The NanoSteel® Company SHS 7174 TWAS Steel Alloy, Cored Wire

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The NanoSteel® Company SHS 7174 TWAS Steel Alloy, Cored Wire (discontinued **)
Categories:	Metal; Ferrous Metal; Alloy Steel; Other Engineering Material; Ceramic/Metallic Coating
Material Notes:	Coating Description: SHS 7174 TWAS is an iron based steel alloy with a nanoscale microstructure that features good resistance to wear, abrasion, impact, corrosion, high temperature erosion and sulfidation attack. Key Performance Characteristics Excellent corrosion and wear resistance High impact resistance Especially resistant to elevated temperature sulfidation attack Cost-effective option for elevated temperature erosion/corrosion protection of heat exchange tubes in coal fired boilers Application Process: Twin Wire Arc Spraying (TWAS) Information Provided by The NanoSteel Company, Inc.
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Physical Properties	Original Value	Comments

Density	7.42 g/cc	Coating Property
Porosity	<= 5.0 %	Coating Property

Mechanical Properties	Original Value	Comments
Vickers Microhardness	965 - 1065	kg/mm²; HV300
Adhesive Bond Strength	500 - 7000 psi @Thickness 0.508 mm	1018 steel; ASTM C633-01

Component Elements Properties	Original Value	Comments
Boron, B	<= 5.0 %
Carbon, C	<= 2.0 %
Chromium, Cr	<= 30 %
Iron, Fe	>= 45 %
Manganese, Mn	<= 2.0 %
Molybdenum, Mo	<= 10 %
Silicon, Si	<= 2.0 %
Tungsten, W	<= 4.0 %

Descriptive Properties
Deposition Efficiency (%)	80	Coating Property
Impact Resistance	No delamination/cracking at 480 in-lbs	Drop Impact Testing
Wear Resistance Mass Loss (g)	0.21	2000 cycles; ASTM G65-04 Procedure B

**
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NNANO106 / 106800

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