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High-Speed Steel Roll for Continuous Rolling Seamless Steel Pipe, Steel Tube¹

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Product Description Product DescriptionBrief Introduction of Seamless Steel Pipe HSS RollOur HSS (High Speed Steel) mill rolls are specially engineered for seamless steel pipe production lines, delivering superior performance in terms of wear resistance, thermal fatigue resistance, and red hardness.Manufactured with high-alloy materials and advanced heat treatment technology, these rolls are ideal for use in piercing mills, reducing mills, and sizing mills, ensuring extended roll life and excellent surface quality of the final pipe products.. Product Parameters Physical Parameter NormalEnhancedHigh StrengthSlitting DogboneRoll Specification ?280 - ?850Density7.6 g/cm37.8 g/cm38 g/cm37.6 g/cm37.6 g/cm3Casting Centrifugal CastingHeat Treatment HBW Patented Hardness General: 82-89HSD Different range based on stands73-77HSD73-77HSD79-83HSDHardness Drop ≤3HSDRolling Temperature 780oC-1100oC Pass Life 4-5 times than CI Rolls 1.3 tims than HSS Normal1.5 tims than HSS Normal24-32 hours Continue Rolling (2-3 times than High-boron Rolls)Dressing 1.0-1.5mmUse Periods 8-10 CyclesApplicationIntermediate and Finishing stands in bar mill Fours stands before pre-finishing stands in wire mill Hot strip and plate steel working rolls Section steel universal mill Slitting stand in bar millDogbone stand in bar millPhysical Properties PropertiesBarrelCoreTensile Strength(N/mm2)≥700MPa≥450MPaCompressive Strength ≥2500MPa Chemical Analysis (Proportion differert based on HSS Grade)HSS Normal HBW Patented Chemical Composition (%)HSS NormalCSi Mn Cr Ni MoVWP & SNbCoOthers1.5-2.100.2-1.00.30~1.03.00~ 6.000.50~ 1.503.0-7.02.0-8.01.0-8.0≤0.03Depends oMaterialn HSS GradeHSS Enhanced Material Chemical composition control requirements (%)HSS EnhancedCSiMnPSCrMoVWNiNbOther1.5-2.10.2-1.00.3-1.0≤0.03≤0.034.0-6.03.0-6.03.0-5.02.5-5.00.5-1.5≤0.5≤1.0HSS High Strength Material Chemical composition control requirements (%)HSS EnhancedCSiMnPSCrMoVWNiNbOther1.5-2.10.2-1.00.3-1.0≤0.03≤0.034.0-6.04.0-6.04.0-6.03.0-5.00.5-1.5≤1.0≤1.01. Material CharacteristicsAngle steel high-speed steel rolls are made from high-speed steel containing high-alloy elements such as tungsten (W), molybdenum (Mo), vanadium (V), and chromium (Cr). Their characteristics include: ? High Hardness: Surface hardness can reach HSD82-89 or higher after specialized heat treatment, meeting the demands of high-strength rolling. ? Excellent Wear Resistance: Significantly extends roll service life and reduces replacement frequency. ? High Red Hardness: Maintains stable performance even under high-temperature conditions. ? Thermal Fatigue Resistance: Withstands thermal cycling, preventing thermal cracks and surface spalling.2. Performance Features ? Wear Resistance: Suitable for continuous production under high-load conditions, extending roll lifespan. ? Thermal Stability: Maintains dimensional accuracy and shape stability in the high-temperature environment of angle steel rolling. ? Impact Resistance: Handles the alternating loads and impacts during angle steel rolling. ? High Precision Rolling: Ensures dimensional consistency and accurate cross-sectional shapes of angle steel.3. Applicationspiercing mills, reducing mills, and sizing mills, ensuring extended roll life and excellent surface quality of the final pipe products4. Technical Advantages ? Increased Production Efficiency: High wear resistance and hardness reduce downtime, enhancing continuous production efficiency. ? Lower Production Costs: Longer service life reduces roll replacement frequency and maintenance costs. ? Improved Product Quality: Ensures smooth surface finish, precise dimensions, and complete cross-sectional shapes of angle steel products. Detailed PhotosDetailed Photos of HSS Roll Company Profile Anhui Huanbowan High Speed Steel Mill Roll Co., LTD Anhui Huanbowan High Speed Steel Mill Roll Co., LTDAnhui Huanbowan High Speed Steel Mill Roll Co., Ltd. was established in 2007 (formerly Beijing Huanbowan), and is a professional manufacturer specializing in high-performance high-speed steel (HSS) mill rolls and roll rings.In 2014, the company relocated to Tongling City, known as the "Bronze Capital of China," and expanded its production capacity to 15,000 tons per year. Our factory covers 100 acres and is located in the Tongling Economic and Technological Development Zone, with convenient access to high-speed railways and expressways.We have built long-term R&D partnerships with leading institutions such as Beijing University of Technology, USTB, and the Central Iron & Steel Research Institute. Our patented HSS rolls have been recognized as High and New-Technology Products by Beijing Municipality.Why Choose Us: ? Over 18+ years of experience in HSS roll manufacturing ? National patents & independent R&D ? Significant improvement in wear resistance compared to traditional rolls ? Stable rolling performance, better surface quality, reduced cost ? Widely used in 200+ domestic steel mills, including Baowu, Yonggang, Jianlong, Jingye, and Zenith ? Expanding exports to global marketsWe are committed to becoming a reliable partner for steel rolling enterprises worldwide. Packaging & Shipping Workshop1. Two Casting Lines2. Two Heat Treatment Lines3. Two HSS Roll & Two HSS Ring Processing Lines 4. 1 Professional Physical and Chemical Center Professional physical and chemical center HBW Physical and Chemical Testing Center is a key technical support department of the company, primarily responsible for testing and analyzing the physical properties and chemical composition of materials. It provides scientific support for product quality assurance, process optimization, and research and development. The center is equipped with advanced testing equipment and a professional technical team, covering quality control throughout the entire production process, from raw materials to finished products. Functions of the Center1. Physical Property Testing2. Chemical Composition Analysis3. Failure Analysis4. Process Development Support5. Quality Supervision and ? Oversees internal product quality control and offers testing services for external clients, assisting in obtaining relevant product certifications.Technical StrengthThe center is equipped with state-of-the-art testing instruments, including: ? Spectrometers ? Scanning Electron Microscopes (SEM) ? Universal Testing Machines ? Impact Testing Machines ? Hardness Testers, and more.Additionally, the center boasts a highly experienced and certified technical team, with several engineers holding national-level testing qualifications to ensure the accuracy and authority of test results.Certificates & Honors1.Perfect Management System &10 Invention Certificates and 16 Utility Model Patents2.Honors Awarded by Government & Our Distinguished Customers Our Partners and Market Why Choose Us: ? Over 18 years of expertise in HSS roll manufacturing ? In-house alloy development and precision machining ? Factory-direct supply, reliable lead times ? Strict quality control with 100% traceability ? Responsive service and technical supportInterested in product, technical sheets, or a custom quotation? Let's talk! Our team is here to support your seamless pipe production needs.

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