Nodular Iron (SGP) Rolls for Tube Mill

• Casting Method: Sand Casting or Special Casting
• Casting Form Material: Metal
• Casting Metal: Cast Iron
• Casting Form Usage Count: Semi-permanent
• Surface Treatment: Polishing
• Surface Roughness: as Drawing
• Model NO.: CY1206SR008
• Coating: as Drawing
• Machining Tolerance: as Drawing
• Standard: GB
• Certification: CE, ISO 9001:2000, ISO 9001:2008
• Size: φ200-φ1500
• Material1: Cast Iron, Semi Steel, Alloy Steel
• Material2: Chilled Cast Iron, Indefinite Chill Cast Iron,
• Material3: Ductile Iron,High Chromium Cast Iron,HSS
• Material4: Casting Cr3, Cr5
• Material5: Forging Cr3, Cr5, Cr8
• Transport Package: Metal Pallet or Wooden Case
• Specification: AS Drawing
• Trademark: Changyear
• Origin: China
• HS Code: 84553000
• Production Capacity: 5000PCS/Year

Product Description

Product Description

Alloy ductile iron roll is characterized by the ball-shaped graphite in the matrix, through adjusting the compositions of Ni, Cr, Mo adopting different heat treatment technology, pearlitic ductile iron and acicular constitution and different performance of anti-heat impact and resistance to wear.

Product Parameters

Chemical Composition

		Grade	C	Si	Mn	P	S	Cr	Ni	Mo	Mg
Centrifugal	Static	SGP I	2.90-3.60	1.40-2.20	0.40-1.00	≤0.15	≤0.030	0.10-0.60	1.50-2.00	0.20-0.80	≥0.04
		SGP II	2.90-3.60	1.40-2.20	0.40-1.00	≤0.15	≤0.030	0.20-1.00	2.01-2.50	0.20-0.80	≥0.04
		SGP III	2.90-3.60	1.40-2.20	0.40-1.00	≤0.15	≤0.030	0.20-1.20	2.51-3.00	0.20-0.80	≥0.04
		CORE	2.90-3.70	1.40-2.60	0.50-1.00	≤0.15	≤0.030	≤0.08	≤0.15	≤0.50	≥0.04

Mechanical Properties

Tensile Strength (kg/mm²)	450-600
Bending Strength (kg/mm²)	800-1000
Elongation (%)	0.2-0.5