Mill Rolls

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Mill	Application		Material	Product Specification
Hot Strip Mill	Large-sized vertical roll		Special alloy cast steel, Adamite	All Sizes
	Small-sized vertical roll		Adamite, HCr iron
	Roughing work roll		Special alloy cast steel,  Adamite, HCr steel, Semi-HSS,  HCr iron
	Finish rolling	Early stand work  roll	HCr iron, HSS
		Later stand work  roll	ICDP, HSS
	Finishing back-up roll		Duplex cast steel	D≤￠2000，W≤80t
			Alloy forged steel	D≤￠2000，W≤75t
	Temper rolling	Work roll	HCr iron	All Sizes
			Alloy forged steel
		Back-up roll	ICDP
			Duplex cast steel	D≤￠2000，W≤80t
			Alloy forged steel	D≤￠2000，W≤75t
CSP	Vertical Roll		Adamite, Special alloy cast steel, HCr iron	All Sizes
	Roughing work roll		Semi-HSS, HCr steel
	Finish rolling	Early stand	HCr iron, HSS
		Later stand	ICDP, HSS
	Roughing & Finishing back-up roll		Duplex cast steel	D≤￠2000，W≤80t
			Alloy forged steel	D≤￠2000，W≤75t
Steckel Mill	Vertical roll		Adamite, Special alloy cast steel	All Sizes
	Roughing work roll		ICDP, HCr iron
	Finishing work roll		HiCr iron, ICDP
	Back-up roll		Duplex cast steel	D≤￠2000，W≤80t
			Alloy forged steel	D≤￠2000，W≤75t
Plate & Heavy plate mill	Rough rolling	2-hi work roll	Special alloy cast steel, Tool steel	All Sizes
		4-hi work roll	HCr iron, ICDP
	Finishing work roll		HCr iron, ICDP
	Single stand work roll		HCr iron, ICDP
	Back-up roll		Duplex cast steel	D≤￠2000，W≤80t
			Alloy forged steel	D≤￠2000，W≤75t
Cold strip mill & Single stand cold mill	Work roll		Alloy forged steel	All Sizes
	Intermediate roll		Alloy forged steel
	Temper roll		Alloy forged steel
	Back-up roll		Duplex cast steel	D≤￠2000，W≤80t
			Alloy forged steel	D≤￠2000，W≤75t
Large-sized universal structural mill	Break-down roll		Special alloy cast steel, alloy nodular iron	All Sizes
	Horizontal collar		High carbon adamite (duplex)
	Vertical collar		High carbon adamite, HCr iron
	Edger roll		High carbon adamite
	Shaft		Alloy forged steel

 

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