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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 -
Square & rectangle pipe price list Nov.2019
Square & rectangle pipe Specification Thickness Price Specification Thickness Price 1.2 607.14 1.5 578.57 1.3 604.29 100*100 1.7 575.71 1.4 600.00 1.8 571.43 20*20 1.5 592.86 80*120 2.0 564.29 1.7 585.71 125*75 2.2 557.14 2.0 580.00 2.5~5.0 551.43 1.2 601.4...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 -
DSAW Steel pipe price list Nov.2019
DSAW Steel pipe price list Stangdard:GB/T3091，Material:Q235B； WT OD 406.00 457 508 609.6 711.1 762 812.8 863.6 914.4 1016 1066.7 1117.6 1219.2 1320.8 1422.4 8 721 714 721 707 707 707 707 707 707 707 714 714 9.53 714 700 707 686 686 686 686 686 707 707 707 707 707 757 74...Read more