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High-Speed Steel | SG Iron | High-Cr | Alloy Steel | Semi-Steel — 10+ Material Grades for Wire Rod, Bar, Strip & Section Mills

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1992

Zhonghang Roll — Rolling Since 1992
10+

10+ Material Grades for Every Rolling Stage
15,000+

15,000+ Tons Annual Production Capacity

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Metallurgical Rolls Since 1992 — One of China's Earliest Roll Manufacturers

One of China's First Metallurgical Roll Manufacturers

ISO-Certified
Globally Exported

Explore Our Complete Range of Metallurgical Rolls

Tailored Solutions — From Your Drawings to Your Mill

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Our Products - Metallurgical Rolls Manufacturer

Ductile Infinite Chilled Hard Cast Iron Rolls Grade IV (SGIV) for Bar Mill

Hardness HSD: 55-70 Nickel composition %: 0.5-1.0 Suitable for racks: Roughing Usage: Roughing and intermediate stands of bar and wire mills, section mills

Ductile Infinite Chilled Hard Cast Iron Rolls Grade IV (SGIV) for Bar Mill

Ductile Infinite Chilled Hard Cast Iron Rolls Grade V (SGV) for Section Mill

Hardness HSD: 60-70 Nickel composition %: 1.01-2.0 Suitable for racks: Chinese steel rolling Usage: Intermediate stands of section mills, bar mills, and wire mills.

Ductile Infinite Chilled Hard Cast Iron Rolls Grade V (SGV) for Section Mill

High Strength Pearlitic Ductile Iron Roll Grade I (SGPI) for Roughing Mill

Hardness HSD: 45-55 Nickel composition %: 1.5-2.0 Suitable for racks: Roughing Usage: Roughing and slabbing mills; large, medium section mills, wire mills, and narrow strip mills.

High Strength Pearlitic Ductile Iron Roll Grade I (SGPI) for Roughing Mill

Pearlitic Ductile Iron Roll Grade II (SGPII) for Intermedium Mill

Hardness HSD: 55-65 Nickel composition %: 2.01-2.5 Suitable for racks: Chinese steel rolling

Pearlitic Ductile Iron Roll Grade II (SGPII) for Intermedium Mill

Pearlitic Ductile Iron Roll Grade III (SGPIII) for Finishhing Mill

Hardness HSD: 62-72 Nickel composition %: 2.51-3.0 Suitable for racks: Refined and rolled

Pearlitic Ductile Iron Roll Grade III (SGPIII) for Finishhing Mill

Spiculate Bainitic Nodular Cast Iron Rolls Grade I(SGAI) for Pre-finishing Stand

Hardness HSD: 55-78 Nickel composition %: 3.01-3.5 Suitable for racks: refined and rolled Usage: Blooming and slabbing mills; large, medium, small section mills, wire mills, and narrow strip mills;pre

Spiculate Bainitic Nodular Cast Iron Rolls Grade I(SGAI) for Pre-finishing Stand

High Nickel Spiculate Bainitic Nodular Cast Iron Rolls Grade (Centrifugal)SGAII

Hardness HSD: 60-80 Nickel composition %: 3.51-4.5 Suitable for racks: refined and rolled

High Nickel Spiculate Bainitic Nodular Cast Iron Rolls Grade (Centrifugal)SGAII

Infinite Chilled Hard Cast Iron Roll Grade II (ICII) for Small Section Mill

Hardness HSD: 55-72 Nickel composition %: 1.01-2.0 Suitable for racks: roughing Usage: Small section mills, narrow strip mills.

Infinite Chilled Hard Cast Iron Roll Grade II (ICII) for Small Section Mill

High Nickel Infinite Chilled Hard Cast Iron Roll Grade IV (ICIV)

Hardness HSD: 70-83 Nickel composition %: 3.01-4.8 Suitable for racks: refined and rolled Usage: Plate mills, temper mills, hot strip mills.

