бесшовные стальные трубы / стальных труб / бесшовные трубы / API /

1. Steel pipe series: spiral steel pipes, seamless steel pipes, seamless steel pipes, hot rolled steel pipes, submerged-arc straight welding slit tubes, steel pipes complying with American standards. 2. Pipe fittings: elbows, flange tees, tapered pipes. At present, our company's yearly output is: for OD219-1820 spiral seam two-sided submerged-arc welding steel pipes: 200,000 tons; forOD57-377 hot rolled seamless steel pipes: 200,000 tons; for OD377-630 heat expanded seamless steel pipes: 60,000 tons. We carry out the standards of SY/T5037, JIS G3454 STPG370,STPG380,,STK400, API5L and APT5CT. Our products are widely applicable to long distance pipeline for transportation of petroleum, natural gas, coal gas and water, as well as the industries of petrol-chemical enterprises, craft pipe networks, city central heating projects, gas-pipe networks and others. Our products have many advantages such as high intensity, high pressure resistance, convenient installation, low cost and long lifetime. Therefore, they have gained a good reputation from many users'.