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Crucible Steel REX® M3-1 High Speed Steel, AISI M3-1
| Category | Metal , Ferrous Metal , Tool Steel |
| 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 REX® M3-1 High Speed Steel, AISI M3-1.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
REX M3-1 is a lower carbon, lower vanadium modification of M3-2 high speed steel. This lower alloy content results in better machining and grinding characteristics compared to M3-2, with a slight improvement in toughness and a moderate decrease in wear resistance in between that of M2 and M3-2.Information provided by Crucible Industries
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 8.17 g/cc | 0.295 lb/in³ |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Brinell | 225 - 255 | 225 - 255 | |
| Hardness, Rockwell C | 65 | 65 | oil quenched from 2100°F |
| 52 @Tempering Temp. 649 °C |
52 @Tempering Temp. 1200 °F |
oil quenched from 2100°F then tempered | |
| 56 @Tempering Temp. 621 °C |
56 @Tempering Temp. 1150 °F |
oil quenched from 2100°F then tempered | |
| 60 @Tempering Temp. 593 °C |
60 @Tempering Temp. 1100 °F |
oil quenched from 2100°F then tempered | |
| 62 @Tempering Temp. 566 °C |
62 @Tempering Temp. 1050 °F |
oil quenched from 2100°F then tempered | |
| 63 @Tempering Temp. 551.7 °C |
63 @Tempering Temp. 1025 °F |
oil quenched from 2100°F then tempered | |
| 63.5 @Tempering Temp. 538 °C |
63.5 @Tempering Temp. 1000 °F |
oil quenched from 2100°F then tempered | |
| Modulus of Elasticity | 207 GPa | 30000 ksi |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 11.5 µm/m-°C @Temperature 21.1 - 260 °C |
6.40 µin/in-°F @Temperature 70.0 - 500 °F |
|
| 11.9 µm/m-°C @Temperature 21.1 - 427 °C |
6.60 µin/in-°F @Temperature 70.0 - 800 °F |
||
| 12.1 µm/m-°C @Temperature 21.1 - 538 °C |
6.70 µin/in-°F @Temperature 70.0 - 1000 °F |
| Component Elements Properties | Metric | English | Comments |
|---|---|---|---|
| Carbon, C | 1.02 % | 1.02 % | |
| Chromium, Cr | 4.0 % | 4.0 % | |
| Iron, Fe | 81.25 % | 81.25 % | as balance |
| Manganese, Mn | 0.25 % | 0.25 % | |
| Molybdenum, Mo | 5.0 % | 5.0 % | |
| Silicon, Si | 0.30 % | 0.30 % | |
| Sulfur, S | 0.030 % | 0.030 % | |
| Tungsten, W | 5.75 % | 5.75 % | |
| Vanadium, V | 2.4 % | 2.4 % |
| Chemical Properties | Metric | English | Comments |
|---|---|---|---|
| Critical Temperature | 835.0 °C | 1535 °F |
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