High Nickel Infinite Chilled Hard Cast Iron Roll Grade IV (ICIV)

Infinite Chilled Hard Cast Iron Roll Grade III (ICIII)for Narrow Strip Mill

Hardness HSD: 65-78 Nickel composition %: 2.01-3.0 Suitable for racks: refined and rolled

Infinite Chilled Hard Cast Iron Roll Grade III (ICIII)for Narrow Strip Mill

Infinite Chilled Hard Cast Iron Roll Grade V (ICV) for Finishing Work Roller

Hardness HSD: 77-85 Nickel composition %: 3.01-4.8 Suitable for racks: refined and rolled

Infinite Chilled Hard Cast Iron Roll Grade V (ICV) for Finishing Work Roller

Chilled Hard Cast Iron Roll Grade III (CCIII) with High Hardness 65-80 HSD

Hardness HSD: 65-80 Nickel composition %: 2.01-3.0 Suitable for racks: refined and rolled Usage: Small section mills, wire mills, hot sheet mills, temper mills.

Chilled Hard Cast Iron Roll Grade III (CCIII) with High Hardness 65-80 HSD

Chilled Hard Cast Iron Roll Grade IV (CCIV) for Wire Mill

Hardness HSD: 70-85 Nickel composition %: 3.01-4.5 Suitable for racks: refined and rolled

Chilled Hard Cast Iron Roll Grade IV (CCIV) for Wire Mill

Centrifugal Casting High Chromium iron Rolls Grade I (HCrI)

Hardness HSD: 60-75 Nickel composition %: 0.7-1.7 Suitable for racks: refined and rolled Usage: Hot strip mills, edge roll mills, temper roll mills and medium plate mills; cold strip mills; section un

Centrifugal Casting High Chromium iron Rolls Grade I (HCrI)

High Chromium iron Rolls Grade III (HCrIII) with High Hardness 75-90 HSD

Hardness HSD: 75-90 Nickel composition %: 0.7-1.7 Suitable for racks: refined and rolled

High Chromium iron Rolls Grade III (HCrIII) with High Hardness 75-90 HSD

High Chromium iron Rolls Grade II (HCrII) for Temper Work Roll

Hardness HSD: 65-80 Nickel composition %: 0.7-1.7 Suitable for racks: refined and rolled

High Chromium iron Rolls Grade II (HCrII) for Temper Work Roll

High Speed Steel Rolls (HSS) for Bar Mill

Hardness HSD: 75-95 Nickel composition %: 0-1.5 Suitable for racks: Finishing rolls, pre-finishing rolls Usage: Hot strip and bar finishing roll; section universal mills;pre-finishing stands of high-s

High Speed Steel Rolls (HSS) for Bar Mill

Semi-High Speed Steel Rolls Grade (S-HSS) for Hot Strip Work Roller

Hardness HSD: 75-98 Nickel composition %: 0.2-1.2 Suitable for racks: Rough-medium rolled, finish rolled

Semi-High Speed Steel Rolls Grade (S-HSS) for Hot Strip Work Roller

Adamite Rollers Grade 140I (AD140I) for Section Mill

Hardness HSD: 35-50 Nickel composition %: 0.5-1.2 Suitable for racks: Roughing Usage: Roughing and intermediate stands of small, medium section, bar, wire mills; seamless steel pipe roughing mills; st

Adamite Rollers Grade 140I (AD140I) for Section Mill

Adamite Rollers Grade 160I (AD160I) for Rail Mill

Hardness HSD: 40-60 Nickel composition %: ≥0.2 Suitable for racks: Chinese steel rolling Usage: Roughing stands of section, bar, and wire mills; large, medium section, rail, steel blank, section un

Adamite Rollers Grade 160I (AD160I) for Rail Mill

Adamite Rollers Grade 180 (AD180)for Roughing Stand

Hardness HSD: 45-60 Nickel composition %: 0.5-2.0 Suitable for racks: Chinese steel rolling

Adamite Rollers Grade 180 (AD180)for Roughing Stand

Hardness 50-65HSD Adamite Rollers Grade 200 (AD200)

