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Galvanized steel pipe
Galvanized steel pipe production line Galvanized steel pipe production line has special requirements, especially in a production environment, this a good environment can help us to better production, improve production efficiency and production quality, especially galvanized steel pipe, this need...Read more -
ERW pipe technical requirements
ERW pipe technical requirements Technical requirements For oil and gas transport For low pressure fluid conveying Material Gr.b Gr.b Pipe body diameter D＜508mm, ±0.75%; D≥508mm, ±0.75% D≤168.3, ±1.0%; 168.3＜D≤508,±0.75%; Wall thickness D＜508mm,+15.0%，－12.5%; D≥508mm, +17.5%，－10% ...Read more -
Difference between saw and hfw pipe
Difference between saw and hfw pipe (1) submerged arc welding Submerged arc welding use a continuous feed wire as electrode and filled metal. Welding, at the upper surface of the weld zone, covered with a layer of granular flux, burning arc in the flux layer of the end portion of the wire and a p...Read more -
Difference Between ASTM and ASME Standard
ASTM material standards are developed by the American Society for Materials and Testing, ASTM material standards can include the chemical, mechanical, physical and electrical properties of the material. These standards include both a description of test methods to be performed on building materi...Read more -
Cold rolling continuous
Cold rolling continuous After annealing of cold-rolled steel coil finishing must be carried out, including the cutting head, tail, cutting, flattening, smooth, rewinding or vertical clipboard and so on. Cold-rolled products are widely used in automobile manufacturing, electronics, instrumentation...Read more -
Create Infinite Possibilities -Hunan Great Steel Pipe Co.,ltd
For the enterprise marketing strength, a high quality team with a strong belief may be equal to an efficient marketing performance, may be equal to a number of market development and consolidation, may also create more equal to the performance.As the first subsidiary of Shinestar Group, as a worl...Read more