High Strength Sga Roll for Hot Rolling Mill

• Customization: Available
• After-sales Service: Technique Support and Site Visit
• Warranty: 1 Year
• Model NO.: As Per Requirement Drawing
• Customized: Customized
• Condition: New
• Power Source: Electric
• Automatic Grade: Automatic
• Type: Two-Roll Cold-Hot Mill
• Certification: ISO
• Material: Graphite Cast Iron
• Transport Package: as Per Customer Requirement
• Specification: Customized
• Trademark: TX
• Origin: China
• HS Code: 8455300000
• Production Capacity: 50000 PCS Per Year

Product Description

Unit price will be decided by engineering drawing.

Introduction:
Acicular spheroid graphite cast iron roll is added with Ni, Cr, Mo to change the matrix into the acicular micro structure. Compared with Spheroid Graphite Pearlite Roll, SGA has better strength, toughness, and wear resistance.



Manufacturing Process:




Material and Properties:

Grade	C	Si	Mn	Cr	Ni	Mo	Nb	Hardness (HS)	Tensile Strength (MPa)
SGA I	2.90/3.60	1.20/2.20	0.20/0.80	0.20/1.00	2.50/3.00	0.50/1.00	-	60/80	>230
SGA II	2.90/3.60	1.00/2.00	0.20/0.80	0.30/1.50	2.50/4.50	0.50/1.00	-	70/82	>230
SGA III	2.90/3.60	1.00/2.00	0.20/0.80	0.30/1.50	2.50/4.50	0.50/1.00	0.40/1.20	72/85	>230

 

Microstructure:


Applications:
Intermediate and finishing stands of bar, rebar, wire rod and medium section mills.
Forming, sizing, reducing and straightening rolls for pipe and tube mills.
Sleeves for Universal finishing stands (Horizontal & Vertical).

Photograph: