Forged steel back-up roll is mainly used in 4-Hi mill and 6-Hi mill. The diameter of roll barrel is 350~1400mm. The material of back-up roll includes 60CrMo, 9Cr2Mo, 86CrMoV7, 70Cr3Mo etc. The main types of mills: back-up roll of 650mm Mill, 900mm Mill,1050mm Mill, 1250mm Mill, 1450mm Mill.
We cooperate closely with lots of mill design companies for the supply of 650mm Mill, 900mm Mill, 1050mm Mill, 1250mm Mill,1450mm Mill.
Roll main size |
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OD360×L1500 |
OD400×L1000 |
OD450×L1200 |
OD480×L800-1500 |
OD510×L800-1600 |
OD550×L1500 |
OD560×L1530-2000 |
OD610×L1730-2500 |
OD650×L2130 |
OD660×L2130-3000 |
OD700×L2500-3500 |
OD800×L2500-4000 |
OD930×L2500-4000 |
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Process |
Vertical Centrifugal Cast, CNC machining(turning, milling, drilling) |
Material |
The material include s355JR,S355NL,S355NL,S275JR,4OCrNiMoA,1Cr18Ni9Ti, 430,440,1008,1020,20NiCrMo,42CrMo4 |
surface treatment |
Polishing,sandblasting,anodizing,brushing,powder coating,electroplating,zinc plating,silk-screen |
Standard |
DIN GB ISO JIS BA ANSI |
Test equipments |
Spectrograph, Physicochemical room, Hardness Meter, Coordinate Measuring machine(CMM) |
Casting equipments |
intermediate frequency furnaces, high frequency furnaces, vacuum investment melting furnaces. |
Packaging Details |
wooden case for export |
Delivery Detail |
30-45 days after deposit |
Process |
Vertical Centrifugal Cast, CNC machining(turning, milling, drilling) |
Material |
The material include s355JR,S355NL,S355NL,S275JR,4OCrNiMoA,1Cr18Ni9Ti, 430,440,1008,1020,20NiCrMo,42CrMo4 |
surface treatment |
Polishing,sandblasting,anodizing,brushing,powder coating,electroplating,zinc plating,silk-screen |
Standard |
DIN GB ISO JIS BA ANSI |
Test equipments |
Spectrograph, Physicochemical room, Hardness Meter, Coordinate Measuring machine(CMM) |
Casting equipments |
intermediate frequency furnaces, high frequency furnaces, vacuum investment melting furnaces. |
Packaging Details |
wooden case for export |
Delivery Detail |
30-45 days after deposit |
Manufacture drawing |
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Process schedule with ETD date |
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QC checking of each process |
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Checking report |
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Photos &videos of each process |
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ISO 9001 certificate |
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Warranty Time |
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The third party Checking |
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We Checking report and certificate Material Report; Hardness Report;
UT/MT Report;Dimensions checking report; Mechanical Property Test Report
Form E, Form A, CO.
1. who are we?
We are based in beijing, China, start from 2000,sell to Domestic Market(36.00%),Eastern Europe(16.00%),Southeast Asia(36.00%),South America(12.00%),South Asia(2.00%). There are total about 51-100 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3. what can you buy from us?
Roll and Rollers.
4. why should you buy from us not from other suppliers?
We have rich experience on casting, forging and heat treatment.
5. what services can we provide?
Accepted Delivery Terms: FOB, CFR, CIF,E XW, FAS, CIP, FCA, CPT, DEQ, DDP, DDU, Express Delivery, DAF, DES;
Accepted Payment Currency:USD,EUR,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A,Western Union;
Build the enterprise quality culture of customer oriented, requirement met and expection surpassed; Implements the quality management concept of Prevention First, and reinforces the quality planning and process control in prophase management; Establishes 6Sigma mechanism for continuous improving, uses DMAIC 5steps, effective methods to optimize organization to reach the goal of high customer satisfaction and low cost.
Excellent Service
Do reply fast, high efficiency.
The customer is supreme!