China High Pressure Steel Support Pipe

We are specialized in supplying weld steel pipes including High Pressure Steel Support Pipe 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.
Contract person: Rachel pan
Telephone: 86-183-6390-2380

Side
mmSide Tolerance
mmWall Thicknessmm1.21.51.752.0 2.53.0 4.0 5.0 6.0 8.0 10121416Calculated Weight ( Kg/m )20*20± 0.500.679 0.826 0.941 1.050 25*25± 0.500.867 1.061 1.215 1.363 30*30± 0.50 1.296 1.490 1.677 2.032 2.36140*40± 0.50 1.767 2.039 2.305 2.817 3.303 4.198 50*50± 0.50 2.238 2.589 2.933 3.602 4.245 5.454 60*60± 0.603.550 4.387 5.187 6.710 8.129 70*70± 0.65 5.170 6.129 7.966 9.699 80*80± 0.70 5.957 7.071 9.222 11.269 90*90± 0.75 8.013 10.478 12.839 15.097100*100± 0.8011.734 14.409 16.981110*110± 0.9012.99 15.98 18.866120*120± 0.9014.246 17.549 20.749 26.840 130*130± 1.0015.502 19.120 22.634 28.921 140*140± 1.1016.758 20.689 24.517 31.864 150*150± 1.2018.014 22.260 26.402 33.945 160*160± 1.2019.270 23.829 28.285 36.888 170*170± 1.3020.526 25.400 30.170 38.969 180*180± 1.4021.800 27.000 32.100 41.500 190*190± 1.5023.00 28.50 33.90 44.00 200*200± 1.6024.30 30.10 35.80 46.50 220*220± 1.8033.2 39.6 51.5 63.2 73.5 250*250± 2.00 38.0 45.2 59.1 72.7 84.8280*280± 2.20 42.7 50.9 66.6 82.1 96.1300*300± 2.40 54.7 71.6 88.4 104350*350± 2.80 64.1 84.2 104 123400*400± 3.2096.7 120 141 163 450*450± 3.60109 135 160 185 500*500± 4.00122 151 179 207 235

Please contact me: Yan Yan