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EN 1.4122 - X39CrMo17-1

EN 1.4122 - X39CrMo17-1

EN 1.4122 stainless steel is a martensitic grade, which can be strengthened through heat treatment. This grade is presented as either 1.4122 or X39CrMo17-1, according to EN standard. EN 1.4122 is typically produced under a QT750 heat treatment condition (QT denoting quenched and tempered, and 750 indicating a minimum tensile strength of 750 MPA).

Equivalent grades

• DIN 1.4122
• X39CrMo17-1

Chemical Composition Reference


Physical Property Reference

• Density: 7.7 g/cm³

• Thermal Expansion: 10.4 x10^-6/K

• Modulus of Elasticity: 215 GPa

• Thermal Conductivity: 15 W/m.K

• Electrical Resistivity: 0.8 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

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EN 1.4122 - X39CrMo17-1

Essential details
EN 1.4122 stainless steel grade finds application in the food industry and medical industry. The 1.4122 grade is used for surgical instruments like knives, cutlery and scalpel blades. It is also utilized in plastic moulds where wear resistance is necessary like slide rails, injection nozzles and extrusion screws.

EN 1.4122 stainless steel strip can also be used to manufacture tools that are meant to cut wood or metal like engraving and cutting tools, turning tools and milling cutters.

Typical Applications:

- Surgical instruments

- Food processing equipment

- Mechanical components

- Machine and pump systems

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