... , ASTM A519 , ASTM A576 , ASTM A682 , FED QQ-S-635 (C1045) , FED QQ-S-700 (1045) , SAE J403 , SAE J412 , SAE J414 ... : 1045, 1049, 1039, 1040, 1042, 1043, 1045.Japan: JIS S 45C , JIS S 48 C Chemical Composition(%):Carbon 0.43-0.50 ... /water, oilTempering:550 - 660°CTreated for cold shearability +S:max. 255 HBSoft annealed +A:max. 207 HB SIZE RANGE:Round:Hot Rolled: 10mm ...