P-20
Plastic Mold Steel
DSS #20
P-20 is designed for the manufacture of plastic molds.
It has moderate abrasion resistance, good polishability and will readily accept
chemical etching/texturing.
| Grade Name: |
P-20 (DSS #20) |
| Chemistry: |
| C |
|
Cr |
|
Mn |
|
Mo |
|
Ni |
| 0.38% |
|
1.75% |
|
.90% |
|
0.35% |
|
0.50% |
|
| Applications: |
Plastic Molds, Injection, compression, Rim, SCM. |
| Heat Treatment: |
P-20 is supplied in the heat treated condition 28/32 RcH and
should be used in that range. |
| Welding Specs: |
Welding Rod: P-20 or A.I.S.I. 4140 Type
Pre-Heat temperature: 750º F
Post-Heat temperature: 750º F/1000º F |
| Surface Coating: |
P-20 is capable of receiving many of today's surface
coatings. Check with your DSS sales representative or with any of the quality
coatings companies. |
|
|
