655M13欧洲进口渗碳合金钢现货供应
655M13优质合金钢明富钢材全国供货
欧洲标准合金钢655M13规格齐全大批现货直销
明富钢材优质销售---655M13表碳硬化合金钢C. Si. Mn. Ni. Cr.
明富钢材优质销售---655M13表碳硬化合金钢0.15% 0.25% 0.50% 3.50% 0.90%
明富钢材优质销售---655M13表碳硬化合金钢655M13 is an alloy case hardening steel. Characteristics of the 655M13 steel specification are toughness arising from the use of nickel and a more uniform hardness produced by the use of chromium. 655M13 is specifically designed for carburising to give a very hard case with a strong core