Permanent Steel Manufacturing Co.,Ltd

1. Prevent drilling damage to the oil casing In order to prevent drilling damage to the casing, two points should be paid attention to: (1) Petroleum casing with corresponding anti-corrosion performance should be selected according to the specific...

The production process of Casing pipe in plant is generally: Steel ingot heating → hydraulic punching → reheating → extension → periodic rolling → reheating → sizing → cooling → straightening → pipe cutting → inspection 1.

The gloss of the thick-walled seamless steel pipe after annealing determines the quality of the product. There are also many influencing factors. Here are five key factors: 1.

Casing Pipe: Petroleum casing pipes are steel pipes used to support the walls of oil and gas wells to ensure the normal operation of the entire oil well after drilling and completion.

According to different production processes, seamless steel tubes can be divided into four categories: hot-rolled seamless steel tubes, hot-expanded seamless steel tubes, cold-drawn seamless steel tubes, and cold-rolled seamless steel tubes.

Carbon Steel ERW Manufacturer, CS Pipes, Carbon Steel ERW Pipe Supplier, Exporter

A. Different in nature 1. High-frequency welded pipe: After the hot-rolled coil is formed by the forming machine, the skin effect and proximity effect of the high-frequency current are used to heat and melt the edge of the pipe blank, and pressure...

Permanent Steel Manufacturing Co.,Ltd have years of experience in manufacturing of carbon steel pipe, casing pipe, stainless steel tube, hollow section, pipe fittings.(Fluid Pipe/Boiler Tube/Fire Pipe/Line Pipe/Structure Tube)

The pre-treatment process of seamless pipe galvanizing includes five processes: alkali washing, pickling, rinsing, soaking aid, and drying. The following galvanized seamless pipe manufacturers will give you a detailed introduction. 1.

High frequency welding mainly uses the skin effect and proximity effect of high frequency current to make the current highly concentrated on the side to be welded, so that it can be heated to the welding temperature (1130-1350°C) within one hundredth of..