PRODUCTS
CHQ WIRE
Use (Fasteners)
Use (Automotive Parts)
Available steel grades
| Specification | Steel grade | DA Process |
|---|---|---|
| Carbon steel for cold heading | SWCH 6A ~22A | H/D, (S)AIP, SAIP, PASAIP, PSASAIP |
| SWCH 20K(F) ~ 45K(F) | H/D, (S)AIP, SAIP, PASAIP, PSASAIP | |
| Carbon steel for machine structures | S10C ~ 55C | H/D, (S)AIP, SAIP |
| Alloy steel | SCM 415, 435, 440, AISI 4140 | (S)AIP, PASAIP, PSASAIP |
| H steel | SCM 415H ~ SCM 440H | (S)AIP, PASAIP, PSASAIP |
| Etc. | POSA 1021B, POSA 5120B, SCR 420B AISI 51B20~51B35, SAE 10B21~10B35 |
H/D, (S)AIP, SAIP, PASAIP, PSASAIP |
Quality guarantee scope
| Specification | Steel grade | DA Process | ||
|---|---|---|---|---|
| Tolerance | Roundness | DM - F | DM - T | |
| 4.00 ~ 4.90 | -0.02 | 0.010 ↓ | 0.02 ↓ | 0.15 ↓ |
| 5.00 ~ 14.99 | -0.03 | 0.015 ↓ | ||
| 15.00 ~ 24.99 | -0.04 | 0.020 ↓ | 0.03 ↓ | 0.20 ↓ |
| 25.00 ~ 31.99 | -0.05 | 0.025 ↓ | 0.04 ↓ | 0.20 ↓ |
| 32.00 ~ 41.00 | -0.06 | 0.025 ↓ | 0.05 ↓ | 0.20 ↓ |