Quality inspection method of seamless steel pipe: (1) Geometric specification detection of seamless steel pipes The diameter, thickness, bending degree, and length of the seamless steel pipe can be inspected on the inspection table with external calipers, vernier calipers, bending level rulers, and length meters. For external opening diameter, thickness and length, automatic specification inspection equipment (such as automatic…
Read MoreGenerally, manufacturers have the following requirements for their quality when producing seamless pipes. 1. Ingredients. It clearly stipulates the components of hazardous chemical molecules As, Sn, Sb, Bi, Pb and vapor N, H, O, etc., in order to improve the uniformity of the components in the steel and the purity of the steel, and reduce the non-metallic material parameters…
Read MoreSales name:April Project location:New Zealand Product:ERW Steel Pipe Standard and material:API 5L PSL1 GR.B Specifications:DN250*SCH20*18M Usage:Water Transmission Project Inquiry time:2021.06 Order time:2022.02.22 Shipping time:2022.04.15 Estimated arrival time:2022.05.15
Read MoreWhat are the factors that affect the quality of American Standard seamless tubes? 1. Temperature Temperature is the main factor affecting the quality of American Standard seamless steel tubes. First of all, the uniformity of the heating temperature of the tube blank directly affects the wall thickness uniformity and inner surface quality of the perforated capillary, which in turn…
Read MoreIn the process of purchasing seamless steel pipes, we often encounter several steel pipe length terms. If we cannot fully understand these terms, hidden dangers will often be buried in the signing of the contract, which will bring inconvenience or heavy losses to our later use. Therefore, we should fully understand these terms in the procurement process and confirm…
Read MoreSales name:Niki Project location: Vietnam Product:ERW STEEL PIPE Standard and material:JIS G3444 STK490 Specifications: 139.8*4.5*6000MM 267.4*9.3*6000MM Usage:Structural Pipe Inquiry time:2022.02.10 Order time:2022.02.25 Shipping time:2022.04.16 Estimated arrival time:2022.05.01
Read MoreThere are many reasons for longitudinal cracking of seamless pipes, both material and process reasons. Taking the thick-walled seamless steel pipe as an example, if the thick-walled seamless steel pipe has poor plasticity or poor annealing, the probability of longitudinal cracking will increase, but the fundamental reason is that the residual stress of the cold-drawn thick-walled seamless steel pipe…
Read MoreSales name:Tony Project location:New Zealand Product:ERW STEEL PIPE, Helix and Penny washers. Standard and material:AS1163 GR.350 Specifications: 219 x 12 x 10000mm Helixes – 700 x 226 x 25mm Penny washers – 190 x 0 x 25mm Usage:Screw Pile Accessory Parts Inquiry time:2022.02.16 Order time:2022.02.18 Shipping time:2022.03.27 Estimated arrival time:2022.05.03
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.