Jul-10-2018
The American petroleum institute API specifies different specifications for the pipeline steel. The two pipe specifications under API 5L X42 are API 5L X42 PS
Jul-09-2018
With the rapid development of continuous rolling of high quality steel strip, the progress of welding and inspection technology, the continuous improvement of
Jul-05-2018
There are many defects in the welding process of EN10297-1 34CrMo4 alloy tube, such as inclusion, bubble, burning, and so on. Only a standard welding process
Jul-03-2018
The production process of EN10297-1 E355 seamless pipe is mainly accomplished by stretch reducing. The stretch reducing process is a continuous rolling proces
Jul-03-2018
This week, China's EN10297-1 C45E seamless steel pipe market has a strong demand, and the quotations of economic and trade partners have been raised as a whol
Jul-02-2018
The DIN17175 ST45.8 steel pipe users are usually particular about quality. However, there are also a lot of shoddy DIN17175 ST45.8 steel pipe on the market. S
Jul-02-2018
As leading DIN17175 17Mn4 steel pipe supplier in China, BBN steel received a lot of complainments from clients about inferior DIN17175 17Mn4 steel pipe on the
Jun-27-2018
According to different production methods, DIN17175 13CrMo44 seamless tubes can be divided into hot rolled 13CrMo44 tubes, cold rolled 13CrMo44 tubes, cold dr
Jun-26-2018
Is it another round of roller coaster for the price rise of DIN17175 ST35.8 boiler tubes? The industry has a different opinion on it. The more consistent view
Jun-25-2018
Fixed length within certain range is an effective measure to save materials of ASTM A519 4140 steel pipes. That is to require the 4140 pipe delivery within
Jun-22-2018
ASTM A519 4130 chromium molybdenum seamless steel pipes are mainly used for manufacturing steel pipe off-road vehicles, rock climbing vehicles, all terrain ve
Jun-13-2018
The most commonly used alloying elements in ASTM A572 Grade 50 low alloy steel are manganese, silicon, chromium and nickel. If corrosion resistance must be
Jun-13-2018
Copper element is often added to the ASTM Corten B weathering steel to improve the corrosion resistance of Corten B steel. The copper steel in the heating pro
Jun-13-2018
The furnace time, thickness and furnace temperature, and the copper nickel ratio etc. are the main factors that lead to copper brittleness defects of ASTM Cor
Jun-11-2018
In order to make heat or cold work easily and economically to make various components of engineering structure, EN S355JR low alloy and high strength steel pl
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