Martensitic Stainless Steel

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AISI 431 - EN 1.4057
AISI 431 - EN 1.4057

AISI 431 - EN 1.4057

AISI 431 - EN 1.4057 is a martensitic stainless steel with superior tensile strength and machinability. Its corrosion resistance capabilities make it an ideal choice for machining precision parts, especially in environments exposed to strong oxidizing agents like nitric acid. The steel is magnetic when quenched and tempered.

Products Description Company Profile

AISI 431 - EN 1.4057 is a martensitic stainless steel with superior tensile strength and machinability. Its corrosion resistance capabilities make it an ideal choice for machining precision parts, especially in environments exposed to strong oxidizing agents like nitric acid. The steel is magnetic when quenched and tempered.

Chemical Composition 0.17C-16Cr-2Ni
Physical Property • Density: 7.0 g/cm³
• Thermal Expansion: 10.3 x10^-6/K
• Modulus of Elasticity: 215 GPa
• Thermal Conductivity: 25 W/m.K
• Electrical Resistivity: 0.7 x10^-6 Ω .m
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

Essential details

AISI 431 - EN 1.4057 stainless steel boasts an exceptional blend of wear- and corrosion-resistance, impact toughness, and high strength. This property can be finely-tuned through specific heat treatment to acquire a unique balance of mechanical to chemical characteristics. 1.4057 stainless steel is broadly resistant to oxidizing acids and corrosion from salt water, suiting it for complex engineering projects in marine applications.

Typical Applications:

- Laboratory equipment

- Marine systems

- Beater bars

- Pump and propeller shafts

- Nuts and bolts