Slitting Line Knives & Tools

SHINITE Machinery is a professional and reliable manufacturer and supplier of high-performance 64HRC Steel Shear Blades Crop Thick Cutting Plate Blade for Hot Rolling Mill in China. We specialize in precision crop shear blades engineered for extreme hardness, superior toughness, and long service life in demanding hot rolling mill environments. Established in 1999, Shinite Machinery Co., Ltd. has over 25 years of expertise in industrial blades and cutting tools, serving metallurgical plants, steel service centers, hot rolling mills, and heavy-duty plate cutting operations worldwide.

Product Range

We supply a complete range of 64HRC Steel Shear Blades Crop Thick Cutting Plate Blade for Hot Rolling Mill, engineered for clean, reliable crop cutting of thick steel plates and billets at elevated temperatures. Explore our full range at Shear Blades & Knives and Mechanical Knife, including:

• 64HRC Crop Thick Cutting Plate Shear Blades for Hot Rolling Mill
• HMB Material Hot Rolling Steel Ironworker Shear Blades
• M2 Steel Plate Shear Cutting Blade for Coil Hot Rolling Mill
• H13 Steel Shear Blades HRC65 for Rolling Mill & Slitting Machine
• Hot Shear Blades in 6CrW2Si Material
• Crop Steel Shear Blades 9CrSi Metal Cutting Machine Blade
• Cold Shear Blade 55 HRC Rolling Plate for Rolling Mill Workshop
• M2/12 Shearing Machine Blade for Coil Rolling Mill Metal Plate Cutting
• Full Hot Rolling Mills Knives Range
• Cut-to-Length Lines and Guillotine Shear Blades
• Customized 64HRC crop shear blades to drawing specifications

According to Wikipedia – Hot Rolling, hot rolling mills process steel at temperatures above the recrystallization point (typically above 900°C), subjecting crop shear blades to extreme thermal and mechanical stress. This demands blades with both extreme hardness and sufficient toughness to withstand repeated impact without chipping. Shinite's 64HRC crop shear blades are specifically developed to meet these severe operating conditions.

Key Product Advantages of Our 64HRC Steel Shear Blades Crop Thick Cutting Plate Blade for Hot Rolling Mill

1. Extreme Hardness of 64 HRC for Maximum Wear Resistance

The defining characteristic of our 64HRC Steel Shear Blades for Hot Rolling Mill is their exceptional surface hardness of 64 HRC (Rockwell Hardness C scale), achieved through a combination of premium high-alloy tool steel selection and our proprietary advanced heat treatment process. At 64 HRC, these crop shear blades deliver outstanding resistance to abrasive wear when cutting thick, hard steel plates and billets on hot rolling mill lines.

This extreme hardness is made possible by our choice of optimal substrate materials including 6CrW2Si hot shear blade steel, proprietary HMB/HMK alloys developed by Shinite, H13K, and high-speed tool steels, all precisely heat-treated under vacuum conditions to achieve the target hardness profile while maintaining sufficient core toughness. For technical reference, see also Wikipedia – Rockwell Hardness Scale.

The result is a crop shear blade that maintains sharp cutting edges far longer than conventional blades, delivering more cuts per blade life cycle, fewer blade changes, less machine downtime, and lower overall tooling cost on your hot rolling mill production line.

2. Engineered for Thick Plate Crop Cutting in Hot Rolling Mills

Unlike general-purpose shear blades, our 64HRC Crop Thick Cutting Plate Blade for Hot Rolling Mill is purpose-engineered for the specific demands of crop shearing operations at the entry and exit ends of hot rolling mill lines. In this application, the blade must sever thick, hot steel plates and billets cleanly in a single stroke, managing:

• High cutting forces from thick section (heavy gauge plate and billet) materials
• Thermal shock from contact with hot-rolled steel at elevated temperatures
• Repeated impact loads from high-cycle, high-volume production operations
• Abrasive wear from mill scale and oxide layers on hot-rolled steel surfaces

Our blade geometry, material selection, and heat treatment protocol are all optimized for this demanding combination of wear, thermal fatigue, and impact resistance. Relevant applications include crop shearing, head and tail trimming, and thick plate cross-cutting on hot strip mills, plate mills, and heavy section rolling mills. See also Wikipedia – Steel Mill for context on rolling mill operations.

