Alloy Cast Steel Roll

Chemical Analysis

Designation of rolls	Material code	C	Si	Mn	Ni	Cr	Mo
Zu60CMoMn	AS60	0.55-0.65	0.20-0.45	0.90-1.20		0.80-1.20	0.20-0.45
Zu60CMoMnNi	AS60Ⅰ	0.55-0.65	0.20-0.60	0.50-1.00	0.20-1.50	0.80-1.20	0.20-0.60
Zu65CrNiMo	AS65Ⅰ	0.60-0.70	0.20-0.70	0.50-0.80	0.20-0.50	0.80-1.20	0.20-0.45
Zu70Mn	AS70	0.65-0.75	0.20-0.45	0.80-1.40
Zu70Mn2	AS70Ⅰ	0.65-0.75	0.20-0.45	1.40-1.80
Zu70Mn2Mo	AS70Ⅱ	0.65-0.75	0.20-0.45	1.40-1.80			0.20-0.45
Zu75CrMo	AS75	0.70-0.80	0.20-0.45	0.60-0.90		0.75-1.00	0.20-0.45
Zu75CrNiMnMo	AS75Ⅰ	0.70-0.80	0.20-0.70	0.70-1.10	≥0.20	0.80-1.50	0.20-0.60

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Physical Properties

Designation of rolls	Material code	Barrel hardness（HSD）	Neck hardness (HSD)	Tensile strength (Mpa
Zu60CMoMn	AS60	35-50	≤45	＞650
Zu60CMoMnNi	AS60Ⅰ	35-45	≤45	＞750
Zu65CrNiMo	AS65Ⅰ	35-45	≤45	＞750
Zu70Mn	AS70	35-42	≤45	＞650
Zu70Mn2	AS70Ⅰ	35-45	≤45	＞680
Zu70Mn2Mo	AS70Ⅱ	35-45	≤45	＞700
Zu60CMoMn	AS75	35-50	≤45	＞700
Zu60CMoMnNi	AS75Ⅰ	35-50	≤45	＞800

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Microstructure

Microstructure of working layer in the barrel: pearlite or tempered sorbite

Application

Designation of rolls	Material code	Application
Zu60CMoMn	AS60	Bar, wire, strip, strip, steel roughing
Zu60CMoMnNi	AS60Ⅰ	Bar, wire, strip, strip, steel roughing
Zu65CrNiMo	AS65Ⅰ	Bar, wire, strip, strip, steel roughing
Zu70Mn	AS70	Bar, wire, strip, strip, steel roughing
Zu70Mn2	AS70Ⅰ	Bar, wire, strip, strip, steel roughing
Zu70Mn2Mo	AS70Ⅱ	Bar, wire, strip, strip, steel roughing
Zu60CMoMn	AS75	Bar, wire, strip, strip, steel rough rolling, narrow steel support rollers
Zu60CMoMnNi	AS75Ⅰ	Bar, wire, strip, strip, steel rough rolling, narrow steel support rollers

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