|
Test Results: Percentage of Increase
in
Wear Resistance after Cryogenic
Tempering
|
|
Materials that showed signicificant
improvement
|
| AISI# |
Description |
At -110° F |
At -310°F
|
| D-2 |
Hi carbon/chromium die steel |
316% |
817% |
| S-7 |
Silicon tool steel |
241% |
503% |
| 52100 |
Standard steel |
195% |
420% |
| 0-1 |
Oil hardening cold work die steel |
221% |
418% |
| A-10 |
Graphite tool steel |
230% |
264% |
| M-1 |
Molybdenum high-speed steel |
145% |
225% |
| H-13 |
Chromium/moly hot die steel |
164% |
209% |
| M-2 |
Tungsten/moly high-speed steel |
117% |
203% |
| T-1 |
Tungsten high-speed tool steel |
141% |
176% |
| CPM-10V |
Alloy steel |
94% |
131% |
| P-20 |
Mold steel |
123% |
130% |
| 440 |
Martensitic stainless |
128% |
121% |
| 430 |
Ferritic stainless |
116% |
119% |
| 303 |
Austenitic stainless |
105% |
110% |
| 8620 |
Nickel-chromium-moly alloy steel |
112% |
104% |
|
RF Barron study results, Louisiana
Polytechnic Institute
|