Hardness HSD: 50-65 Nickel composition %: 0.6-2.5 Suitable for racks: pre-finishing

Hardness 50-65HSD Adamite Rollers Grade 200 (AD200)

High strength Alloy Cast Steel Rolls Grade 65I (AS65I)

Hardness HSD: 35-45 Nickel composition %: 0.2-0.5 Suitable for racks: roughing Usage: Section roughing mills, bar, and wire roughing mills; rail, section universal blooming mills; hot strip breaker an

High strength Alloy Cast Steel Rolls Grade 65I (AS65I)

Alloy Cast Steel Rolls Grade 70II (AS70II) for Roughing Mills

Hardness HSD: 35-45 Nickel composition %: / Suitable for racks: roughing Usage: Small, medium section roughing mills, bar and wire roughing mills

Alloy Cast Steel Rolls Grade 70II (AS70II) for Roughing Mills

Alloy Cast Steel Rolls Grade 75I (AS75I) for Blooming and Slabbing Mills

Hardness HSD: 35-50 Nickel composition %: ≥0.2 Suitable for racks: roughing Usage: Blooming and slabbing mills; large medium section, rail, section universal bloomers; hot strip breakers and rowers

Alloy Cast Steel Rolls Grade 75I (AS75I) for Blooming and Slabbing Mills

Graphite Steel Rolls Grade 150 (GS150) for Section Mill

Hardness HSD: 40-50 Nickel composition %: 0.2-1.0 Suitable for racks: roughing Usage: Section mills, bar and wire mills; blooming mills; hot strip roughing rolls and edger rolls; section universal mil

Graphite Steel Rolls Grade 150 (GS150) for Section Mill

Graphite Steel Rolls Grade 160 (GS160) for Roughing Mill

Hardness HSD: 45-55 Nickel composition %: 0.2-1.0 Suitable for racks: roughing

Graphite Steel Rolls Grade 160 (GS160) for Roughing Mill

Graphite Steel Rolls Grade 190 (GS190) for Blooming mills

Hardness HSD: 50-65 Nickel composition %: 0.6-2.2 Suitable for racks: Chinese steel rolling

Graphite Steel Rolls Grade 190 (GS190) for Blooming mills

Cast Steel Roll Ring

Cast Steel Roll Ring

Cast Iron Roll Ring

Cast Iron Roll Ring

High Speed Steel Roll Ring

High Speed Steel Roll Ring

Certified Quality — Recognized by National & International Authorities

Quality Management System

ISO 9001:2015

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Quality Management System

Occupational Health and Safety Management System

ISO 45001:2018

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Occupational Health and Safety Management System

Environmental Management System

ISO 9001:2015

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Environmental Management System

Occupational Health and Safety Management System

ISO 45001:2018

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Occupational Health and Safety Management System

ISO45001

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ISO14001

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ISO9001

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Innovative Small and Medium-Sized Enterprises in Zhejiang Province

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Innovative Small and Medium-Sized Enterprises in Zhejiang Province

Science and Technology-Based Small and Medium-Sized Enterprises in Zhejiang Province

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Science and Technology-Based Small and Medium-Sized Enterprises in Zhejiang Province

High-Tech Enterprise

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High-Tech Enterprise

Driven by Innovation — Engineered for Excellence

Our municipal-level R&D center and strategic partnerships with leading universities keep us at the forefront of roll technology.

30+

R&D Experts & Engineers
4

Patents Granted
60+

Patents Pending

Company Updates

Zhonghang Roll 2025 Annual Sales Conference Successfully Held

Zhonghang Roll 2025 Annual Sales Conference Successfully Held

On 18th October, Huzhou Zhonghang Roll Co., Ltd. held the company's third quarter sales meeting.

On 18th October, Huzhou Zhonghang Roll Co., Ltd. held the company's third quarter sales meeting.

Summary of the sales meeting for the half of FY2024

Summary of the sales meeting for the half of FY2024

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