Steel production of rectangular hollow section keeps growing. From January to September, China’s crude steel output was 748 million tons, up 8.4% year on year. Pig iron output was 612 million tons, up 6.3% year on year. Steel output (including repeatable materials) was 909 million tons, up 10.6 percent year on year. Both imports and export...

The steel industry has entered a new stage of development. In such a situation, we should not only have new ideas and concepts, but also make more technological innovations. At the same time, we should improve the energy and environmental protection chains of cold rolled round steel pipes. Since the 18th national congress of the communist party ...

BS1387 class a,b,c welded galvanized structural steel pipe Material:Q195/Q215/Q235/Q345/S235JR/GR.B-D/STK500 Standard:GB/T3091-2001 , BS 1387-1985 , DIN EN10025 , EN10219 , JIS G3444:2004 , ASTM A53 SCH40/80/STD , BS- EN10255-2004 Surface Treatment 1. PVC,black and color painting 2. Transparent oil,anti-rust oil 3. According to client’s re...

At present, some problems in the steel industry reflect the low concentration of the industry.But in recent years, China steel tube manufacturers have been pushing forward the merger and reorganization. However, the concentration of China’s steel industry has not been significantly increased. What’s the problem? The author believes t...

API 5L Grade a,b,c seamless ssaw steel pipe for water Outer Diameter Seamless:17-914mm 3/8″-36″ LSAW 457-1422mm 18″-56″ Wall Thickness:2-60mm SCH10 SCH20 SCH30 STD SCH40 SCH60 XS SCH80 SCH100 SCH120 SCH140 SCH160 XXS Standard:BS EN 10219, EN 10217, EN10224, ASTM A53, A106, API, JIS G3444, and GB/T3091, GB/T9711 Grade:S235...