The scarring defect in the anti-corrosion steel pipe is the pit on the inner surface of the steel pipe, which is similar to the size of a soybean grain. Most of the scarring has gray-brown or gray-black foreign bodies. The influencing factors of internal scarring are: deoxidizer, injection process, smooth mandrel and other factors. Let’s take a look at…
Read MoreConnection method of large diameter spiral steel pipe (SSAW): The common connection method of large-diameter spiral steel pipe is welding, but in some projects, threaded connection, flange connection, socket connection, groove connection and other forms are often used. 1. Welding, flange connection Welding and flange connection are traditional spiral steel pipe connection methods, which are far from meeting the…
Read MoreWe use stainless steel seamless pipes many times now, and many customers face a lot of problems when selecting materials, looking at the uneven prices on the market and related problems, there is no final solution. Here are some tips to share with you, so as to improve the cost-effectiveness of products when selecting finished products in the later…
Read MoreProduction methods Stainless steel tube according to the production method is divided into two categories of stainless seamless pipe and stainless welded pipe, stainless seamless steel pipe can be divided into hot-rolled tube, cold-rolled tube, cold-drawn tube and extrusion pipe, cold drawing, cold rolling is the second Processing; welded pipe is divided into straight seam welded pipe and spiral welded pipe. Section shape…
Read MoreSeamless stainless steel pipe is actually a hollow cross section and both sides of the expansion of the resistance to air, steam, water and other weak corrosive media and acid, alkali, salt and other chemical corrosion medium corrosion of steel pipe. Also known as acid-resistant stainless steel. Stainless steel pipe suppliers are reputable to protect the environment from hygienic, cheap,…
Read MoreProject location：Asia Product：Hot rolled seamless steel pipe Standard and material：ASTM A106 GRB/APL 5LB/STKM 13A Specifications： 180MM*25MM 194MM*30MM 232MM*20MM Application：For precision machining Inquiry time：2022.03.11 Order time：2022.03.17 Shipping time：2022.04.08 Arrival time：2022.04.11 This order comes from South Asia. Only one month after the completion of the last order, the customer contacted Xinyue again, indicating that the last batch of goods was highly…
Read MoreStraight seam welded steel pipe includes double-sided submerged arc welded longitudinal welded steel pipe (LSAW pipe) and high frequency electric resistance welded pipes (ERW pipe). The length of straight seam welded steel pipe is mainly divided into fixed length and indefinite length. This is mainly according to customer requirements. The length is generally 6-14 meters. Large diameter straight seam…
Read MoreThe hardness test is to slowly press a hard indenter into the surface of the sample under specified conditions, and then test the depth or size of the indentation to determine the hardness of the material. Hardness test is a simple, rapid and easy-to-implement method in material mechanical property test. The hardness test is non-destructive, and there is an…
Read MoreXINYUE STEEL GROUP set up several production bases in Tianjin & Hebei Province, manufacturing ERW Steel Pipe, SSAW Steel Pipe, LSAW Steel Pipe, Seamless Steel Pipe, Scaffolding system and couplers, RHS, SHS, etc.
