Furnace Cantilever Roller

Furnace Cantilever Roller
Product Introduction:
Material Options: Economy type: ZG40Cr25Ni20Si2 (2520), Long-term ≤1100°C; High-temperature heavy-load type: ZG40Cr28Ni48W5Si2 (2848W5), Long-term ≤1150°C
Room Temperature Hardness: HB 220~270
Precision Requirements: Roll body outer diameter runout ≤0.04mm; Inner hole concentricity ≤0.03mm
Casting Requirements: Precision casting; No penetrating porosity or cracks allowed
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Description
Technical Parameters
 
Furnace Cantilever Roller Specification Table
 

Parameter

Content

Material Options

Economy type: ZG40Cr25Ni20Si2 (2520), Long-term ≤1100°C; High-temperature heavy-load type: ZG40Cr28Ni48W5Si2 (2848W5), Long-term ≤1150°C

Room Temperature Hardness

HB 220~270

Precision Requirements

Roll body outer diameter runout ≤0.04mm; Inner hole concentricity ≤0.03mm

Casting Requirements

Precision casting; No penetrating porosity or cracks allowed

Inspection Standard

100% Magnetic particle inspection

Surface Requirements

Working surface Ra ≤6.3μm; No steel sticking or peeling

 

High-Temperature Conveying Component

This product is a key conveying part inside the reheating furnace. It works under extremely high temperatures. Its job is to support and convey steel billets. We use heat-resistant alloy material for this product. We offer two material solutions. Option one is the economy type ZG40Cr25Ni20Si2. It works below 1100°C for long periods. Option two is the high-temperature heavy-load type ZG40Cr28Ni48W5Si2. It works at 1150°C for long periods. Our factory has precision casting capabilities. We produce high-quality heat-resistant steel castings. The Furnace Cantilever Roller is built for high-temperature reliability.

Hardness and Precision Requirements

Room temperature hardness for both materials is HB 220 to 270. This hardness gives the cantilever roller some wear resistance. Roll body outer diameter runout is controlled within 0.04mm. Inner hole concentricity is controlled within 0.03mm. These precision levels ensure smooth operation inside the furnace. We use precision casting processes. We ensure no penetrating porosity or cracks in the casting. We do 100% magnetic particle inspection before shipment. We ensure no surface or near-surface defects. Every Furnace Cantilever Roller meets these strict standards.

Surface Quality and Anti-Sticking Performance

Working surface roughness for this product is controlled at Ra ≤ 6.3μm. A smooth working surface does not stick to steel easily. We require no steel sticking or peeling on the working surface. Steel sticking affects billet conveying. This product has been used in reheating furnaces at many steel mills. Users report stable high-temperature performance. We have deep experience in heat-resistant steel casting. Our products withstand long-term high-temperature use. The Furnace Cantilever Roller delivers consistent performance.

Assembly Services and Support

We also offer assembly services for this product. We deliver the roller sleeve and shaft pre-assembled. Our technical team measures installation dimensions on-site. We ensure new cantilever rollers perfectly match your existing furnace. Choose our Furnace Cantilever Roller for reliable furnace conveying.

 

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