The NanoSteel® Company SHS 7270 PTAW Steel Alloy, Atomized Powder

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The NanoSteel® Company SHS 7270 PTAW Steel Alloy, Atomized Powder (discontinued **)
Categories:	Metal; Ferrous Metal; Alloy Steel; Other Engineering Material; Ceramic/Metallic Coating
Material Notes:	Coating Description: SHS 7270 PTAW is an iron based steel alloy with a near nanoscale (submicron) microstructure that features high impact resistance and toughness with minimal cracking/cross checking. SHS 7270 PTAW is an alternative to cobalt alloys and can be used as a good matrix material for tungsten carbide blended materials. Key Performance Characteristics 54 - 58 HRc single and double pass weld deposits High wear resistance while maintaining high toughness Very high resistance cracking/cross checking Alternative to cobalt based alloys Can be used as a matrix material and mixed with tungsten carbide particulates for extreme abrasion applications Application Process: PTAW Weld Overlay for Hardfacing Information Provided by The NanoSteel Company, Inc.
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Mechanical Properties	Original Value	Comments

Hardness, Rockwell C	54 - 58

Component Elements Properties	Original Value	Comments
Boron, B	<= 5.0 %
Carbon, C	<= 1.5 %
Chromium, Cr	<= 25 %
Iron, Fe	>= 43.5 %
Manganese, Mn	<= 5.0 %
Molybdenum, Mo	<= 8.0 %
Silicon, Si	<= 2.0 %
Tungsten, W	<= 10 %

Descriptive Properties
Deposition Efficiency (%)	80-85	Weld Deposit Property
Impact Resistance	No cracking	Palmqvist
Wear Resistance Mass Loss (g)	0.15-0.21	6000 cycles; ASTM G65-04 Procedure A

**
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NNANO101 / 106807

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