Nodular Cast Iron Roll for Steel Rolling Mill, Mill Roll, Rolling Mill Roll

• Casting Method: Conventional and Centrifugal Cast
• Casting Form Material: Metal
• Casting Metal: Cast Iron
• Casting Form Usage Count: Semi-permanent
• Surface Treatment: Polishing
• Surface Roughness: Ra1.6
• Model NO.: smrl
• Coating: Rust Proof Oil
• Machining Tolerance: +/-0.15mm
• Standard: GB
• Certification: ISO 9001:2000, ISO 9001:2008
• Size: as Per The Drawing
• Material: Nodular Cast Iron Roll
• Used for: Steel Rolling Mill
• Stands: Roughing, Intermediate, Finishing
• Transport Package: Steel Frame or Wooden Case
• Specification: as per the drawing
• Trademark: none
• Origin: China
• HS Code: 845530
• Production Capacity: 40000tons/Year

Product Description

 

Nodular Iron Roll

Mill rolls are the main spare parts and are consumed in a large amount for steel mills. We started our business first from this material since the inception. Now they are our star products. From many years' experience for the full production process, we provide our customers all the technology support from roll's melting, casting, forging, heat treatment, machining and packing. Now we have built up a world-wide reputation for carrying out both domestic and overseas markets. Our worldwide customers covered some multinational iron and steel groups in America, Southeast Asia and Europe. Our max export is 3600 tons in 2019.

 

Detailed Photos

 

 

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

 

Application

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

Packaging & Shipping