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ROLL

Sun-Glare manufactures cast iron, cast steel & forged steel rolls. According to the kind of rolled stock and the rolling condition, we offer different materials such as high Ni-Cr centrifugal casting compound roll, high Cr iron roll, high Cr steel roll, high speed steel roll, alloy nodular cast iron roll, compound cast steel back-up roll, graphite steel roll, adamite roll, alloy steel roll, forged steel roll and forged steel back-up roll etc. used for bar & wire rod mill, hot strip mill, cold strip mill, PC mill, section mill, plate rolling mill and nonferrous mill etc. Our technicians are always ready to give suggestions on roll selection with their rich experience in this line. Grooved or patterned roll are provided as per customer’s request.

Cast Steel Roll

Type	Material	Hardness HS
Type	Material	Surf	Neck
High quality Carbon Steel	ZU70	32~42	≤42
	ZU70Mn	32~42	≤42
	ZU80	34~44	≤44
Alloy Steel	ZU60CrMnMo	32~42	≤42
	ZU65CrNiMo	35~45	≤45
	ZU70Mn2	34~44	≤44
	ZU70Mn2Mo	36~46	≤46
	ZU75CrMo	36~46	≤46
	ZU75CrNiMnMo	35~45	≤45
	ZU80Cr	38~48	≤48
Adamite	ZUB140CrMo	38~48	≤48
	ZUB140CrNiMo	35~45	≤45
	ZUB160CrMo	40~50	≤50

Forged Steel Roll

Material	Chemical Composition
Material	C	Si	Mn	Cr	W	Mo	V	Ni	Cu	S	P
8CrMoV	0.75~0.85	0.20~0.40	0.20~0.40	0.80~1.10	--	0.55~0.70	0.06~0.12	≤0.25		≤0.025
85Cr2MoV	0.80~0.90	0.15~0.40	0.30~0.50	1.80~2.40	--	0.20~0.40	0.05~0.15
9Cr2Mo	0.85~0.95	0.25~0.45	0.20~0.35	1.70~2.10	--	0.20~0.40	--
9Cr2W					0.30~0.60		--
9Cr2MoV					--	0.20~0.30	0.10~0.20
9Cr3Mo				2.50~3.50	--	0.20~0.40	--
9Cr2	0.80~0.95	≤0.40	≤0.40	1.30~1.70						≤0.03	≤0.03

Cast Iron Roll

	Single material	Hardness of roll surf HSD	Tensile strength N/mm2	Main Application
Chilled	Low-Cr-Mo	58~70	160	Semi-finishing and finishing of plate strip and wire
	Low-Ni-Cr-Mo	62~72	160	Medium and finishing rolling of plate bar wire
	Medium-Ni-Cr-Mo	64~74	160	Finishing rolling or plate wire strip and bar
	Semi-Hi-Ni-Cr-Mo	66~76	160	Finishing rolling or strip rod wire pre-finishing for Hi-speed wire rolling
	Hi-Ni-Cr-Mo	70~82	160	Medium and finishing for profile steel
Limitless	Cr-Mo	58~70	160	Medium and finishing for profile steel,bar
	Low-Ni-Cr-Mo	59~72	160	Finishing rolling for profile steel,merchant steel
	Medium-Ni-Cr-Mo	62~74	160	Finishing rolling for profile steel,strip,bar merchant
	Semi-Hi-Ni-Cr-Mo	64~76	160	Finishing rolling for profile steel,strp,bar merchant steel
	Hi-Ni-Cr-Mo	66~82	160	Finishing rolling for profile steel,strip,bar merchant steel
Nodular	Low-Cr-Mo Semi-chilled	40~52	300	Blooming roughing for section,bar,wire,strip
	Low-Cr-Mo	54~65	300	Roughing and medium rolling for section,bar ,strip,wire
	Limitless-Cr-Alloy	58~70	300	Medium and finishing rolling for section bar merchant steel
	Limitless-Low-Ni-Cr-Mo	59~70	320	Medium and finishing rolling for section bar merchant steel
	Limitless-Medium-Ni-Cr-Mo	62~72	320	Finishing rolling for section,bar,merchant steel
	Limitless -Semi-Hi-Ni-Cr-Mo	64~74	320	Finishing rolling for section,bar,merchant steel pre-finishing for Hi-speed wire rolling
	Acicular Nodular	55~85	500	Semi-finishing for seciton,rod,seamless pipe

