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

UNS S21800

This material data has been provided by Sverdrup Steel.

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
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

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Properties

Dimension

Property	Value
Diameter	38.1 - 101.6 mm Show Supplier Material materials with Diameter of 38.1 - 101.6 mm

Mechanical

Property	Temperature	Value
Charpy impact energy, V-notch	23.0 °C	310 J Show Supplier Material materials with Charpy impact energy, V-notch of 310 J
Elongation	23.0 °C	35 - 55 % Show Supplier Material materials with Elongation of 35 - 55 %
Hardness, Brinell	23.0 °C	200 - 241 [-] Show Supplier Material materials with Hardness, Brinell of 200 - 241 [-]
Tensile strength	23.0 °C	655 - 720 MPa Show Supplier Material materials with Tensile strength of 655 - 720 MPa
Yield strength Rp0.2	23.0 °C	345 - 400 MPa Show Supplier Material materials with Yield strength Rp0.2 of 345 - 400 MPa

Chemical properties

Property	Value
Carbon	0.1 % Show Supplier Material materials with Carbon of 0.1 %
Chromium	16 - 18 % Show Supplier Material materials with Chromium of 16 - 18 %
Iron	Balance
Manganese	7 - 9 % Show Supplier Material materials with Manganese of 7 - 9 %
Molybdenum	0.75 % Show Supplier Material materials with Molybdenum of 0.75 %
Nickel	8 - 9 % Show Supplier Material materials with Nickel of 8 - 9 %
Nitrogen	0.08 - 0.18 % Show Supplier Material materials with Nitrogen of 0.08 - 0.18 %
Phosphorus	0.06 % Show Supplier Material materials with Phosphorus of 0.06 %
Silicon	3.5 - 4.5 % Show Supplier Material materials with Silicon of 3.5 - 4.5 %
Sulfur	0.03 % Show Supplier Material materials with Sulfur of 0.03 %

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.