Price Carbon Steel Billets Square Billets Size: 50x50mm-180x180mm Steel Grade: 3SP, 5SP,Q195,Q235, Q255,Q275,your chemical composition Length: 3m-12m MOQ: 500MT/size Payment term: 1. TT for small order. 2. Irrevocable 100% LC at sight from first class bank. 3. Usance LC. Packing: in bulk , bundle Shipment: by container , bulk vessel. Delivery time: base on order quantity. Loading port: Tianjin, or other port China Origin : China Inspection: Third party inspection before loading. Chemical Composition Parameter : Steel Grade: C% Mn% Si% S%: P%: 3SP 0.14-0.22 0.60-0.85 0.05-0.30 0.050max 0.040max 5SP 0.28-0.37 0.80-1.00 0.15-0.30 0.050max 0.040max Q195 0.13max 0.30-0.55 0.30max 0.045max 0.045max Q235 0.14-0.24 0.30-0.65 0.45max 0.045max 0.045max Q255 0.16-0.25 0.40-0.70 0.45max 0.045max 0.045max Q275 0.30max 0.65-0.75 0.45max 0.045max 0.045max 20MnSi 0.17-0.25 1.20-1.60 0.40-0.80 0.050max 0.050max We can produce steel billet according to your required checmical composition data.