... S50C,P20,2738,S55C,718,S136,2316,NAK80Core Steel:45#,S50C,P20,2738,S55C,718,S136,2316,NAK80Cavity ... Steel:45#,S50C,P20,H13,718,2738,ETCMould base ... advantages of high precision long life and short cycle with reasonable price,prompt delivery.4.Mould design is ... as per requirement. P20/718H/H13/S136 steel PP/PC/PS/ABS/PE injection car battery box mould&mold 2 ...