Submerged arc welding technology is the welding process of SSAW steel pipe and LSAW steel pipe. During the welding process, in addition to insufficient penetration, burn-through and poor formation caused by improper welding process parameters, there will also be pores, slag inclusions, cracks, etc. Defects. This article mainly introduces the main reasons and preventive measures for porosity in submerged…
Read MoreProject Location: Peru Product：SMLS STEEL PIPE with NPT COUPLING Specification：69.3*3.91*5.8M Standard and Material：API 5L PSL1 GR B Usage: Oil Project Inquiry Time：02.2022 Order Time：06.2022 Shipping Time：07.2022 In February 2022, Xinyue Sales Department received an active inquiry from the customer, to provide Peru Oil Company with seamless steel pipes with NPT thread and couplings . Because the terminal is an…
Read MoreProject Location：Philippines Product：SSAW Steel Pipe Standard and material：ASTM A252 GR3/Q3555B Specifications：2024*12 AND 1824*12 Usage：PILING PROJECT USAGE Inquiry time： April of 2022 Order time：June of 2022 Shipping time：Aug of 2022 Estimated arrival time：SEP of 2022 This is not the first time that xinyue has helped with the Philippine project. In recent 5 years, we have participated in the Cebu Airport…
Read MoreDuring the rolling process of seamless steel pipes, due to the influence of the stability of the machine and peripheral equipment and the uncertainty factors in the production process, the product dimensions often exceed the tolerance range specified in the product standard. The situations are as follows: 1. Uneven wall thickness 1)Features: The wall thickness of the steel pipe…
Read MoreProject location：Middle East Product：SMLS STEEL PIPE Specification：OD 21.3-406MM, WT 2.7-9.53MM, L 6000-12000MM Standard and steel grade：ASTM A333 GR6, ASTM A312 TP316L Usage: Food factory construction Inquiry time：2022.04.28 Sign contract time：2022.05.15 Delivery time：2022.06.16 ETA：2022.07.20 The most important thing for us and our customers is the delivery date. The customer informed the urgency of the order when sending an inquiry. Only…
Read MoreProject location：Kenya Product：Seamless steel pipe & pipe fittings Standard and material：API 5L GrB PSL1 Specifications：21.3-219mm*12000mm Application：Pipeline construction Inquiry time：2022.01.09 Order time：2022.02.13 Departure time：2022.07.05 Estimated arrival time：2022.09.15 The client is an African project group company. We met in 2020. During that time, xinyue has participated in 4-5 project bids from their company. After frequent communication with customers and video conferences,…
Read More1. Grinding of thick-walled seamless nozzle: After cutting, use an angle grinder to grind the plastic layer of the nozzle. Its purpose is to prevent the plastic layer from melting or even burning during the flange welding process, damaging the pipe, and grinding the nozzle plastic layer with an angle grinder. 2. Thick-walled seamless pipe plastic coating treatment:After polishing,…
Read MoreA flange is a disc-shaped part that is most common in plumbing engineering.It is the part that connects the pipes to the pipes. Connect to the pipe end. There are holes on the flanges for bolts to connect the two flanges tightly. The flanges are sealed with gaskets. The main factors affecting flange sealing are: bolt preload, sealing surface…
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.
