Large Cold Rolling Mill Work Roll
This cold rolling mill intermediate roll applies to high precision rolling mill with 6 rolls, as well as a few mills with 8 rolls. It is named based on its working location between the work roll and back-up roll, mainly used to control the shape of plate. This product is commonly made of the steel with 2%Cr, 3%Cr and 5%Cr, as well as the semi high speed steel. Its hardness generally ranges from 70 to 85HSD. The difference on hardness of the product with the work roll is about 10 to 15HSD.
Large Forged Steel Backup Roll
This cold rolling back-up roll made of forged steel is mainly used for the ordinary rolling mills with 4 rolls and 6 rolls. The diameter of the product ranges from 350 to 1400mm. The product often uses the materials including the 60CrMo, 9Cr2Mo, 86CrMoV7, 70Cr3Mo, etc. Related to the hardening methods and materials, the depth of the hardening layer is in the scope of 15 to 40mm. With certain difference with the work roll, this product works with the hardness ranging from 60 to 80HSD.
This back-up roll is mainly suitable for 650mm mill, 900mm mill, 1050mm mill, 1250mm mill and1450mm mill.
We cooperate with lots of mill designing companies for the supply of 650mm mill, 900mm mill, 1050mm mill, 1250mm mill and 1450mm mill, such as Xi'an Kairui, AT&M, CISDI, WISDRI, XHMRI, etc.
Luoyang Zhongrong Machinery Equipment Co., Ltd was founded in 2007 and located in Luoyang whis is famous for heavy industry and peony of China.
Zhongrong is specializing in manufacture and export of machinical equipment and parts, hydraulic equipment and parts, casting pieces and forging pieces that apply for milling, cement, industry, engineering systerm, metallurgy, coal, automation drive and etc.
Zhongrong has builded business cooperation with clients from Asia, South-Africa, Oceania, Europer, North-America and South-America. We looking forwarder to cooperating and prospering with you and warmly welcom to visit us.
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