Bright steel Pipes and tubes for furniture
Brand : Sincere
Product origin : Tianjin, China
Delivery time : 20days-25days
Supply capacity : 50000tons per month
bright steel pipes, this kind of pipes surface is different , it is more smooth and more white color, the Tensile properties more good than usual pipes, because it is longer time in the annealed produce process.
it more beautiful, and smooth, it widely used in furniture making directly. it is difference from cold hard steel pipes.
Pipe welding process Raw material uncoiling -- leveling -- end cutting and welding -- lobbing -- forming -- welding -- internal and external bead removal -- pre-correction -- induction heat treatment -- sizing and straightening -- eddy current testing -- cutting -- water pressure inspection -- pickling -- final inspection (strict control) -- packaging -- shipment. chemical composition. | |||||
光亮管牌号 | 光亮管化学成分(%) | ||||
C | Si | Mn | P | S | |
不大于 | |||||
St35 | ≤0.18 | 0.17-0.37 | 0.35-0.65 | 0.035 | 0.035 |
St37.4(10#) | ≤0.18 | 0.17-0.37 | 0.35-0.65 | 0.035 | 0.035 |
St45(20#) | ≤0.25 | 0.17-0.37 | 0.50-0.80 | 0.035 | 0.035 |
St55(35#) | ≤0.22 | ≤0.55 | ≤1.50 | 0.035 | 0.035 |
St52(16Mn) | ≤0.20 | ≤0.55 | ≤1.50 | 0.035 | 0.035 |
CK45 | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | 0.035 | 0.035 |
