China Steel Square Hollow Section Carbon Pipe 15*15*0.5mm-500*500*15mm

We are specialized in supplying weld steel pipes including square steel pipe, rectangular steel pipe. They are long, hollow tubes which are made by cold rolling with steel strips.
1. Standard: GB/T6728 ASTM A500
2. Material: Q195, Q235, Q345=16Mn etc.
3. Side: 15*15*0.5mm-500*500*15mm
4. Length: 6-12m
5. Application: Conveying low pressure fluid, machinery manufacturing, structural projects, auto fabrication, agricultural chemistry and solar power stent, etc.
6. Others: Square Hollow Section, Steel Pipe, steel pipe and tube, structual steel pipe, welded pipe, ASTM pipe, steel carbon tube, industrial pipe etc.
Contact person: Sophia
Mob: +86-15764299501

Side
mmSide Tolerance
mmWall Thicknessmm1.21.51.752.02.53.04.05.06.08.010121416Calculated Weight ( Kg/m )20*20± 0.500.6790.8260.9411.050









25*25± 0.500.8671.0611.2151.363









30*30± 0.50
1.2961.4901.6772.0322.361







40*40± 0.50
1.7672.0392.3052.8173.3034.198






50*50± 0.50
2.2382.5892.9333.6024.2455.454






60*60± 0.60


3.5504.3875.1876.7108.129





70*70± 0.65



5.1706.1297.9669.699





80*80± 0.70



5.9577.0719.22211.269





90*90± 0.75




8.01310.47812.83915.097




100*100± 0.80





11.73414.40916.981




110*110± 0.90





12.9915.9818.866




120*120± 0.90





14.24617.54920.74926.840



130*130± 1.00





15.50219.12022.63428.921



140*140± 1.10





16.75820.68924.51731.864



150*150± 1.20





18.01422.26026.40233.945



160*160± 1.20





19.27023.82928.28536.888



170*170± 1.30





20.52625.40030.17038.969



180*180± 1.40





21.80027.00032.10041.500



190*190± 1.50





23.0028.5033.9044.00



200*200± 1.60





24.3030.1035.8046.50



220*220± 1.80





33.239.651.563.273.5


250*250± 2.00






38.045.259.172.784.8

280*280± 2.20






42.750.966.682.196.1

300*300± 2.40







54.771.688.4104

350*350± 2.80







64.184.2104123

400*400± 3.20








96.7120141163
450*450± 3.60








109135160185
500*500± 4.00








122151179207235