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Shanghai TOP STEEL CO., LTD.
Phone: 86-21-68415567
Phone: 86-21-68415587
E-mail: info@topsteelpipe.com
Fax: 86-21-68415587-8002

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últimas Novas

How to Clean the Oil Casing Bare ...
About the cleaning of oil casing bare pipe: The bare oil casing pipes are cleaned and arrive at the processing plant. Before the formal processing, the oil stain, lime soil, oxide scale rust and old coating on the inner and outer surfaces of the pipeline must be cleaned. The r...
Length dimension of seamless stee...
Steel pipe is the most basic dimensions of the various dimensions of the length of the steel refers to steel length, width, height, diameter, radius, diameter, outside diameter and wall thickness of equal length, Legal units of measurement is the length of steel meters (m), ce...
Low carbon steel
Low carbon steel is also known as soft steel, the carbon content is from 0.10 to .30% and easily accepted by various processing such as forging, welding and cutting, commonly used in the manufacturing chain, rivets, bolts, shafts, etc.. Carbon content less than 0.25% carbon st...
Overall quenching of steel pipe
Overall quenching of steel pipe With the rapid development of China’s oil industry, the demand for high-grade steel is growing, and htgh-grade steel must be quenched, and therefore the study of the overall hardening of steel is very important. The latest developed a R...
Galvanized Square Tube
Galvanized square tube with hot galvanized square tubes and galvanized square tube ‘nto two categories. Galvanized square tubes have wet, dry, lead, zinc, oxidationreduction method. The main difference between the different methods of hot-dip galvanized steel pickling a...

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