P20 steel bar supply plastic mould steel Steel Grade: Plastic mould steel Standard: AISI, ASTM, BS, DIN, GB, JIS Dimensions: Dia:Max ... Is Alloy Special Use: Mold Steel Type: Alloy Steel Bar Name: Forged 1.2311 Round Bar Shape: steel plate/flat bar/round bar ... confirmed songshun010 Dongguan songshun mould steel CO.,LTD. songshun P20 steel Tel: 86-769-85475596 songshun P20 steel Fax: 86-769-82285809 ...