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Qingdao Hexin Machinery Co., Ltd.

Duplex Cast Steel Back up Roll, Heavy Forging Steel Back up Roll, Static Casting Steel Back up Roll manufacturer / supplier in China, offering Induction Hardened Back up Rolls, Petrochemical Intermediate Tube Sheet Bracket Great Quality, OEM High-Quality Heat Treatment Fixture Cast Tray and so on.

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Induction Hardened Back up Rolls

FOB Price: US $50-5,000 / Piece
Min. Order: 5 Pieces
Min. Order FOB Price
5 Pieces US $50-5,000/ Piece
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Port: Shanghai, China
Production Capacity: 50000 Pieces/Year
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: HX-12-007
  • Molding Style: Forging
  • Application: Machinery Parts
  • Heat Treatment: Annealing
  • Forging Tolerance: +/-0.5mm
  • Certification: CE, ISO 9001:2000, ISO 9001:2008
  • Trademark: HEXIN
  • Specification: 300*300
  • Processing Object: Metal
  • Molding Technics: Pressure Casting
  • Material: Steel
  • Surface Treatment: Passivation
  • Standard: AISI
  • Forging: Excellent Quality
  • Transport Package: Wooden Case
  • Origin: China
Product Description
Qingdao Hexin Machinery company offers back up rolls, such as: duplex cast steel back up roll, heavy forging steel back up roll, static casting steel back up roll, forged steel back up roll, rolling mill back up roll, hot rolling back up roll, alloy steel backup roll, hot strip backup roll, casting stainless steel backup roll.
Main application: used for cold rolling mill set
Material: forged steel (9Cr2Mo, 9Cr3Mo, MC3, MC5 and etc.)
Process flow: Mixture-Smelting-LF/VD-ingot-EDR-Heating-Forging-Heating after forging-rough machining-Tempering-Semi-precision machining-Induction heating-Cooling-Drawback-Precision machining--Packing
Specification of RollScope
Diameter of Barrel400~3500mm
Length of machining ≤20,000mm
ProcessForging, Casting
MaterialAlloy steel, Carbon steel, Iron, etc.
(86CrMoV7, 9Cr2Mo,9Cr3Mo, 70Cr3Mo,MC3,MC5,SHSS...)
Barrel hardnessWork roll:  ≥ 95HSD, 90~96HSD, 70-90HSD
Neck hardness 30~50HSD, 50~65HSD, 75-90HSD
Barrel hardness evenness≤3HSD
Hardness depth of barrel(one side)12~18mm(2%Cr series), 18~35mm(3%Cr series),
20~40mm(5%Cr series)
Induction Hardened Back up RollsInduction Hardened Back up RollsInduction Hardened Back up Rolls
About us

Qingdao Hexin Machinery Co., Ltd is a world leading manufacturer&supplier for forged cold mill rolls and all kinds of roll tooling.
Hexin possesses more than 300 units of advanced production equipment and complete quality testing devices, such as Large NC horizontal lathe, NC roll grinding machine,intermediate frequency, line frequency and duel frequency hardening equipment and the supporting facilities used for preheating, tempering and subzero treatment, direct-reading spectrometer, desktop hardness tester, HLV hardness tester,metalloscope,ultrasonic flaw detector, digital flaw detector, surface wave detector and other testing device,measuring and testing reach the standard of national level three standard.
Our professional engineers provide our customers with reliable terminal service,
 escort our customers with thorough quality system and considerate pre-sale, in-sale and after-sale service.
Induction Hardened Back up Rolls

Induction Hardened Back up Rolls
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Induction Hardened Back up Rolls

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