Steel Round Bar

ASTM/SAE 1045 hot-rolled carbon steel round bars (12-320mm). High strength, excellent machinability for structural, tool & machine parts. Polished surface, certified quality, custom sizes available.

SAE 1045 cold drawn carbon steel bars (2-100mm) offer high strength, durability, and excellent machinability. Polished surface, multiple certifications, and custom cutting available for industrial applications.

C45/S45C carbon steel round bars (OD 6-630mm) offer high strength, durability, and excellent machinability. Ideal for gears, shafts, and heavy machinery components. Available polished, with custom cutting and global certifications.

Hot-rolled forged alloy steel round bars (42CrMo/SAE 1045/4140) offer high strength, durability, and wear resistance. Available in OD 6-630mm with polished surface. Custom sizes and certifications available for structural, tool, and machinery applications.

Hot-rolled AISI 1045/S45C carbon steel round bars offer high strength, excellent machinability, and durability for structural, tool, and machine parts. Available in OD 6-630mm, polished surface, with global certifications (ASTM, DIN, JIS). Custom sizes and bulk supply up to 50,000 kgs.

31CrMoV9 alloy steel rods (300-500mm) offer superior strength, heat resistance (to 550°C), and fatigue durability. Compliant with DIN, ASTM, JIS standards. Custom cutting & polishing available.

High-strength AISI 1045 carbon steel round bar, hot-rolled for structural and tool applications. Offers durability, machinability, and is available polished in OD 6-630mm. Custom sizes and global export support.

SAE1045/S45C carbon steel round bars offer high strength, durability, and excellent machinability. Available polished in OD 6-630mm with custom cutting. Certified quality from major mills, ideal for structural components, machinery shafts, and wear-resistant parts.

SAE8640 alloy steel round bar offers high hardenability, good machinability, and excellent weldability. Ideal for molds, gears, and transmission parts. Available in OD 6-630mm with custom sizing and ISO 9001 certified quality.

SAE8620H alloy steel bars offer superior machinability, weldability, and high hardenability. Ideal for gears, shafts, and carburized parts with excellent core toughness. Available in OD 6-630mm, polished surface, and custom sizes.

ISO9001 certified 42CrMo4/4140 forged alloy steel round bar. High toughness for gears & machinery. Polished surface, OD 6-630mm. Flexible MOQ, stock delivery in 7 days with MTC 3.1/3.2.

4340 alloy steel round bar offers high strength, toughness, and shock resistance. Available in OD 6-630mm, polished surface, with custom specifications. Ideal for heavy machinery shafts, rotors, and high-load applications.

AISI 4140 alloy steel round bar offers high fatigue strength, abrasion & impact resistance. Available OD 6-630mm, custom sizes, polished surface. Certified to AISI/ASTM/DIN standards with 500-ton production capacity.

AISI 4340 forged alloy steel round bar offers high strength, toughness, and shock resistance. Available in OD 6-630mm with polished surface. Custom specifications and bulk capacity (500 tons) for industrial applications.

SNCM439/4340 alloy steel round bar offers high strength, toughness & shock resistance. Polished surface, OD 6-630mm, custom specs available. Ideal for heavy machinery shafts, rotors & molds.

High-strength alloy steel bars (42CrMo4/34CrNiMo6/36CrNiMo4) with excellent toughness & shock resistance. Polished surface, OD 6-630mm. Ideal for heavy machinery shafts, rotors, and molds. Custom sizes available with 500-ton monthly capacity.

Forged 1.6582/4340 alloy steel rods offer high strength, toughness & shock resistance. Polished surface, multiple international standards (DIN, AISI, GB). Custom sizes (OD 6-630mm) with 500-ton production capacity. Ideal for heavy machinery shafts & critical components.

ASTM 4337 34CrNiMo6 alloy steel bars offer high strength (≥980 MPa) and durability for demanding applications like gears, shafts, and engine components. Available in various sizes (OD 6-630mm) with custom options, backed by ISO 9001 certification and reliable B2B export service.

High-strength 34CrNiMo6 alloy steel bars (DIN 1.6582) with excellent mechanical properties. Available forged/rolled in rounds, squares, shafts. Certified (ISO 9001), custom sizes, fast delivery for industrial applications.

High-strength 34CrNiMo6 alloy steel forgings (4140 grade) for heavy-duty applications. ISO 9001 certified, available in custom sizes up to 9000mm. Offers superior durability, impact resistance, and comprehensive mechanical properties for demanding industrial components.