line pipe - Factory, Suppliers, Manufacturers from China

line pipe, , , ,. The product will supply to all over the world, such as Europe, America, Australia,, ,, .

How to test seamless steel pipe?Which projects are the focus!

Seamless steel pipe is a kind of long steel with hollow section and no joint around.The steel pipe has a hollow section and is widely used for conveying fluid pipelines, such as conveying oil, natu...
China’s iron ore price index decreases on Jun 4

According to the data from China Iron and Steel Association (CISA), China Iron Ore Price Index (CIOPI) was 730.53 points on June 4, which was down by 1.19% or 8.77 points compared with the previou...
China's government plans to increase tariffs on steel products to control exports

The Chinese government has removed and reduced export rebates on most steel products since May 1. Recently, the Premier of the State Council of China emphasized ensuring the supply of commodities ...
Introduction to petroleum Casing（2）

Petroleum casing chemical composition: standard brand Chemical composition (%) C Si Mn P S Cr Ni Cu Mo V Als API SPEC 5CT J55K55 (37Mn5) 0.34 ~ 0.39 0.20 ~...
GB5310 high pressure boiler tube

GB/T 5310 is a kind of boiler tube. Its representative material is 20g, 20mng, 25mng. It is a medium carbon steel with less manganese. The delivery length of boiler tube is divided into two kinds: ...
Analyses of Steel market condition

My steel: Last week, the domestic steel market prices kept going strong. First of all, from the following points, first of all, the overall market remains optimistic about the progress and expectat...