During 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 MoreSubmerged arc welding is an important welding method. Its inherent advantages of stable welding quality, high welding productivity, no arc and little smoke make it an important steel structure in the production of pressure vessels, pipe sections, box beams and columns. the main welding method.In recent years, although many new welding methods with high efficiency and high quality have…
Read MoreProject Location：Nigeria Products：Bend Size： 10″ Standard：API PSL2 ANNEX J X65 Coating requirement:3LPP Application：Offshore Pipeline Inquiry Time: Dec, 2021 Purchase Time：May, 2022 This order is a regular client in Nigeria for the bend. Xinyue has rich experience in supplying bend. In the early stage, we provided the client with a number of bend production videos and shipment project records, which…
Read MoreInward folding is a common quality problem in the production of seamless steel pipes. It is the irregularly distributed sheet-like folds and spiral-like folds on the inner surface of the steel pipe, and the edges of the defects are mostly serrated. There are two main reasons for the internal folding defects: the quality of the continuous casting tube blank…
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.
