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Transverse crack weld
Transverse crack weld in weld metal solidification crystallization process produces. Solidification, low melting point eutectic enrichment at the grain boundaries, a “liquid film”, due to the weld solidification shrinkage by tensile stress, eventually cracking the formation of cracks,...Read more -
Thermal Expansion Steel Pipe
Thermal expansion steel pipe means that the density is relatively low, but a strong contraction of the steel pipe, (seamless steel pipe) can be referred to as thermal expansion. Expanded by cross rolling method or methods of pipe diameters drawing a blank pipe finishing processes. In a short peri...Read more -
The pipeline classification and grading
The pipe is coupled into the device for conveying gas, liquid or solid particles in the fluid pipe, pipe couplings and valves. The pipeline project is a very widely used construction technology, occupies an important position in the construction project, the type of pipeline, mainly in the transp...Read more -
In May, China exported 5.743 million tons of steel.
According to the data of the General Administration of Customs on June 10, China exported 5.743 million tons of steel in May 2019, a decrease of 583,000 tons from the previous month, a decrease of 9.22% from the previous month and a decrease of 16.5% from the same period...Read more -
The rainy season is coming, steel prices are weak
Since late May 2019, the rebar futures contract of 1910 has fluctuated downwards. The price of iron ore futures also declined slightly, but the decline was much smaller than that of rebar futures. The industry believes that the downstream demand for steel will be weakene...Read more