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Round Steel Bar
Solid round steel bar with uniform section, stable strength, and good machinability for shafts, fasteners, forged parts, structural supports, and precision components.
Material:
Q235B, 45#, 20Cr, 40Cr; ASTM A36/1020/A572 Gr50; EN S235JR/S355JR/P265GH; JIS SS400/S45C; Russian St series and 09G2S
Standards:
GB/T 702, GB/T 905; ASTM A108/A36/A572; EN 10060/EN 10263; JIS G3101/G4303; GOST 2590/GOST 7417
Diameter:
Φ10-Φ300 mm
Length:
Common 6 m fixed length; cutting, chamfering, and grinding available
Process:
Hot-rolled black round bar; cold-drawn bright finish available
Product Features
- Hot-rolled solid forming provides uniform cross-section, stable strength, and excellent machining performance.
- Multiple carbon and alloy steel grades suit turning, milling, forging, and heat treatment.
- Regular surface and tight dimensional tolerance support cutting, bending, and finishing.
- Solid structure gives strong load-bearing and torsional performance for mechanical parts.
Common Specifications
- Material: Q235B, 45#, 20Cr, 40Cr; ASTM A36/1020/A572 Gr50; EN S235JR/S355JR/P265GH; JIS SS400/S45C; Russian St series and 09G2S
- Standards: GB/T 702, GB/T 905; ASTM A108/A36/A572; EN 10060/EN 10263; JIS G3101/G4303; GOST 2590/GOST 7417
- Diameter: Φ10-Φ300 mm
- Length: Common 6 m fixed length; cutting, chamfering, and grinding available
- Process: Hot-rolled black round bar; cold-drawn bright finish available
Applications
- Mechanical shafts, bolts, gears, mold blanks, and machined components
- Steel-structure embedded parts, tie rods, brackets, and fastening connectors
- Hardware, automotive, and engineering-machinery forged parts
- Building anchor bolts and solid equipment support members