3. Advanced Heat Treatment & Precision Grinding Technology

We combine precise vacuum heat treatment with multi-stage CNC grinding processes under strict tolerance control. This results in optimal blade hardness of 64 HRC with a well-controlled hardness gradient — hard on the cutting face for wear resistance, with sufficient core toughness to resist chipping and cracking under impact. Our production process ensures each blade meets demanding dimensional and hardness specifications before shipment.

For the 64HRC crop shear blade product, our heat treatment achieves:

• Surface hardness: 64 HRC (±1 HRC tolerance)
• Controlled case depth and core toughness profile for impact resistance
• Stress relief treatment to minimize residual stress and blade distortion
• Precision surface grinding to tight dimensional tolerances for correct fit and cutting clearance

Shinite's independent R&D department continuously advances heat treatment protocols and steel substrate technology for extreme-hardness crop shear blade applications. Full quality documentation is available on our Certificates page.

4. High-Precision Machining & Exact Specifications to Drawing

Every 64HRC Crop Cutting Plate Blade for Hot Rolling Mill is precision-ground using advanced CNC grinding equipment to achieve exact dimensional compliance. We strictly control all blade dimensions, edge angles, blade thickness tolerances, and surface finish. Full customization includes:

• Exact blade dimensions (length up to 6000mm or longer) as per customer drawing
• Precise blade thickness and width tolerances matched to your rolling mill crop shear equipment
• Mounting holes and bolt patterns as per OEM or customer specifications
• Blade bevel angle and cutting edge geometry optimized for your plate thickness and material grade
• One-piece, laminated, or segmented designs as required

Discover our precision manufacturing capabilities on the Factory VR tour. See also the dedicated product page: 64HRC Steel Shear Blades Crop Thick Cutting Plate Blade for Hot Rolling Mill.

5. Rigorous Multi-Stage Quality Control

We implement a comprehensive quality system from raw material selection through forging, heat treatment, precision grinding, hardness verification, and final inspection. Each 64HRC crop shear blade undergoes:

• Incoming raw material chemical composition verification
• Hardness testing at multiple points to confirm 64 HRC uniformity
• Dimensional inspection against customer drawing tolerances
• Visual and surface inspection for grinding defects, cracks, or inclusions
• Trial cutting verification on representative materials where required

This guarantees zero defects, consistent 64 HRC hardness, and reliable high-performance in your hot rolling mill crop shear. View our full quality credentials at Certificates.

Product Introduction

Our 64HRC Steel Shear Blades Crop Thick Cutting Plate Blade for Hot Rolling Mill are available in various configurations, including straight rectangular crop shear blades, angled bevel-cut designs, segmented long blades with precision-machined mounting holes, and custom profiles to match specific rolling mill crop shear equipment. They are engineered for high-cycle, high-force thick plate and billet crop shearing operations.

Typical applications include:

• Crop shearing at entry and exit of hot strip rolling mill lines — see Hot Rolling Mills Knives
• Head and tail crop cutting on hot plate mills and slab rolling lines
• Thick section billet and bloom crop shearing at steelmaking plants
• Heavy gauge hot-rolled plate cross-cutting and end trimming
• Flying crop shear blade replacement — see also our Flying Crop Shear Knife range
• Scrap chopper blades on hot rolling mill trimming lines — see Scrap Recycling Knives

High-performance material options for 64HRC crop shear blades include:

• Proprietary HMB/HMK high-alloy tool steel developed by Shinite for extreme hardness and toughness balance
• H13K (4Cr5MoSiV1) hot-work tool steel with excellent thermal fatigue resistance
• 6CrW2Si — a classical Chinese hot shear steel grade optimized for hot rolling crop shear applications
• M2 High Speed Steel (HSS) for maximum hardness and wear resistance at moderate temperatures
• Optional TiAlN or other advanced wear coatings for extreme abrasion resistance applications

Whether you need standard replacement 64HRC crop shear blades or fully custom-designed thick plate cutting blades for your specific hot rolling mill equipment, we deliver solutions that reduce blade change frequency, lower cutting force requirements, and minimize your overall tooling cost. Browse all related shear blade solutions at Shearing Machine Blades and Metal Processing Knives.

