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Why partner with Haihui Steel for your GCr15 requirements?
As a manufacturer based in Liaocheng, we specialize in high-precision GCr15 / EN31 / 100Cr6 seamless tubes, specifically engineered for bearing races and cages. Why partner with Haihui Steel for your GCr15 requirements? Exceptional Spheroidizing Annealing: Our tubes undergo 100% protective at...Read more -
Strategic Supply: High-Precision Seamless Steel Tubes from Liaocheng Top Factory
Based in Liaocheng City, the most renowned production hub for steel pipes in China, our factory has earned a solid reputation for delivering superior quality that meets the rigorous demands of the global industrial market. Why Leading Manufacturers Choose our Tube: Versatile Applications:Our tube...Read more -
Haihui Special-Shaped Tubes: Precision Engineering for High-Torque Agricultural Axles.
Core Value Breaking through the limitations of circular pipes and unleashing design potential. In the transmission system of modern agricultural machinery, circular pipes are no longer the only choice. Haihui Steel produces precision drawn special-shaped pipes (hexagonal, octagonal, rectangular...Read more -
Haihui Precision Cut Parts: Zero Waste, Ready for Assembly
Core Logic: Why Buy Cutting Parts? Many factories need to invest a lot of manpower, electricity, and equipment in sawing after purchasing 6-meter long pipes, and there will be a 5% – 10% end material loss. Haihui Steel provides you with finished parts that directly enter the production line...Read more -
20CrMnTi Precision Alloy Tubes: The Core of High-Load Power Transmission
Precision Engineering Steel Redefining Transmission Efficiency In the manufacturing of automotive gearboxes, heavy-duty gears, and high-strength shafts, every microscopic structure of the material determines the reliability of the final product. Haihui Steel’s 20CrMnTi precision seamless...Read more -
Haihui 35CrMo Alloy Tubes: The Backbone of High-Pressure Engineering.
Facing extreme pressure and complex loads, engineers require not only steel pipes but also absolute structural safety. Haihui Steel’s 35CrMo precision seamless tubes perfectly integrate material mechanical properties with a “5-micron” manufacturing precision.35CrMo (AISI 4130 / ...Read more -
GCr15 (100Cr6/EN31) Bearing Steel Tubes: The Heart of High-Performance Rotation
Elevate Your Bearing Life with Liaocheng’s Finest Precision Engineering. In the world of high-speed rotation and extreme loads, the quality of your raw material determines the lifespan of your machine. Shandong Haihui Steel Industry Co., Ltd. presents the GCr15 Precision Seamless Steel Tu...Read more -
Haihui Steel Ships 40Cr Precision Bright Seamless Tubes to Pakistan, Empowering CPEC Industrial Growth with “Chinese Precision”
With the last batch of containers successfully loaded onto the ship at Qingdao Port, Shandong Haihui Steel Industry Co., Ltd. announced that a batch of high-quality 40Cr precision bright seamless steel pipes with a total weight of 55 tons is officially being shipped to Karachi, Pakistan. This is ...Read more -
Haihui Steel Successfully Exports High-Precision CK45 Seamless Tubes to Vietnam, Empowering SE Asian Machinery Manufacturing
As several container trucks loaded with high-quality steel slowly drove out of the factory area, Shandong Haihui Steel Industry Co., Ltd. announced that a batch of CK45 (1045) high-precision seamless steel pipes with a total weight of 120 tons had completed precision machining and strict testing,...Read more -
Haihui Finished 18 Tons 40Cr Alloy Steel Tube for Pakistan Client
Haihui Steel Industry has always adhered to the principle of customer first, quality first, and short delivery time. We spare no effort to produce an order of 18 tons of 40Cr alloy precision steel pipes from Pakistan. The customer requires that the inner and outer diameter tolerances must be cont...Read more -
35CrMo Cold Rolled Annealing Tube Shipping to India
Haihui Steel successfully shipped a container of 25.728 tons of 35CrMo precision seamless steel pipes from an Indian customer to Qingdao Port yesterday from Liaocheng city and completed theloading container, waiting for customs clearance. 35CrMo precision seamless tube, with excellent quality, un...Read more -
40Cr material seamless steel pipe for automobile axle housing
1. 40Cr belongs to medium carbon alloy structural steel, and the addition of chromium (Cr) element significantly improves the hardenability, wear resistance, and tempering softening resistance of the material. Its chemical composition and mechanical properties strictly follow the YB/T 5035-2020 s...Read more