ASTM A29/A29M 9260 round bars

ASTM A29/A29M 9260 alloy structural steel, is a spring steel. ASTM A29/A29M 9260 can be produced into hot rolled round bars and square bars, cold-drawing bars,forged bars. We henan KUNFENG can supply ASTM A29/A29M 9260 all of shapes.

ASTM A29/A29M 9260 round bar, as a popular Si-Mn spring steel, is mainly used for railway vehicles,cars, tractors or heavy machinery. 9260 round bar owns high strength and hardenability,so it can be used into the situation under 250℃.

According to the market needs, henan KUNFENG supply the oversea markets for ASTM A29/A29M 9260 hot rolled round bars OD 6mm -80 mm and 9260 forged round bars OD 80 mm - 1200 mm, also ASTM A29/A29M 9260 forged square bars OD 100- 1200 mm. The OD tolerance is about 0-3 mm and length tolerance is about 0-20 mm.

are usually produced under the followed procedures: EAF arc furnace + LF purify affinage + VDF + ingot steel(bottom gating /argon) + forged + annealing + black polishing (turnery) + Sep 1921-C/c,D/d,E/e UT test + smooth edges with sawing .

chemical composition by %,maximum

mechanical properties

If you need , or other spring steel grades,pls be free to contact us.