明富钢材优质供应---工程钢EN30B TYPICAL ANALYSIS
明富钢材优质供应---工程钢EN30B Mn Ni. Cr. Mo.
明富钢材优质供应---工程钢EN30B 0.50% 4.25% 1.20% 0.30%
明富钢材优质供应---工程钢EN30B EN30B is a 4?% nickel air/oil hardening steel. It achieves a good through hardness with high strength and toughness. It is capable of taking a good polish and is widely used as a plastic mould steel