Thereare different specification of the middle roll. They are semi-finished products, and the specification is from dia. 61mm to dia. 600mm.
We can supply the middle roll at the surface hardness of HSD75-85. And in one work roll the hardness error is lessthen 3HSD. The depth of the hardness is more than 80mm at radius in material Cr12%. The material of those working rolls are Cr3, Cr5, Cr8 or Cr12. This work roll is used in cold reduction mill of 12 to 20 roller.
And generally speaking, the price quotation is in acdordance with the customers' drawings and the weights of the products.
Wuxi Huake Special Steel Co. Ltd is established by senior profession in rolled field of our country Mr. Zhang Weixin in 2004, which specialized in roller production of all kinds of model and material. Our products including forged steel work roll, middle roll and back-up roll, strengthening roll, pinch roll. The diameter of the rollers varies from 20mm to 1500mm. We can produce the rollers according to the customers' needs. The chemical composition of our products including Cr, Mo, C, Mn, Ni, V, W, Co. At the same time, We have passed ISO9001 quality system certification. Our idea is "the customer is supreme, the price reaconable, the quality excellent. "
