Cross-Reference Charts
Mold Finish Cross Reference Chart
Type of Finishes | Current SPI Finish Numbers | Roughness Comparison R.A. | |
|---|---|---|---|
Diamond |
#3 Diamond Buff | A1 | 0-1 |
#6 Diamond Buff | A2 | 1-2 | |
#15 Diamond Buff | A3 | 2-3 | |
Paper |
600 Grit | B1 | 2-3 |
400 Grit | B2 | 4-5 | |
320 Grit | B3 | 9-10 | |
Stone | 600 Stone | C1 | 10-12 |
400 Stone | C2 | 25-28 | |
320 Stone
| C3 | 38-42 | |
Dry Blasted |
#11 Glass Bead | D1 | 10-12 |
240 Aluminum Oxide Blast |
D2 | 26-32 | |
#24 Aluminum Oxide Blast | D3 | 190-230 | |
Global Steel Cross Reference Tool
This chart references common tooling materials and their designations in various regions. Contact Progressive at tech@procomps.com for materials not listed here.
Materials | UA SAE/AISI | Japan | Germany W.nbr | United Kingdom |
|---|---|---|---|---|
Low Carbon Steels |
1018 | S15C | 1.0453 | 081A15 |
(up to .35% Carbon) | 4130 | SCM2 | 708A30 | |
8630 | SNCM220H | 1.6523 | 805A20 | |
Medium Carbon Steels | P20 | 1.2311/1.2330 | 4659 | |
(.35-.50%Carbon) | 4140 | SCM440 | 1.7225 | 708A42 |
A-2 | SKD12 | 1.2363 | BA2 | |
High Carbon and | D-2 | SKD11 | 1.2379 | BD2 |
Tool Steels | H-13 | SKD61 | 1.2344 | BH13 |
(up to 1.50% Carbon) | M-2 | SKH51 | 1.3343 | BM2 |
O-1 | SKS21 | 1.2510 | BO1 | |
O-2 | SKS93 | 1.2842 | ||
S-7 | SKH3 | BT4 | ||
Stainless Steel | 303 | SUS303 | 1.4305 | 303S21
|
420 | SUS420J1 | 1.4021 | X20Cr13 | |
440C | SUS440C | 1.4125 |