O1/GS-300/SKS3/1.2510
Product Introduction
Grade and Composition
| GMTC | ES3 | 
| AISI | O1 | 
| DIN | 1.2510 | 
| JIS | SKS3 | 
| C | 0.90~1.00 | 
| Si | Max0.35 | 
| Mn | 0.90~1.20 | 
| P | Max0.030 | 
| S | Max0.030 | 
| Cr | 0.50~1.00 | 
| W | 0.50~1.00 | 
Specification
● AISI O1-(ASTM A681)
● SKS3-(JIS G4404)
● DIN 1.2510-(EN ISO 4957)
● SKS3-(JIS G4404)
● DIN 1.2510-(EN ISO 4957)
Applications
● O1/GS-300/SKS3/1.2510 cold work tool steel has excellent dimensional stability and is 
suitable for making wear-resistant and non-deformed cold work tools, such as:
● Tool—punch、measuring tool、taps、cutting tool
● Steel pipe—forming rollers
suitable for making wear-resistant and non-deformed cold work tools, such as:
● Tool—punch、measuring tool、taps、cutting tool
● Steel pipe—forming rollers
Sales regions
● Round Bar:Taiwan、Vietnam
● Flat Bar: Taiwan、Vietnam
● Flat Bar: Taiwan、Vietnam





