Tianjin Tianyingtai Steel Pipe Co., Ltd. is one of the most credible manufacturers and suppliers of pipe factory high quality q235,bs1387,astm a53,a500,s235jr,ss400 pregalvanized steel pipe/pregalvanized welded round pipe/round tubes/gi pipe with better price in China. Welcome to consult the quotation and import cheap pipe factory high quality q235,bs1387,astm a53,a500,s235jr,ss400 pregalvanized steel pipe/pregalvanized welded round pipe/round tubes/gi pipe with better price made in China here from our factory.
Pre galvanized steel pipe:
| Outer Diameter | Wall Thickness | Length | |
| Inch | mm | mm | meter |
1/2" | 20mm | 0.8mm-2.0mm | 0.3m-12m |
3/4" | 25mm | 0.8mm-2.0mm | 0.3m-12m |
1" | 32mm | 0.8mm-2.0mm | 0.3m-12m |
1-1/4" | 40mm | 0.8mm-2.0mm | 0.3m-12m |
1-1/2" | 47mm | 1.0mm-2.5mm | 0.3m-12m |
2" | 60mm | 1.0mm-2.5mm | 0.3m-12m |
2-1/2" | 75mm | 1.0mm-2.5mm | 0.3m-12m |
3" | 88mm | 1.0mm-2.5mm | 0.3m-12m |
4" | 113mm | 1.0mm-2.5mm | 0.3m-12m |
5" | 140mm | 1.0mm-2.5mm | 0.3m-12m |
6" | 165mm | 1.0mm-2.5mm | 0.3m-12m |
Standard: GB/T3091 - 2001 ,BS1387 - 1985 , DIN EN10025 ,EN10219 , JIS G3444:2004 , ASTM A53
Steel Grade: GB/T3091 - 2001: Q195,Q235 , Q345
BS1387 - 1985 , DIN EN10025 ,EN10219 :S235JR ,S275JR,S355JR, S355J2H
JIS G3444:2004:STK400 ,STK500
ASTM A53: GR. A , GR. B, GR. C , GR. D
Hot dip galvanized steel pipe:
| Outer Diameter | Wall Thickness | Length | |
| Inch | mm | mm | meter |
| 1/2" | 21.3mm | 0.6mm-3.0mm | 0.3m-12m |
| 3/4" | 26.9mm | 0.6mm-3.0mm | 0.3m-12m |
| 1" | 33.4mm | 1.0mm-3.0mm | 0.3m-12m |
1-1/4" | 42.3mm | 1.0mm-4.0mm | 0.3m-12m |
1-1/2" | 48.3mm | 1.0mm-4.0mm | 0.3m-12m |
2" | 60.3mm | 1.5mm-4.0mm | 0.3m-12m |
2-1/2" | 76.1mm | 1.5mm-4.0mm | 0.3m-12m |
3" | 88.9mm | 1.5mm-9.5mm | 0.3m-12m |
4" | 114.3mm | 2.0mm-9.5mm | 0.3m-12m |
5" | 141.3mm | 3.0mm-9.5mm | 0.3m-12m |
6" | 168.3mm | 3.0mm-12.0mm | 1.0m-12m |
8" | 219.1mm | 3.2mm-12.0mm | 1.0m-12m |
10" | 273mm | 3.2mm-12.0mm | 1.0m-12m |
12" | 323.8mm | 6.0mm-15.0mm | 1.0m-12m |
14" | 355.6mm | 8.0mm-15.0mm | 1.0m-12m |
16" | 406.4mm | 8.0mm-20.0mm | 1.0m-12m |
2.Pre-galvanized square&rectangular steel pipe: Pre-galvanized square/rectangular tube is made of hot dipped galvanized steel strip directly.
3.Hot dipped galvanizedsquare&rectangular steel pipe : Hot dipped galvanized square/rectangular tube owns thicker zinc coating than pre-galvanized square/rectangular tube. Black tubes will be dipped into zinc pool for galvanizing.
4.Electro galvanized square&rectangular steel pipe : The technology of electro galvanized square/rectangular tube is similar to hot dipped galvanized tube, but the thickness of zinc coating is less than hot dipped galvanized tube.
5.Painted square&rectangular steel pipe:Painted square/rectangular to remove the rust and clean the oil first and then paint the required color paint.
Standard:GB/T6728:2002,ASTMA500,JIS G3466,EN10210,EN10219
Steel Grade:
GB/T6728:2002 : Q195 , Q235 , Q345
ASTM A500:GR. A , GR. B, GR. C , GR. D
JIS G3466 : SS440,SS540
EN10210, EN10219: S235JR ,S275JR,S355JR, S355J2H
Square & rectangular steel tube : The size can be based on your requirement to custom.
| Name | Size | Wall Thickness | Length |
| mm | mm | m | |
| Square tube | 10x10-500x500 | 0.6-25.0 | 1-12m |
| Rectangular tube | 20x10-200x400 | 0.7-13.0 | 1-12m |
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