Duplex Cast Steel Back-up Rolls

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Texture profile

Composite steel back-up roll bimetallic composite casting process to produce a full flush, the outer layer of high Cr content of 3-5% steel, mild steel core has good strength and toughness. Special casting process to ensure the outer layer and the core portion has a good metallurgical combine.

Kind of roll with a differential heat treatment process to obtain optimal organizational performance, the outer layer has a high, uniform hardness, high wear resistance. After the high temperature treatment of the barrel with a suitable level of stress.

Main application

• Backup rolls for finishing stands of hot strip mill.
• All kinds of cold rolling mill bearing rollers.
• Various types of plate, Stecket mill backup roll.
• Mill bearing rollers.

Performance Characteristics

• It has excellent resistance to contact fatigue performance.
• In various strip mill forged backup rolls exhibit comparable performance, cost-effective.
• Produce large diameter, heavy plate mill specifications support rollers.

Microstructure

The sinosteel xing machine can produce the biggest specifications composite cast steel backup roll for Φ 1800, net weight of 80 T

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Performance Indicators

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