Steel Round Bar

High-yield non-alloy steel round bar with 355 MPa minimum yield strength. Excellent weldability, cold-forming properties, and temperature resistance. Ideal for construction, offshore, and machinery applications. Available in normalized condition with custom sizes and finishes.

40Cr alloy steel round bar with 80mm diameter and 6M length. Offers high tensile strength and hardenability. Suitable for gears, shafts, and automotive parts. Custom sizes available. Equivalent to SCr440 and ASTM 5140.

GCr15 bearing steel round bar, equivalent to AISI 52100 and DIN 100Cr6. Features high purity, uniform carbide, and excellent wear resistance. Ideal for bearings, gears, and shafts. Supports custom sizes and ultrasonic inspection.

High-strength nitriding steel round bar in 470mm diameter, grade 1.8519 31CrMoV9, quenched and tempered. Offers excellent wear resistance and tensile strength up to 1300 MPa. Custom sizes available, EN 10085 certified, ideal for heavy-duty industrial applications.

EN 10084 certified 16MnCr5 case hardening steel bar, 32mm diameter. High tensile strength, excellent wear resistance. Ideal for gears, shafts, bearings. Custom sizes available. Equivalent to SAE 51204.

High hardness 45-60HRC grinding rods with impact value ≥12J/cm2. Custom sizes from 30-200mm diameter and 1000-6000mm length. Ideal for cement, concrete, and metallurgical applications. Durable and efficient.

High-strength 42CrMo4 alloy steel bar in quenched and tempered condition with hardness 28-32HRC. Diameter 25mm, length 2500mm. Excellent toughness and wear resistance for shafts, gears, and spindles. Custom sizes and surface finishes available.

High-strength 42CrMo (AISI 4140) alloy steel round bar, cold drawn to Φ16x2500mm. Quenched and tempered to 28-32HRC for excellent toughness and wear resistance. Ideal for shafts, gears, and spindles. Custom sizes and surface finishes available.

16MnCr5 (1.7131) case hardening steel round bar, equivalent to AISI 5115. Offers core tensile strength of 800-1100 N/mm² and excellent wear resistance. Ideal for gears, shafts, and bearings. Available in sizes 6-1000mm with custom heat treatment and surface options.

High-strength 18CrNiMo7-6 forged steel bar in round (200-1000mm) and square (150-600mm) sizes. UT tested per SEP1921 Class C/c or D/d. Offers normalized, annealed, or Q&T conditions. Custom machining and low MOQ available.

High strength and toughness 34CrNiMo6 alloy steel round bar, OD 130mm. Hot rolled and quenched tempered. Equivalent to 1.6582 or 4337. Ideal for heavy machinery axles, gears, and shafts. Custom sizes and surface finishes available.

High strength nickel-molybdenum alloy steel round bar, quenched and tempered. Ideal for heavy machinery axles, turbine shafts, gears, and high load transmission parts. Available in 130mm diameter, 6M length. Custom sizes offered. Certified to EN 10083-3.

DIN 30CrNiMo8 alloy steel round bar, Q+T treated for high strength up to 1560 N/mm². Ideal for heavy-duty automotive and mechanical components. Available in diameters 20-550mm. Reliable quality, ready for shipment.

High-strength 20CrMnMo special alloy steel bar, hot rolled and shot blasted. Ideal for heavy-duty shafts and gears. Offers excellent toughness and wear resistance. Custom sizes and processing available. Meets GB/T 3077 standard.

High-strength 20CrMnMo alloy steel round bar, quenched and heat treated for enhanced durability. Ideal for heavy-duty industrial applications. Available in custom sizes with full GBT certification. Reliable for B2B export.

High-strength alloy steel round bar per GB A34202 GB/T 3077 grade 20CrMnMo. Diameter 150mm, hot rolled and heat treated for enhanced durability. Ideal for shafts and structural components. Custom processing available with full quality control.

High-strength alloy steel bar in 42CrMo4 grade, cold drawn for superior dimensional accuracy and machinability. Supplied with EN10204 3.1 material certificate. Ideal for shafts, fasteners, and automotive parts. Custom sizes available.

High-strength 20CrMo alloy steel round bar, hot rolled to 40mm diameter. Excellent hardenability and machinability. Ideal for gears, shafts, and high-pressure pipes. Meets ASTM, DIN, JIS standards. Custom sizes available.

ISO9001 certified 42CrMo4/4140 steel round bar in 20-420mm diameter. Quenched and tempered for high strength, toughness, and fatigue resistance. Suitable for gears, shafts, and molds. Flexible MOQ and prompt stock delivery with MTC 3.1/3.2.

High-strength 30CrNiMo8 alloy steel round bars, hot rolled and forged, OD 20-800mm. Excellent tensile strength up to 1450 MPa, impact resistance, and hardenability. Ideal for heavy-duty shafts, gears, and fasteners. Custom sizes available, certified to EN 10083-3.