Steel Round Bar

High-strength forged steel bar in 45Cr, C45, and more. Diameters from 130mm to 1000mm, customizable length up to 12m. Offers heat treatment, ultrasonic testing, and custom machining. Ideal for vehicle and engine components. ISO 9001 certified, MOQ 12 tons.

High-strength hot rolled alloy steel round bar in grades SAE4140, 4130, and 42CrMo4. Diameter range 12-300mm, length 3-12m. Annealed delivery with certified chemical composition and mechanical properties. Ideal for industrial applications requiring durability and precision.

High-quality carbon steel round bar in grades 1008-1020, diameter 20-420mm. ISO certified with MTC available. Ideal for construction, machinery, and industrial applications. Custom lengths and competitive pricing.

High-quality cold drawn SAE1020 steel round bar with diameters from 20mm to 420mm and lengths of 6-11m. ISO and IQNet certified, ensuring durability and precision. Fast delivery, large stock, and full-size availability. Ideal for industrial applications requiring reliable performance.

High-strength 40Cr/5140 forged steel round bars, 50-350mm diameter, quenched and tempered. Ultrasonic tested per SEP 1921. Ideal for shafts and gears. Custom sizes and fast export delivery available.

High-quality 16MnCr5 alloy steel round bar, hot rolled and turned (SH) to 34 mm. Meets EN 10084 standard for case hardening. Excellent weldability and machinability. Ideal for gears and shafts. Custom sizes available.

50CrV4 alloy steel round bar offers high durability and fatigue resistance for springs and blades. Hardness 29-55HRC, sizes 0.15-2.5mm thick. ISO9001 certified with custom options. Ideal for industrial tools and automotive parts.

High carbon chromium bearing steel round bar, equivalent to AISI 52100 and DIN 100Cr6. Offers high strength, wear resistance, and hardness up to 66 HRC after quenching. Available in hot rolled round bars, plates, and custom sizes. Ideal for bearings, gears, and shafts. 16+ years export experience.

High-strength 20CrMnTi gearing steel round bar, ideal for gears and shafts. Offers excellent wear resistance and hardenability. Custom sizes available. Complies with GB/T 3077 standard.

High-strength hot rolled S45C/1045 carbon steel round bar, 8-400mm diameter. Excellent durability for machinery, petroleum, and construction. Custom lengths available. Meets ASTM, JIS, GB standards. Factory direct with fast delivery.

High-strength 42CrMo alloy steel round bar with excellent hardenability and toughness. Ideal for gears, dies, and forging tools. Available in 20-260mm diameter. Supports custom sizes and third-party certification.

High-strength 42CrMo forged alloy steel round bar, 60-800mm diameter. ISO 9001 certified, with flexible MOQ and prompt delivery. Ideal for gears, pinions, and mechanical parts requiring superior toughness.

High-strength 40Cr forged round bar, OD 430mm, ideal for gears and shafts. Ultrasonic tested per SEP 1921, with customizable heat treatment and flexible MOQ for B2B orders.

High-strength AISI 1045/S45C carbon steel round bar, 250mm diameter x 6000mm length. Meets ASTM, DIN, JIS standards. Excellent durability and machinability. Custom sizes available. Ideal for shafts, gears, and industrial components.

Hot dipped galvanized steel round bar in ASTM A36. Diameter 3-480mm, lengths up to 12m. Bright surface, durable for construction, machinery, and energy. Factory direct, custom sizes, 7-15 day lead time.

High-strength A36 Q235B hot dipped galvanized round bar with 85um coating. Available in 6mm-12mm diameters and custom lengths. Ideal for construction and industrial use. SGS certified with flexible packaging options.

High carbon chromium bearing steel with uniform structure, high hardness, and excellent wear resistance. Ideal for bearings, tools, and dies. ISO 9001 certified, custom sizes available, and fast global delivery.

High-strength SAE1045/C45 cold drawn round bar with bright smooth surface. Diameter range 4-150mm. Excellent dimensional accuracy and machinability. Ideal for shafts, pins, and precision parts. Available in custom lengths. ISO certified.

High-strength cold drawn carbon steel bars in grades SS400, A36, C45, and 1045. Bright surface finish, precise dimensions from 4mm to 80mm. Ideal for structural applications. Custom sizes and packaging available for export.

High quality cold drawn steel round bar with 0.45% carbon content. Offers good strength, toughness, and wear resistance after heat treatment. Ideal for shafts and structural parts. Custom sizes available. Factory direct with fast delivery.