NITRONIC® 60 Bar

Alternative and trade names
UNS S21800
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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. 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.

Related Standards

Properties

Dimension

Diameter d

38.1 - 101.6 mm

Mechanical

Elongation A

35 - 55 % at 20 °C

Hardness, Brinell HB

200 - 241 [-] at 20 °C

Impact strength, Charpy notched Ivnot

310 kJ/m² at 20 °C

Tensile strength Rm

655 - 720 MPa at 20 °C

Yield strength Rp0.2 Rp0.2

345 - 400 MPa at 20 °C

Chemical properties

Element

Weight %

Comment

Cr

16 - 18 %

Ni

8 - 9 %

Mn

7 - 9 %

Si

3.5 - 4.5 %

Mo

0.75 %

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Technological properties

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.

Processing history

Annealed at 1066°C followed by water quenching.

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.