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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 | Comments |
|---|---|---|---|
| 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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