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Incoloy 27-7Mo

Incoloy 27-7Mo

INCOLOY alloy 27-7MO is a superior super-austenitic stainless steel featuring 7% molybdenum for enhanced corrosion resistance. This alloy is suitable in marine environments and for applications in the pulp and paper, oil, and gas sectors. Available forms include plate, sheet, rod, bar, tube, and pipe.

Equivalent grades

• Incoloy 27-7Mo
• UNS S31277
• W.Nr. 1.4469

Chemical Composition Reference


Physical Property Reference

• Density: 8.02 g/cm³

• Tensile Strength: 827 MPa

• Yield Strength: 414 MPa

• Modulus of Elasticity: 138 GPa

• Poisson's ratio: 0.29

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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Incoloy 27-7Mo

Essential details
INCOLOY alloys are super alloys that have nickel as the base metal. Apart from nickel, chromium and iron are the other major components of this alloy. Addition of metals such as molybdenum, copper, etc., enhances characteristics such as strength and corrosion resistance.

INCOLOY alloy 27-7MO is an advanced super-austenitic stainless steel containing 7% of molybdenum. When the content of molybdenum is increased the corrosion resistance in many environments is enhanced. The combination of nickel, nitrogen and molybdenum increase the corrosion resistance range to reducing media, pitting, crevice, acids, stress cracking and caustic corrosion. This alloy is also capable of resisting corrosion by sea water and chemicals in the pulp, paper, oil and gas industries. The standard forms in which this alloy is available are plate, sheet, rod, bar, tube and pipe.


- Pollution control

- Power, marine and chemical industries

- Pulp, paper, oil and gas industries

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