Steel Round Bar

Premium low carbon steel wire rods available in diameters from 0.1-20mm with tensile strength ranging 1030-2800 MPa. Multiple surface treatments including black, bright, and galvanized options. ISO9001:2008 certified with 23 years manufacturing expertise. Custom sizes and heat treatments available for industrial applications.

S355JR steel round bars offer 355 MPa minimum yield strength and 470-630 MPa tensile strength. Available in diameters 10-300mm and lengths 4-12 meters, these structural steel rods feature excellent impact resistance and are ideal for bridges, ships, and heavy machinery applications. Hot rolled or forged manufacturing with custom heat treatment options available.

Professional black mild steel wire rods available in SAE 1006, 1008, and 1010 grades with diameters from 5.5mm to 7.5mm. Features include 2000kg coil packaging, tensile strength range of 1030-2800 MPa, multiple surface treatments, and ISO9001:2008 certification. Custom sizing and free samples available for industrial applications.

High-yield structural steel round rod with 355 N/mm² minimum yield strength and 490-630 N/mm² tensile strength. Normalized delivery condition ensures excellent weldability and cold-forming properties. Ideal for construction, engineering, and heavy equipment applications with dimensions up to 300mm thickness and 27000mm length.

Premium ASTM A105 Carbon Steel Bars available in round, square, hex, and flat forms from 3mm to 300mm. These high-strength alloy steel bars feature density of 8.08 g/cm³ and meet ASME SA105 standards for high-pressure boiler systems. Custom sizes and international certifications available.

High-performance nitriding steel forged bars engineered for piston rod applications. Features 1100-1300 MPa tensile strength, excellent wear resistance, and superior nitriding response. Available in black and bright surface finishes with custom mechanical properties and processing options to meet specific requirements.

Premium 36NiCrMo16 chromium-nickel-molybdenum alloy steel bars with 1250-1450 MPa tensile strength and ≥1050 MPa yield point. Ideal for heavy-duty machinery, aerospace components, and industrial equipment requiring exceptional impact resistance, wear resistance, and hardenability. Available in round, square, and hexagonal forms with custom forging options.

High-strength ASTM A1045 S45C hexagonal steel bars with 600 MPa tensile strength and 355 MPa yield strength. Available in diameters from 13mm to 120mm and lengths up to 5800mm. Quenched and tempered for superior mechanical properties, suitable for petrochemical, aerospace, and power plant applications with multiple finish options.

34CrNiMo6 alloy steel round bar offers exceptional mechanical properties with tensile strength up to 1400 N/mm² and yield strength from 600-1000 N/mm². This quenched and tempered engineering steel provides high toughness, excellent hardenability, and is ideal for heavy-duty applications including turbine shafts, crankshafts, and high-load transmission components. Available in diameters from 10mm to 3000mm with multiple surface finish options.

High-quality 20MnCr5/1.7147 alloy carburizing steel for gearing applications. Features 520 MPa tensile strength, 415 MPa yield strength, and excellent heat treatability. Available in round bars, flat bars, plates, and custom-cut sizes. Meets DIN, ASTM, JIS, and GB standards. Ideal for heavy-duty machinery, automotive, and industrial equipment components requiring superior strength and durability.

34CrMo4 (1.7220) alloy special steel round bar offers excellent mechanical properties with tensile strength up to 1200 MPa. Features chromium-molybdenum composition for enhanced strength, suitable for quenching and tempering applications across multiple international standards including EN 10083-3 and EN 10250-3.

Hot-rolled alloy structural steel bar in 35CrMoVA grade, compliant with JIS SCM435, AISI 4135, and DIN 1.7220 standards. Available in thickness 10-90mm and width 60-610mm. Ideal for pressure vessel manufacturing including gas cylinders, offering superior strength and international certification compliance.

High-strength 34CrNiMo6 alloy steel round rod with black surface finish, hot rolled and quenched & tempered. Meets EN 10083 and DIN 1.6582 standards with tensile strength up to 1400 MPa and excellent impact resistance at -40°C. Ideal for heavy-duty industrial applications requiring superior mechanical properties.

Premium case-hardening alloy steel with 1.5-1.8% chromium, 1.4-1.7% nickel, and 0.25-0.35% molybdenum. Delivers exceptional core strength (1050-1350 N/mm²) and toughness in medium to large sections. Ideal for heavy-duty gears, shafts, and wear-resistant components requiring high surface hardness up to Rc62.

AISI 5140/41Cr4 cold drawn steel square bar offers excellent mechanical properties with sizes from 8×8mm to 100×100mm. Features good hardenability, superior machinability, and compatibility with multiple heat treatments including quenching and tempering. Ideal for gears, shafts, and industrial components requiring durability and precision.

S355J2 structural steel round bars offer superior 355 MPa minimum yield strength and excellent weldability. Available in diameters from 140mm to 1000mm with lengths up to 10,000mm. Normalized condition ensures uniform properties for axles, machinery parts, bridges, and construction equipment with good cold-forming capabilities.

High-strength AISI 4340 alloy steel round bars with 280-320 HB hardness, superior toughness, and excellent fatigue resistance. Available in cold drawn, hot rolled, and forged forms with diameters from 6mm to 1000mm. Ideal for heavy-duty axles, shafts, gears, and high-stress industrial applications requiring enhanced mechanical properties.

X20CrMoV11-1 (1.4922) martensitic creep-resistant alloy steel bars with 10-12.5% chromium content. Available in diameters from 1mm to 2000mm, featuring excellent high-temperature strength and oxidation resistance. Custom forging, heat treatment, and ultrasonic inspection available for industrial valve and machinery applications.

Premium 17CrNiMo6 alloy steel round bars with diameters from 5-1000mm and lengths 3000-6000mm. Heat treated for exceptional bending strength, wear resistance, and toughness. Ideal for transmission gears and heavy-duty mechanical components requiring superior mechanical properties and durability.

Premium 50CrVA alloy steel round bar offering excellent spring properties, high tensile strength, and superior fatigue resistance. Equivalent to 50CrV4 standard, this chromium-vanadium steel is ideal for automotive springs, industrial components, and high-stress mechanical applications requiring durability and reliability.