GB 11352 | ZG200-400, ZG-230-450, ZG-270-500, ZG310-570, ZG340-640 |
DIN EN 10293 | GE200(1.0420), GE240(1.0446), GE300(1.0558) |
JIS G5101 | SC 360, SC 410, SC 450, SC 480 |
ASTM A27 | Grade N-1, Grade N-2, Grade U-60-30, Grade 60-30, Grade 65-35, Grade 70-36, Grade 70-40. |