Industrial News
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Cold-formed steel
Cold-formed steel refers to the use plates or strip bent in a cold state of the various cross-sectional shape of the finished steel. Cold-formed steel is an economical lightweight thin-walled steel cross-section, also called cold-formed steel profiles. Bending section steel is the main material o...Read more -
Defects and treatment of cold drawn steel pipe
Defects and treatment of cold drawn steel pipe is as following: 1, folding: pulling system, cold drawn steel pipe inside and outside surfaces rendered straight or spiral direction of folding, the emergence of local or long pass on the pipe. The cause: the surface of the pipe material folded or fl...Read more -
Causes and measures of oilpipeline leakages
Resulting oil pipeline leakages is for many reasons, there are some followings below. Some one-sided pursuit of profit, reduction of investment in safety protection facilities fierce competition in the market economy, in order to reduce costs, the pursuit of high profits, people are quick success...Read more -
Annealing and quenching of cold drawn steel
Annealing of cold drawn steel The annealing of cold drawn steel is commonly used in the production of preliminary heat treatment process. The majority of machine parts and engineering, mold rough can eliminate internal stress and composition of casting, forging and weldment inhomogeneity; can imp...Read more -
Pipeline system design
Pipeline system design refers to the design of the refrigerant compressor and a variety of refrigeration equipment, components connected together to form a reasonable cooling system, including the diameter determined, heat pipes and fittings and pipe layout. Cold storage installation design is go...Read more -
DIN 30670
DIN 30670 refers to polyethylene coatings on steel pipes and fittings –Requirements and testing. This standard specifies requirements for factory-applied three-layer extruded polyethylene-based coatings, and one- or multi-layered sintered polyethylene-based coatings for the corrosion protection o...Read more
