Steel Round Bar

Cold drawn 40Cr/5140 alloy steel round bar with 0.80-1.10% Cr content. Offers high tensile strength, good hardenability, and wear resistance. Ideal for shafts and medium-load parts. Custom sizes and finishes available. Direct factory with fast delivery.

GB 20CrMnTiH alloy steel round bar for carburizing bearing and structural applications. Diameter 16-300mm. High durability, precision tolerances, and custom cutting available. Ideal for gears, shafts, and high-load components.

High-strength chromium molybdenum alloy steel round bar, equivalent to 4140 and SCM440. Features good toughness, small quenching deformation, and easy polishing. Ideal for gears, shafts, and tools. Custom sizes available with OEM service. Certified to GB, JIS, AISI, and DIN standards.

High-strength cold drawn steel round bar in SAE1018 grade. Bright polished surface, h11 tolerance, excellent weldability and machinability. Ideal for manufacturing and auto sector. Available in 18mm–63.5mm diameter, 3m/6m lengths. Custom sizes and packaging offered.

AISI 4340 round bar offers high tensile strength up to 1080 MPa and excellent toughness. Suitable for heavy-duty shafts, gears, and aircraft landing gear. Available in hardened and tempered condition with custom sizes. Certifications: ASTM A29, BS 970, JIS G4103.

High-strength 20CrMnTiH alloy steel rod with tensile strength ≥1080MPa. Excellent carburizing performance, fine grain structure, and wear resistance. Ideal for cold extrusion dies and automotive parts. Custom sizes available. Complies with GB/T 3077 standard.

High-strength 20CrMnTiH alloy steel round rod, 18-460mm diameter, forged and quenched-tempered. Meets GB/T 3077, ASTM SAE5120, DIN 1.7147 standards. Excellent durability and custom sizes available for industrial applications.

High strength Monel 400 round bar with excellent corrosion resistance in seawater, acids, and alkalis. Ideal for marine, chemical, and hydrocarbon equipment. Custom sizes available. MTC and SGS inspection supported.

High strength 20Cr2Ni4A alloy steel bar with excellent toughness and hardenability. Tensile strength 1483 MPa, yield 1292 MPa. Ideal for large gears and shafts. Custom sizes available. Compliant with GB/T3077-1999.

High-strength case hardening steel round bar, grade 18CrNiMo7-6 (1.6587). Offers 1200MPa tensile strength and excellent toughness. Ideal for drilling bits and heavy-duty gears. Custom sizes and heat treatment available. EN 10084 certified.

High-strength 40CrNiMoA alloy steel round bar, equivalent to AISI 4340. Offers tensile strength ≥980 MPa and yield strength ≥835 MPa. Ideal for heavy-duty industrial applications. Available in thicknesses 8mm to 250mm with custom sizes. Complies with GB/T 3077 standard.

High strength 40CrNiMoA alloy steel round bar with excellent toughness and machinability. Available in hot rolled (8-80mm) and forged (80-1200mm) diameters. Ideal for structural parts like aircraft landing gear and shafts. Competitive pricing with fast delivery.

High quality low carbon nickel chromium molybdenum case hardening steel. Offers good weldability, oil quenched hardness 28-34 HRC. Available in round bar, plate, square bar, and custom sizes. Certified to ASTM A29, DIN EN 10083, JIS G4053.

High-strength case hardening steel round bar, EN 10084 certified. Excellent toughness and wear resistance. Ideal for heavy-duty gears and shafts. Custom sizes and surface finishes available for B2B orders.

High-quality 20MnCr5 alloy steel round bar, EN 10084 certified. Excellent hardenability and wear resistance. Ideal for gears, shafts, and automotive components. Custom sizes and heat treatment available. Competitive pricing for B2B orders.

High-quality hot rolled carbon steel round bar in grades Q245, Q345, A36, S235JR, S355JR. Durable and versatile for structural, machinery, and construction applications. Custom lengths and surface treatments available. Reliable quality and competitive pricing.

High strength hot rolled round bar in carbon and alloy steel grades. Diameter 6mm to 650mm, lengths up to 12m. ASTM A615, BSS4449 compliant. Black, mill, polished surface options. Good machining property and comprehensive balance.

High-strength hot rolled carbon steel round bar in grades Q235, A36, S235JR, S355JR. Excellent durability and machinability for shafts, gears, and structural parts. Custom sizes available. Fast delivery within 30 days.

High-quality Monel 400 round bars, cold rolled for superior strength and corrosion resistance. Diameters from 0.5-500mm, customizable surface and tolerance. Certified to ASTM B164, ideal for demanding industrial applications.

S45C carbon steel round bar offers high strength, good machinability, and balanced mechanical properties. Ideal for machine building. Diameter range 10mm-330mm. Custom lengths, MTC, and third-party inspection available. Competitive pricing.