From the moment I start, I am your partner for steel carbon shaft solutions. I deliver tailor-made options for Custom needs and for Factories that require steady performance. This steel carbon shaft blends high-strength carbon steel with controlled hardness and straightness for automation, conveyors, gearboxes, and robotics. I can customize length, diameter, tolerance, surface finish, and heat treatment to match your exact application. With in-house CNC turning, grinding, and NDT quality checks, I guarantee tight tolerances, low runout, and long-lasting durability. For Factories, fast lead times and predictable pricing matters, so I provide rapid quotes, flexible MOQs, and scalable production. All shafts are tested for dimensional accuracy, surface defects, and load capacity to ensure reliable service. If you’re looking to optimize your equipment, I’ll work with you to design the right Custom shaft perfectly fit to your machine.
Steel carbon shafts form the quiet backbone of precision machinery across industries—from automotive to energy. With controlled carbon content, tight tolerances, and reliable heat treatment, they deliver smooth rotation, predictable stiffness, and long service life for demanding applications. A true partner offers more than parts: transparent lead times, strict quality control, and complete traceability from material to finished piece. Flexible production, scalable stock programs, and careful packaging enable reliable on-time delivery across regions. Global buyers gain reduced risk, consistent geometry, and predictable performance in complex projects. Collaborative engineering support helps optimize design, cut waste, and meet regulatory requirements. By sharing data, improving process control, and pursuing sustainable practices, a partner strengthens resilient supply chains and turns components into strategic assets.
| Grade | Carbon Content (%) | Typical Tensile Strength (MPa) | Yield Strength (MPa) | Elongation at Break (%) | Hardness (HRC) | Standard | Common Applications |
|---|---|---|---|---|---|---|---|
| 1018 Cold Drawn | 0.18–0.23 | 440–470 | 270 | 20–28 | 12–18 | AISI/SAE 1018 | Shafts, pins, small machine components |
| 1020 | 0.20–0.28 | 395–570 | 270–310 | 25–42 | 15–22 | AISI/SAE 1020 | Shafts, rods, pins |
| 1045 | 0.43–0.50 | 570–700 | 310–370 | 14–22 | 18–25 | AISI/SAE 1045 | Shafts, gears, fasteners |
| 4130 Chrome-Moly | 0.28–0.30 | 745–900 | 520–760 | 12–18 | 28–32 | AISI/SAE 4130 | Shafts, structural components |
| 4140 Chromoly | 0.38–0.43 | 655–900 | 450–800 | 15–22 | 28–36 | AISI/SAE 4140 | Shafts, gears, tooling |
| 52100 Bearing Steel | 0.98–1.05 | 1900–2100 | 1500–1800 | 8–12 | 60–66 | AISI/SAE 52100 | High-precision shafts, bearing components |