Round Steel Bar
Round Steel Bar

Round bars include hot rolled, cold drawn and precision ground types, produced by billet heating rolling or cold drawing annealing. Smooth round surface, dense internal texture and balanced toughness & hardness with excellent machining, forging and heat treatment performance. Applied for shafts, bolts, mold blanks, mechanical tie rods and bridge anchors.


Item

Details

Common Size Range

Diameter:6–300mm; Standard length:6/9/12m; Cold drawing tolerance ±0.05mm

Material Grade (GB/ASTM/EN/BS/AS)

GB: Q235B, Q355B, 45#; ASTM: A36, 1018, 1045; EN: S235JR, C45; BS: 080A15, 080A45; AS: G250, 4140

Executive Standard (GB/ASTM/EN/BS/AS)

GB: GB/T 702-2017; ASTM: ASTM A108, ASTM A36; EN: EN 10060, EN 10263; BS: BS 970-1; AS: AS/NZS 3679.2