| product name | square steel pipe | |||||||
| Hs code | 73066100 | |||||||
| Usage | Mechanical & manufacture, Steel structure,Shipbuilding, Bridging ,Automobile chassis | |||||||
| daimeter | SHS: 15*15-400*400mm, RHS: 20*25-400*300mm | |||||||
| thinkness | 0.3-40mm | |||||||
| length | 2m-12m or as per customers’ requirement | |||||||
| Steel Grade | Q195, Q235, Q345, Ss400, S235, S355jr and So on | |||||||
| materials | SPHC, Q195,Q215,Q235,Q345,SAE1010,SAE1020, API Standard material, ASTM A53 A,B | |||||||
| standard | GB/T 6728, ASTM A500, En 10210, En 10219 and So on | |||||||
| surface treament | Oiled, Painted, Galvanized and So on/Black painting/varnished surface,anti-corrosion oil, | |||||||
| processing service | Bending, Welding, Punching, Cutting and So on | |||||||
| Pipe end | Plain end | |||||||
| Certificate | ISO,BV,API | |||||||
| Tolerance: | 5% | |||||||
| Delivery Time | 25~30days or as per your request | |||||||
| Payment Term | Down Payment 30%T/T in advance and Balance 70%T/T before loading or L/C at sight | |||||||
| Transport Package | in Bulk, Waterproof Packing and So on | |||||||
| Constituent of the material | ||||||||
| Grade | C | Mn | Si | S | P | UTS(MPa) | YS(MPa) | EI(%) |
| Q235B | 0.12-0.20 | 0.30-0.70 | 0.3 | 0.045 | 0.045 | 375-500 | 235 | 26 |
| Q345B | 0.12-0.20 | 1.20-1.60 | 0.20-0.55 | ≤0.045 | ≤0.045 | 510-600 | 345 | 22 |
| 20#(GB) | 0.17-0.23 | 0.38-0.65 | 0.17-0.37 | ≤0.030 | ≤0.030 | 410-550 | ≥245 | ≥20 |
| Thick wall square &rectangular tube specification table | ||||||||
| name of product | size | wall thickness | name of product | size | wall thickness | |||
| square steel pipe | 20*20 | 1.3-2.5 | rectangular steel pipe | 20*30 | 1.3-2.75 | |||
| 25*25 | 1.3-2.75 | 20*40 | 1.3-2.75 | |||||
| 30*30 | 1.3-2.75 | 25*40 | 1.3-2.75 | |||||
| 40*40 | 1.3-3.75 | 30*50 | 1.3-4.75 | |||||
| 50*50 | 1.3-5.75 | 30*60 | 1.3-4.75 | |||||
| 60*60 | 1.3-5.75 | 40*50 | 1.3-4.75 | |||||
| 70*70 | 1.3-5.75 | 40*80 | 1.3-4.75 | |||||
| 80*80 | 1.3-5.75 | 50*70 | 1.3-4.75 | |||||
| 90*90 | 1.3-5.75 | 50*80 | 1.3-4.75 | |||||
| 100*100 | 1.5-12 | 60*90 | 1.3-4.75 | |||||
| 120*120 | 2.5-12 | 50*100 | 1.3-5.75 | |||||
| 140*140 | 2.75-16 | 50*150 | 1.3-5.75 | |||||
| 150*150 | 3.0-16 | 60*160 | 1.3-5.75 | |||||
| 160*160 | 3.0-16 | 100*150 | 2.5-16 | |||||
| 180*180 | 3.0-16 | 100*200 | 2.5-16 | |||||
| 200*200 | 3.0-16 | 100*250 | 2.5-16 | |||||
| 250*250 | 4.75-20 | 150*300 | 4.5-16 | |||||
| 300*300 | 4.75-20 | 200*300 | 5.5-20 | |||||
| 400*400 | 4.75-20 | 200*400 | 5.5-20 | |||||
| 500*500 | 4.75-20 | 400*600 | 5.5-20 | |||||
