NITRONIC® 60 Bar

Alternative and trade names
NITRONIC® 60, UNS S21800, ALLOY 218
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Description

NITRONIC® 60 is silicon/manganese alloyed austenitic stainless steel with double yield strength of AISI 304 material. The increased silicon and manganese level inhibit wear, galling and fretting and makes the alloy fit for temperatures up to 1000°C.

Related Standards

Equivalent Materials

This material data has been provided by Sverdrup Steel.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

Ashby charts

Properties

Dimension

PropertyValue

Diameter

38.1 - 101.6 mm

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Mechanical

PropertyTemperatureValue

Charpy impact energy, V-notch

23.0 °C

310 J

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Elongation

23.0 °C

35 - 55 %

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Hardness, Brinell

23.0 °C

200 - 241 [-]

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Tensile strength

23.0 °C

655 - 720 MPa

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Yield strength Rp0.2

23.0 °C

345 - 400 MPa

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Chemical properties

PropertyValue

Carbon

0.1 %

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Chromium

16 - 18 %

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Iron

Balance

Manganese

7 - 9 %

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Molybdenum

0.75 %

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Nickel

8 - 9 %

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Nitrogen

0.08 - 0.18 %

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Phosphorus

0.06 %

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Silicon

3.5 - 4.5 %

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Sulfur

0.03 %

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Technological properties

Property
Application areas

Applications using NITRONIC® 60 are valve stems, seats and trim, fastening systems, screening, pins, bushings and roller bearings, pump shafts and rings. Other uses include wear plates, rails guides, and bridge pins. This alloy provides a significant lower cost way to fight wear and galling compared to Nickel or Cobalt based alloys.

Corrosion properties

General corrosion resistance is between AISI 304 and 316. It offers better chloride pitting resistance, stress corrosion cracking resistance and crevice corrosion resistance than AISI 316L in laboratory conditions.

Heat Treatment

Annealed at 1066°C followed by water quenching.