Shanghai Shanyi Metallurgical Technology Co., Ltd.
Products
Contact Us
  • Contact Person : Mr. li yijun
  • Company Name : Shanghai Shanyi Metallurgical Technology Co., Ltd.
  • Tel : 0086-21-60869209
  • Fax : 0086-21-60869259
  • Address : Shanghai,Baoshan,Rm901,906,907,Building 9th,Baoling-Center,Lane 903 of Shuangcheng Road,Baoshan District,Shanghai
  • Country/Region : China
  • Zip : 200940

Work Roll

Work Roll
Product Detailed
work roll is with highest efficiency,optimal performance tool of the mill.

Trade mark                                                 Chemical Composition %

                                   C                   Cr                  Ni                Mo                  V                 W                 Co

High-speed steel     1.5-3.5        2.0-7.0            <2.0          2.0-7.0          4.0-10.0      4.0-10.0       0-10

Mechanical property

Position                        Item                                  Parameter

Outside Layer          Rigidity(HSC)                           75-90

Outside Layer          Tensile strength(Mpa)             2500-3200

Outside Layer          Tensile strength(Mpa)             700-1000

Integrating section   Tensile strength(Mpa)            500-700

Core                          Tensile strength(Mpa)            700-1000

Visual requirement of roll

1)roll surface shall free from defects

2)Casting defects seen with naked eyes are not allowed on the surface of the roll

3)The roll with casting defects on the surface of non-working area,if not affecting usage,can be negotiated with purchaser for delivery

4)Casting defects like discontinuous sand hole ,air hole or porosity existing at the edges of roll,surface of journals,plum head,flat head,shaft of operator side,shall be repaired,the roughness after repairing shall conform to drawing requirement.

Work Roll



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