Crucible Steel CSM® 21 17Cr-4Ni Precipitation Hardening Stainless Steel

Category	Metal , Ferrous Metal , Stainless Steel , Precipitation Hardening Stainless
Manufacturer	Crucible Steel
Trade Name	CSM®
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Crucible Steel CSM® 21 17Cr-4Ni Precipitation Hardening Stainless Steel.pdf
Price	EMAIL US sales@lookpolymers.com

Material Notes:

CSM 21 is a precipitation hardening stainless mold steel, providing outstanding corrosion resistance and toughness, good polishability, and moderate wear resistance, combined with simple heat treatment. CSM 21 is supplied in the solution treated condition at about 32 HRC, but is intended to be aged prior to use.Information provided by Crucible Industries

Physical Properties	Metric	English	Comments
Density	7.81 g/cc	0.282 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell C	32 @Treatment Temp. 1040 °C	32 @Treatment Temp. 1900 °F	Solution Treated
	33 @Treatment Temp. 621 °C	33 @Treatment Temp. 1150 °F	hardened H1150
	34 @Treatment Temp. 593 °C	34 @Treatment Temp. 1100 °F	hardened H1100
	39 @Treatment Temp. 551.7 °C	39 @Treatment Temp. 1025 °F	hardened H1025
	40 @Treatment Temp. 524 °C	40 @Treatment Temp. 975 °F	hardened H975
	43 @Treatment Temp. 496 °C	43 @Treatment Temp. 925 °F	hardened H925
Modulus of Elasticity	197 GPa	28500 ksi
Charpy Impact	13.6 J @Treatment Temp. 496 °C	10.0 ft-lb @Treatment Temp. 925 °F	hardened H925; V-notch
	42.0 J @Treatment Temp. 524 °C	31.0 ft-lb @Treatment Temp. 975 °F	hardened H975; V-notch
	46.1 J @Treatment Temp. 551.7 °C	34.0 ft-lb @Treatment Temp. 1025 °F	hardened H1025; V-notch
	67.8 J @Treatment Temp. 1040 °C	50.0 ft-lb @Treatment Temp. 1900 °F	Solution Treated; V-notch
	74.6 J @Treatment Temp. 593 °C	55.0 ft-lb @Treatment Temp. 1100 °F	hardened H1100; V-notch
	89.5 J @Treatment Temp. 621 °C	66.0 ft-lb @Treatment Temp. 1150 °F	hardened H1150; V-notch

Thermal Properties	Metric	English
CTE, linear	12.1 µm/m-°C @Temperature 21.1 - 93.3 °C	6.70 µin/in-°F @Temperature 70.0 - 200 °F
	12.4 µm/m-°C @Temperature 21.1 - 204 °C	6.90 µin/in-°F @Temperature 70.0 - 400 °F
	12.8 µm/m-°C @Temperature 21.1 - 316 °C	7.10 µin/in-°F @Temperature 70.0 - 600 °F
	13.1 µm/m-°C @Temperature 21.1 - 427 °C	7.30 µin/in-°F @Temperature 70.0 - 800 °F
Thermal Conductivity	1.44 W/m-K @Temperature 93.3 °C	10.0 BTU-in/hr-ft²-°F @Temperature 200 °F

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	75.4 %	75.4 %	as balance
Manganese, Mn	0.60 %	0.60 %
Nickel, Ni	4.75 %	4.75 %
Silicon, Si	0.50 %	0.50 %

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