The NanoSteel® Company SHS 7170 TWAS Steel Alloy, Cored Wire

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The NanoSteel® Company SHS 7170 TWAS Steel Alloy, Cored Wire (discontinued **)
Categories:	Metal; Ferrous Metal; Alloy Steel; Other Engineering Material; Ceramic/Metallic Coating
Material Notes:	Coating Description: SHS 7170 TWAS is an iron based steel alloy with a nanoscale microstructure that features good wear and corrosion resistance, high temperature erosion resistance, and high hardness and toughness. Key Performance Characteristics Excels in high sulfur and elevated temperature environments where fly-ash and bed-ash erosion occurs Very high bond strength across a range of substrate materials, including aluminum, copper, carbon steel and stainless steel Wide processing window allows easy recoating and repairs in the field Can be sprayed up to 1 in (25.4 mm) thick as cost-effective option for rebuilding worn components Alternative to nickel based alloys for corrosion resistance Application Process: Twin Wire Arc Spraying (TWAS) Information Provided by The NanoSteel Company, Inc.
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Physical Properties	Original Value	Comments

Density	7.32 g/cc	Coating Property
Porosity	<= 5.0 %	Coating Property

Mechanical Properties	Original Value	Comments
Vickers Microhardness	1025 - 1150	kg/mm²; HV300
Adhesive Bond Strength	4800 psi @Thickness 0.508 mm	copper; ASTM C633-01
	6450 psi @Thickness 2.54 mm	1018 steel; ASTM C633-01
	8250 psi @Thickness 1.78 mm	1018 steel; ASTM C633-01
	9800 psi @Thickness 1.02 mm	1018 steel; ASTM C633-01
	10180 psi @Thickness 0.508 mm	316L stainless; ASTM C633-01
	10800 psi @Thickness 0.508 mm	6000 series Aluminum; ASTM C633-01
	12040 psi @Thickness 0.508 mm	1018 steel; ASTM C633-01

Thermal Properties	Original Value	Comments
Thermal Conductivity	4.14 W/m-K @Temperature 25.0 °C

Component Elements Properties	Original Value	Comments
Boron, B	<= 5.0 %
Carbon, C	<= 2.0 %
Chromium, Cr	<= 26 %
Iron, Fe	>= 51 %
Manganese, Mn	<= 4.0 %
Molybdenum, Mo	<= 4.0 %
Silicon, Si	<= 3.0 %
Tungsten, W	<= 5.0 %

Descriptive Properties
Deposition Efficiency (%)	65 - 80	Coating Property
Impact Resistance	No delamination/cracking at 480 in-lbs	Drop Impact Testing

**
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NNANO107 / 106799

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