Irregular shape requested by customer order.
Available sizes: CNS: 1. Carbon steel: (1) 8684: SWRCH8R~SWRCH10R, SWRCH8A~SWRCH15A. (2) 3892: SGDA , SGDA; SGDI~SGD4. 9276: SGD290-D, SGD400-D; 3828: S15C~S55C. 2. Alloy steel: a: 3271: SMCM220. b: 3229: SCM415~SCM440. 3. express cut steel: 4004: SUM23, SUM24L.