Crucible Steel 174 SXR Precipitation Hardening Stainless Steel

Category	Metal , Ferrous Metal , Stainless Steel , Precipitation Hardening Stainless
Manufacturer	Crucible Steel
Trade Name
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Crucible Steel 174 SXR Precipitation Hardening Stainless Steel.pdf
Price	EMAIL US sales@lookpolymers.com
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Material Notes:

Crucible 174 SXR is a premium quality precipitation- hardening stainless steel designed for use as rifle barrels. It is a modification of Crucible’s 17Cr-4Ni which offers substantially improved machinability without sacrificing toughness. Its excellent corrosion resistance approaches that of a 300 series austenitic stainless steel, while its high strength is characteristic of 400 series martensitic stainless steels. At similar hardness levels, Crucible 174 SXR offers greater toughness than either the 410 or the 416 stainless steels which are commonly used for rifle barrels.Information provided by Crucible Industries

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell C	33 @Treatment Temp. 621 °C	33 @Treatment Temp. 1150 °F	hardened H1150
	36 @Treatment Temp. 579.4 °C	36 @Treatment Temp. 1075 °F	hardened H1025
	38 @Treatment Temp. 551.7 °C	38 @Treatment Temp. 1025 °F	hardened H1025
Charpy Impact	54.2 J @Treatment Temp. 551.7 °C	40.0 ft-lb @Treatment Temp. 1025 °F	hardened H1025; V-notch
	58.3 J @Treatment Temp. 579.4 °C	43.0 ft-lb @Treatment Temp. 1075 °F	hardened H1025; V-notch
	136 J @Treatment Temp. 621 °C	100 ft-lb @Treatment Temp. 1150 °F	hardened H1150; V-notch

Component Elements Properties	Metric	English	Comments
Carbon, C	0.020 %	0.020 %
Chromium, Cr	15.25 %	15.25 %
Copper, Cu	3.5 %	3.5 %
Iron, Fe	75 %	75 %	as balance
Manganese, Mn	0.60 %	0.60 %
Nickel, Ni	4.8 %	4.8 %
Niobium, Nb (Columbium, Cb)	0.20 %	0.20 %
Nitrogen, N	0.015 %	0.015 %
Phosphorous, P	0.025 %	0.025 %
Silicon, Si	0.50 %	0.50 %
Sulfur, S	0.020 %	0.020 %

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