Product News
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A333-6 low temperature steel pipe welding
A333-6 steel pipe is a low-temperature steel. The minimum temperature of 70 ° C. Usually normalized or normalized and tempered state supplier. A333-6 steel carbon content is lower, so hardened the tendency and cold cracking tendency are relatively small. Material toughness and ductility is better...Read more -
316l stainless steel surface hardening process and heat treatment process
Stainless steel tube heat treatment main purpose is to change the inner pipe metal matrix structure, improve the hardness of stainless steel pipe, but because it is not fundamentally change the pipe morphology, and therefore can not effectively improve the strength and toughness of the stainless ...Read more -
Detailed Introduction of the API Steel Pipes
Here is the detailed introduction of the API steel pipe including the physical properties. API steel pipe in steel pipe industry has stable proportion of 42% ~ 42% in recent years. And the welded pipe has a rising trend. API steel pipes and welded steel pipe is the reliability of the materials an...Read more -
Characteristics and applications of hot extruded steel pipe
In recent years, the worldwide high-end seamless pipe market recovery and the country’s economic strength gradually increased, the hot extrusion production process of seamless steel pipe ushered in a new round of development opportunities. Hot extruded pipe production process using hot extr...Read more -
Advanced technology of L390 line pipe controlled cooling
Since the first set of laminar cooling system is applied to L390 line pipe production since, under the joint efforts of national science and technology workers, the control technology has been developed rapidly cooling after rolling. First, the development of technology, the progress reflected in...Read more -
Causes of low pressure boiler tubes diameter larger
Quality carbon structural steel hot-rolled low-pressure boiler tube is used to create various structural low and medium pressure boiler superheated steam pipes, rolling water pipes and superheated steam locomotive boiler tubes, opium pipe, small pipe and brick arch tubes and cold Stubbs (rolled) ...Read more