S: 0.02%

• Cr: 13%~15%

• Ni: 16%~17%

• Mo: 0.75%~1.5%

• Cu: 0.75%~1.5%

• Al: 0.3%

Physical Property Reference

• Density: 214 kg/dm³

• Tensile Strength: 853 MPa

• Yield Strength: 297 MPa

• Modulus of Elasticity: 129 GPa

• Elongation: 11%

• Thermal Conductivity: 33.3 W/m°C

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 Thick
• 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 S38815 - ASTM A403/A403M

Essential details

UNS S38815 stainless steel is the top choice for extreme corrosion resistance in high-temperature concentrated sulfuric acid environments. Its excellent processing and welding capabilities make it ideal for critical equipment components in sulfuric acid production, refining, and storage. Trust in its unmatched performance and reliability.

Typical Applications:

- Aerospace field

- Automobile making

- Chemical industry

- Medical equipment