square pipe steel tube

We are specialized in the production of high-frequency square tube, with a combination of rolling, setting,cold rolling and welding. Good quality strip steel and advanced equipment are used to produce high-frequency square tube of all sizes. Our annual output reaches up to 50000-80000 tons. The tubes are used for watersupply, building support and machinery. The tubes meet the state standard, and are also available for customer making requests.

Standard (GB/T6728-2002) or ASTM A500 or EN10219

square pipe

Material: Q235,Q345/SS330,SS400/S235JR,S355JR/ST37,ST52
Thickness: 0.5mm~2.2mm
Length:1000mm-12000mm

We have advantage in quality, price, regular supplies
and services. Our products are much admired in the
world market, and they are widely used in water, oil, gas
transmission, etc.

Galvanized pipe

Line tube is used in the transportation of water,gas, oil.

End finish: plain end/ short round thread/ long round thread / buttress thread

WT:4-25mm

Grade:J55 M55 K55 L80 N50 P110 X42 X52 X56 N80 P110

APL 5L

Oil line pipe

Packing: in bundles, varnish coating ,Ends can be beveled or square cut, end capped.

Schedule of seamless steel pipe: SCH20 SCH30 SCH40 STD  SCH80  XS  SCH60 SCH80 SCH120 SCH140  SCH160

Specification: DIN2448/1629 st37 st44 st 44 st52

 Seamless pipe

We are specialized in the production of high-frequency square tube, with a combination of rolling, setting, cold rolling and welding. Good quality strip steel and advanced equipment are used to produce high-frequency square tube of all sizes. Our annual output reaches up to 50000-80000 tons. The tubes are used for watersupply, building support and machinery. The tubes meet the state standard, and are also available for customer making requests.

Standard (GB/T6728-2002) or ASTM A500 or EN10219

square pipe  /  Galvanized square hollow section

square pipe steel tube 

square pipe steel tube
Standard (GB/T6728-2002) or ASTM A500 or EN10219