Composite material (outer)		Hardness of roll surf HSD	Main Application
Chilled	Medium Ni-Cr-Mo	64~74	Finishing of steel Plate,Wire Rod,Strip
	Semi-high Ni-Cr-Mo	66~76	Finishing of steel Plate,Wire Rod,Strip
	High Ni-Cr-Mo	70~82	Finishing of steel Plate,Wire Rod,Strip
Limitless	Medium Ni-Cr-Mo	62~74	Semi-finishing? Finishing of Profile steel,Steel Bar
	Semi-high Ni-Cr-Mo	64~76	Semi-finishing? Finishing of Profile steel,Steel Bar
	High Ni-Cr-Mo	68~82	Finishing of steel Plate,Wire Rod,Tube
Nodular	Medium Ni-Cr-Mo	62~70	Semi-finishing & Finishing of Profile steel,Steel Bar,Wire Rod
	Semi-high Ni-Cr-Mo	64~72	Semi-finishing & Finishing of Profile steel,Steel Bar,Wire Rod
	High Ni-Cr-Mo	66~74	Semi-finishing & Finishing of Profile steel,Steel Bar,Tube
Acicular Nodular Iron	A	55~75	Pipe,Section Steel Bar,Semi-finishing
Acicular Nodular Iron	B	60~80	Pipe,Section Steel Bar,Semi-finishing
Hi-Cr Cast Iron	A	64~75	Section,Plate,Wire,Strip,Semi-finishing
Hi-Cr Cast Iron	B	70~95	Plate,Strip,Section Bar,Wire Pre-finishing Rolling

Core material	High Strength Iron	Nodular Iron	Acicular Nodular Iron
Core strength	>160N/mm2	>300N/mm2	>500N/mm2

Note: In addition to the listed products orders for the rolls made of other materials as per-customers request are acceptable.

Centrifugal Cast Roll

Variety	Outer Material	Hardness of roll surf HSD	Main Application
Compound Chilled Rolls	Low Ni-Cr-Mo Alloyed	60~70	Finishing of Wire
	Medium Ni-Cr-Mo Alloyed(1)	65~70	Finishing of Narrow Strip,Flat,Wire
	Medium Ni-Cr-Mo Alloyed(2)	70~80	Finishing of Narrow Strip,Flat,Wire
	High Ni-Cr-Mo Alloyed	75~85	Finishing of Narrow Strip,Flat,Wire
Compound Infinitude chilled Rolls or Sleeves	Cr-Mo Alloyed	60~70	Intermediate and Finishing of Section
	Low Ni-Cr-Mo Alloyed	60~70	Intermediate and Finishing of Section,Wire,Bar
	Medium Ni-Cr-Mo Alloyed	65~75	Intermediate anf Finishing of Section Narrow Strip,Wire,Bar,Tube
	High Ni-Cr-Mo Alloyed	70~80	Finishing of Narrow Strip,Wire
Compound Nodular Rolls or Sleeves	Cr-Mo Alloyed	55~65	Roughing and Intermediate of Section,Strip,Wire,Bar
	Low Ni-Cr-Mo Alloyed	55~65	Roughing and Intermediate of Section,Strip,Wire,Bar
	Medium Ni-Cr-Mo Alloyed(1)	55~60	Roughing and Intermediate of Section,Strip,Wire,Bar
	Medium Ni-Cr-Mo Alloyed(2)	65~75	Intermediate and Finishing of Section,Wire,Bar,Tube
High Cr Rolls	High Cr Alloyed	60~85	Finishing of Wire,Narrow Strip

Core Material	Strength, Gray Iron	Nodular Iron	Alloyed Nodular Iron
Tens, Strength	200-300MPa	300-400MPa	>400MPa