Metco 41A Austenitic Stainless Steel Powder for Thermal Spray

Alternative and trade names
similar to Type 316L, Diamalloy 1003, Diamalloy 1003-1
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Description

Metco™ 41 series products are austenitic, nickel-chromium stainless steel powders, similar to Type 316L. They produce thermal sprayed coatings that are bright, dense and resistant to corrosion and wear. These coatings can easily be machined to a very good finish with ordinary steel tools.


The dense coatings produced by these products are particularly recommended for applications that require protection against corrosion, cavitation and mild particle erosion at ­temperatures less than 540 °C (1000 °F). These coatings are also used for the salvage and build up of worn or mismachined steel parts. In addition, these coatings work-harden in service, making them suitable for packing areas on pump shafts and bearing surfaces on motor shafts.


Coatings of these materials contain enough molybdenum to guarantee particularly high resistance to pitting and crevice corrosion in chloride environments, and they also exhibit high impact resistance and tensile strength at elevated temperatures.

Related Standards

This material data has been provided by Oerlikon Metco.

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

General

PropertyValue

Particle size range

45 - 90 µm

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Thermal

PropertyValue

Max service temperature

540 °C

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Chemical properties

PropertyValue

Carbon

0.03 %

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Chromium

17 %

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Iron

balance

Molybdenum

2.5 %

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Nickel

12 %

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Silicon

2.3 %

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Technological properties

Property
Application areas

Corrosion: Rolls used in the printing industry, Pump plungers, Shafts, Seal rings, Impellers, Hydraulic rams, Cavitation: Wear rings on hydraulic turbines, Diesel engine cylinder liners, Pumps, Low temperature particle erosion: Exhaust fans, Hydraulic valves, Cyclone dust collectors, Dump valve plugs and seats, Salvage/buildup on mismachined or worn steel parts

Availability

Special Order

Chemical composition

Fe 12Ni 17Cr 2.5Mo 2.3Si 0.03C

Distribution

Global

Handling recommendations

Store in the original container in a dry location; Tumble contents gently prior to use to prevent segregation; Open containers should be stored in a drying oven to prevent moisture pickup.

Morphology

Spheroidal

Order number

1078423

Other

Metco 41A can be applied using atmospheric plasma spray or combustion powder Thermospray™. It is not designed for application ­using HVOF. The high silicon content in Metco 41 series products provides enhanced oxidation and sulfidation resistance comparted to Diamalloy 1013.

Packaging size

5 kg (approx. 11 lb)

Processing history

Gas atomized

Processing methods

Atmospheric Plasma Spray, Combustion Powder Thermospray™

Safety data sheet

www.oerlikon.com/metco SDS No. 50-110