Related Products

In addition to our 64HRC crop shear blades for hot rolling mill, Shinite Machinery supplies a comprehensive range of related cutting tools and industrial blades:

• Slitting Line Knives & Tools — circular slitter blades, spacers, and tooling for steel coil slitting lines
• Cold Rolling Mills Knives — side trimmer blades, crop shears, and crop knives for cold rolling lines
• Cut-to-Length Lines and Guillotine Shears — hydraulic guillotine shear blades for CTL lines
• Scrap Recycling Knives — alligator shear blades, scrap chopper blades, and shredder knives
• Shredding & Crushing Knives — industrial shredder blades for metal and waste processing
• High Precision Steel Shear Blades – Tolerance to Drawing
• H13K Steel Plate Shear Blades for Rolling Mill Plant
• Industrial Hydraulic Shear Blade for Cut-to-Length
• SKD11 Hydraulic Sheet Metal Shear Blades for Coil Rolling Mill
• Hot Rolling Mill Metal Cutting Shear Blades for Scrap Chopper & Side Trimmer

Company Strength

Company Overview

SHINITE MACHINERY Co., Ltd. (also known as Shinite Knife) is a leading Chinese manufacturer of precision industrial shear blades, guillotine knives, circular slitting knives, crop shear blades, and metallurgical cutting tools. Located in Ma'anshan, Anhui Province — one of China's major steel industry centers — we serve ferrous metallurgy, hot rolling mills, petrochemical, nuclear power, and other heavy industries globally. Visit our full Company Profile and About Us pages.

• Over 25 years of specialized experience in shear blade manufacturing for hot rolling mill and metallurgical applications (established 1999)
• Modern factory with dedicated forging, heat treatment, precision CNC grinding, and polishing workshops
• Professional team delivering 147+ completed projects and serving 900+ global customers across 6 continents
• Complete in-house production: electric arc furnace, forging press, vacuum heat treatment, CNC surface grinding, precision machining, and advanced coating center
• Independent R&D department focused on extreme-hardness blade technology, hot rolling mill crop shear blade performance, and high-toughness substrate development

Core Strengths

• Rich expertise in producing high-hardness (64 HRC) Crop Thick Cutting Plate Blades for Hot Rolling Mill
• Deep metallurgical knowledge enabling correct steel grade selection for each specific crop shear application
• Professional engineering team offering technical support, hardness specification advice, and blade geometry optimization
• International certifications including ISO 9001 and ISO 14001 — see Certificates
• Trusted by major steel groups, rolling mill OEMs, and plate processing centers worldwide
• Latest news and technical updates available at Shinite News

Packaging and Shipping

• Robust protective packaging with anti-rust oil treatment, foam edge protection, and reinforced wooden crates to ensure blade integrity during international transport
• Fast international delivery via FedEx, UPS, DHL for smaller orders, and reliable ocean freight for bulk and large blade orders
• Worldwide shipping and door-to-door service for global customers seeking premium 64HRC hot rolling mill crop shear blades from China
• Typical lead time: 7–20 working days depending on blade dimensions and quantity

Certifications and Patents

SHINITE Machinery holds multiple utility model patents and international certifications including ISO 9001 Quality Management System and ISO 14001 Environmental Management System. These achievements demonstrate our continuous innovation in high-hardness blade manufacturing, extreme-performance crop shear blade technology for hot rolling mills, and precision grinding for metallurgical cutting applications. Full certification details are available on our Certificates page.

Why Choose Our 64HRC Steel Shear Blades Crop Thick Cutting Plate Blade for Hot Rolling Mill?

✔ Extreme 64 HRC hardness delivers outstanding wear resistance for thick plate and billet crop cutting on hot rolling lines
✔ Optimized toughness profile prevents blade chipping and cracking under high-impact repeated shearing loads
✔ Superior edge retention significantly extends blade service life and reduces replacement frequency
✔ Precise dimensional tolerances ensure correct fit and cutting clearance in your existing crop shear equipment
✔ Full customization to OEM or customer drawing specifications, including blade dimensions, mounting holes, and edge geometry
✔ In-house forging, heat treatment, and precision grinding — complete process control for consistent 64 HRC performance
✔ 25+ years of rolling mill blade manufacturing experience and dedicated technical support
✔ ISO 9001 certified quality system with full traceability from raw material to finished blade

Contact us today for a free quote, technical consultation, samples, or custom 64HRC Steel Shear Blades Crop Thick Cutting Plate Blade for Hot Rolling Mill. Let SHINITE Machinery help you achieve longer blade life, fewer unplanned stoppages, and maximum ROI on your hot rolling mill crop shear tooling. Reach out via our Contact Us page or explore our full product range at www.shiniteknife.com.