High-Quality Round Steel Bars - Standard ASTM, Polished Surface, Excellent Weldability

Round steel refers to a solid long steel bar with a circular cross section. Its specifications are expressed in diameter, in millimeters (mm). For example, "50mm" means a round steel with a diameter of 50 mm. Round steel is mainly used to manufacture mechanical parts, as seamless steel pipe billets, or for construction and hardware accessories. ‌

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StandardASTM A29, ASTM A108, ASTM A255, ASTM A322, ASTM A370, ASTM A388 API 6A 
Diameter5mm-800mm  
Length100mm-120mm  
SurfacePolished,Black 
Advantages* Excellent weldability
* High yield strength
* High ultimate tensile strength
Grade SummaryA chromium molybdenum alloy steel. Alloy 4130 is a widely used Aircraft Steel due to its weldability, ease of fabrication and mild
ApplicationAircraft seating, Roll cages, Motorsport applications

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