What are details spring steel 6150/1.8159 round bar ? Namehot rolled spring steel flat bar, 6150 flat spring steel Features 1, chromium vanadium type spring steel; 2, suitable for oil hardening and tempering; 3, good wear and abrasion resistance; 4, excellent toughness and shock resistance. Applications 1, widely used in the motor vehicle industry; 2, suitable for many general engineering applications; 3, crankshafts, steering knuckles, spindles, pumps and gears. Sizes Round bar diameter(mm) length(mm) Max 800 max 9000 Plate thickness(mm)width(mm) length(mm) Max 800 max 2200 max 9000 The above is our regular size, we also can provide customized sizes! Packing 20ft: gw 27t; (5.80mx2.13mx2.18m) 40ft: gw 27t; (11.8mx2.13mx2.18m) Pricethe price will change according to the weight of the steel you need. C si mn p s cr mo 0.48-0.530.15-0.350.70-0.90â?¤0.035 â?¤0.0500.80-1.100.15-0.25