Pearlitic Nodular Iron Rings, Pearlitic Iron Rings

• Casting Method: Special Casting
• Casting Form Material: Metal
• Casting Metal: Cast Iron
• Casting Form Usage Count: Semi-permanent
• Surface Treatment: Polishing
• Machining Tolerance: +/-0.01mm
• Standard: GB
• Certification: ISO 9001:2000, ISO 9001:2008
• Used for: Rolling Mill
• Transport Package: Steel Frame
• Specification: ISO
• Trademark: none
• Origin: China
• HS Code: 84553000
• Production Capacity: 20000tons/Year

Product Description

Pearlitic Nodular Iron Rings, Roll Rings

Applications: For roughing or finishing stands rolling mill of section mill, wire and rods, bars mills, finishing stands and back up rolls of strip and narrow strip mills,

Mechanical Property:

Mechanical Property	Centrifugal Castings	Static Castings
Hardness of Body	HSD50-80	HSD40-75
Hardness of Neck	HSD35-48	HSD-32-55
Tensile Srength of Core	>450MPa	>300Mpa

 





Chemical Analysis:
 

Grade	Hardness (HSD)	C	Si	Mn	Ni	Cr	Mo	Mg	P	S
SGI	40-55	3.2-3.7	1.0-2.5	0.5-1.0		0.2-0.6	0.2-0.6	>0.04	<0.2	<0.03
SGII	55-70	3.2-3.7	1.2-205	0.5-1.0		0.2-0.6	0.2-0.6	>0.04	<0.2	<0.03
SGIV	48-70	3.2-3.7	1.0-2.5	0.5-1.0	0.5-1.0	0.2-0.6	0.2-0.6	>0.04	<0.2	<0.03
SGV	48-70	3.2-3.7	1.0-2.5	0.5-1.0	1.0-3.0	0.3-1.2	0.2-0.8	>0.04	<0.2	<0.03
SGVI	42-52	2.9-3.5	1.5-2.4	0.4-0.8	1.0-2.5	0.1-0.5	0.4-0.8	>0.04	<0.2	<0.03
SGVII	55-75	2.9-3.5	1.5-2.4	0.4-0.8	2.5-.5	0.1-0.5	0.4-1.0	>0.04	<0.2	<0.03