Changzhou Ruihong Roll co.,ltd

Addition of nickel, chromium, molybdenum nodular cast iron, through a special heat treatment to obtain the pearlite ductile iron roll. Pearlitic nodular cast iron roll has good strength, high temperature performance and anti accident performance, small drop of hardness on the work layer.

1、化学成份

轧辊名称	代码	C	Si	Mn	P	S	Ni	Cr	Mo	Mg
珠光体球墨Ⅰ	SGPⅠ	2.90- 3.60	1.40- 2.20	0.40- 1.00	≤0.15	≤0.03	1.50- 2.00	0.10- 0.40	0.20- 0.60	≥0.04
珠光体球墨Ⅱ	SGPⅡ	2.90- 3.60	1.20- 2.00	0.40- 1.00	≤0.15	≤0.03	2.01- 2.50	0.20- 1.00	0.30- 0.80	≥0.04
珠光体球墨Ⅲ	SGPⅢ	2.90- 3.60	1.00- 2.00	0.40- 1.00	≤0.15	≤0.03	2.51- 3.00	0.20- 1.20	0.30- 0.80	≥0.04

2、物理性能

代码	辊身硬度（HSD）	抗拉强度（MPa）	用途
SGPⅠ	45—55	≥450	方/板坯初轧轧机、大中型型钢、线材、窄带钢轧机

keyword:mill roll,cast iron roll,