Hot Rolled Steel Round Bar is a versatile structural material manufactured through high-temperature rolling, offering excellent strength, toughness, and machinability. Typical diameters range from small precision sizes to large industrial grades, with reliable yield strength and good elongation for forming and welding. Its rough mill finish provides strong bonding for further processing such as machining, forging, and fabrication. Key advantages include cost efficiency, durability, and stable mechanical performance under heavy loads. Widely used in construction frameworks, shafts, axles, automotive parts, machinery components, and general engineering projects. Choose it for dependable performance and consistent supply to support your production needs now.

ASTM A36 Carbon Steel Round Bar is a cost-effective and versatile structural steel product known for its excellent weldability, machinability, and strength. With a minimum yield strength of 250 MPa (36 ksi) and good ductility, it is widely used in construction, fabrication, machinery parts, support structures, and general engineering applications. Available in various diameters and lengths, A36 round bar offers reliable mechanical performance and easy processing. Its stable quality, consistent dimensions, and competitive price make it a preferred choice for industrial projects worldwide. Contact us today for customized sizes, competitive quotations, and fast delivery to support your next project.

AISI 1018 Mild Steel Round Bar is a low-carbon steel bar featuring excellent machinability, good weldability, and consistent mechanical properties. Typically containing approximately 0.18% carbon, it offers a tensile strength of around 440 MPa and provides a smooth surface finish for precision machining applications. Widely used in shafts, pins, fasteners, automotive components, and machinery parts, it delivers reliable performance and dimensional accuracy. Its excellent formability and cost-effectiveness make it a popular choice across various industries. Available in multiple diameters and lengths, our 1018 steel round bars ensure dependable quality and fast delivery. Send us your inquiry today for competitive pricing and customized solutions.

AISI 1020 Hot Rolled Round Bar is a versatile low-carbon steel product offering an excellent balance of strength, toughness, and weldability. With a carbon content of approximately 0.20%, it provides good machinability and a typical tensile strength of around 420–500 MPa. The hot-rolled finish ensures cost efficiency and suitability for further machining or fabrication. Widely used in shafts, pins, machinery components, construction equipment, and general engineering applications, it delivers reliable performance and durability. Available in a wide range of diameters and lengths, our AISI 1020 round bars meet strict quality standards. Contact us today for competitive prices, customized specifications, and prompt quotation support.

AISI 1045 Precision Steel Round Bar is a medium-carbon steel bar designed for applications requiring high strength, excellent wear resistance, and precise dimensional accuracy. With approximately 0.45% carbon content, it offers tensile strength typically ranging from 570–700 MPa, making it ideal for shafts, gears, bolts, axles, and machinery components. The precision-finished surface ensures tight tolerances, improved machinability, and superior performance in demanding environments. Known for its durability and ability to be heat treated for enhanced hardness, AISI 1045 is widely used across manufacturing and engineering industries. Available in various sizes and custom specifications. Send us your inquiry today for competitive pricing and reliable supply.

AISI 4140 Engineering Steel Round Bar is a high-strength chromium-molybdenum alloy steel known for its excellent toughness, fatigue resistance, and heat-treating capability. With typical tensile strength exceeding 850 MPa after heat treatment, it delivers outstanding performance in demanding applications. This round bar offers good machinability, wear resistance, and impact strength, making it ideal for shafts, gears, axles, drilling tools, heavy machinery, and automotive components. Available in a wide range of diameters and customized lengths, AISI 4140 ensures reliable mechanical properties and long service life. Choose our premium-quality 4140 steel round bars for your projects. Contact us today for competitive pricing, fast delivery, and a customized quotation.

AISI 4340 High Tensile Steel Bar is a premium nickel-chromium-molybdenum alloy steel designed for applications requiring exceptional strength, toughness, and fatigue resistance. After heat treatment, it can achieve tensile strengths exceeding 1,000 MPa while maintaining excellent impact performance. This steel bar offers superior hardenability, wear resistance, and durability under heavy loads, making it ideal for aerospace components, transmission shafts, gears, crankshafts, and heavy-duty machinery. Precision manufactured to meet strict quality standards, it ensures consistent performance and long service life. Available in various diameters and custom lengths, our AISI 4340 steel bars provide reliable solutions for demanding engineering projects. Send us an inquiry today for competitive pricing and fast delivery.

S235JR Hot Rolled Round Bar is a widely used structural steel product offering excellent weldability, formability, and reliable mechanical performance. With a minimum yield strength of 235 MPa and good impact resistance, it is suitable for construction, fabrication, machinery manufacturing, and general engineering applications. The hot-rolled process provides cost efficiency and consistent quality, making it an economical choice for large-scale projects. Available in a wide range of diameters and lengths, S235JR round bars are easy to machine, cut, and weld. Combining dependable strength, versatility, and competitive pricing, they are an ideal solution for various industrial needs. Contact us today for customized specifications, attractive quotations, and prompt delivery worldwide.

SS400 Structural Steel Round Bar is a versatile and economical carbon steel product widely used in construction, fabrication, and industrial applications. Featuring a minimum tensile strength of approximately 400–510 MPa, it offers excellent weldability, formability, and machinability for easy processing. SS400 round bars are ideal for structural frameworks, machinery parts, support components, and engineering projects requiring reliable strength and durability. Manufactured with consistent dimensions and stable mechanical properties, they provide dependable performance at a competitive cost. Available in various diameters and customized lengths to meet your project requirements. Contact us today for the latest pricing, tailored solutions, and a fast quotation to support your business needs.

Q235B Hot Rolled Steel Bar is a widely used carbon structural steel with excellent weldability, machinability, and balanced mechanical strength. It offers a minimum yield strength of about 235 MPa and good elongation, making it suitable for general construction, fabrication, machinery parts, and engineering structures. The hot-rolled process ensures cost efficiency, stable quality, and easy processing such as cutting, drilling, and welding. Q235B round bars are available in various diameters and lengths to meet diverse project requirements. With reliable performance and competitive pricing, it is an ideal choice for industrial and structural applications. Contact us today for quotation, customization, and fast delivery support.

42CrMo4 Forged Steel Round Bar is a high-strength alloy steel known for its excellent toughness, fatigue resistance, and hardenability. With chromium and molybdenum elements, it achieves tensile strength up to 900–1100 MPa after heat treatment, making it ideal for heavy-duty applications. The forging process ensures superior internal structure, improved density, and enhanced mechanical performance. It is widely used in shafts, gears, crankshafts, molds, and high-stress engineering components. Offering excellent wear resistance and long service life, 42CrMo4 is suitable for demanding industrial environments. Available in various diameters and custom lengths. Contact us today for competitive pricing, reliable supply, and fast quotation support.

45# Hot Rolled Carbon Steel Bar is a medium-carbon steel with excellent strength, hardness, and wear resistance after heat treatment. With approximately 0.45% carbon content, it provides a tensile strength of 600–700 MPa, making it suitable for shafts, gears, bolts, axles, and machinery components. The hot-rolled production process ensures cost efficiency, stable quality, and good machinability for further processing such as cutting, forging, and machining. It is widely used in mechanical engineering and industrial manufacturing applications requiring reliable performance. Available in various diameters and customized lengths. Contact us today for competitive pricing, fast delivery, and tailored solutions to support your project needs.