1. Regardless of whether the straight seam steel pipe is rotated or fixed The cutting nozzle should be kept perpendicular to the surface of the straight seam steel pipe. After the cutting is completed, the cutting nozzle is gradually tilted forward at an angle of 70°-80° with the tangent line of the

Oil rose to its highest in nearly a week amid a weaker dollar and signs of improving demand in China and India. Crude futures gained 2.1% in New York, while the Bloomberg Dollar Spot Index slipped as much as 0.3%, raising the appeal for commodities priced in the currency. Meanwhile, refinery activit

3. Welding connection➤ Weld grooveAccording to the requirements of the specification, the groove is generally V-shaped, the groove angle is 60-75°, and the pairing gap is 2-3mm.➤ Weld seam pairThe number of staggered edges on the inner wall should not exceed 10% of the wall thickness and ≯2mm; the n

1. Threaded connection➤ Thread processingDivide 2-3 cuts, the thread should be clear, complete, and smooth, without burrs and messy threads. If there is a broken wire or missing wire, it shall not exceed 10% of the total number of threads. The thread should also meet the requirements of the assembly

Local media reported that the Pueblo County Department of Health and Environment confirmed that there is an active COVID-19 outbreak at the EVRAZ/Rocky Mountain Steel Mill. EVRAZ reported the outbreak to health officials on September 18. According to EVRAZ North America, three employees who work in

The wall thickness can be called a thick-walled steel pipe. There are some doubts about this. It depends on the ratio of the outer diameter of the steel pipe to the wall thickness of the steel pipe. For example, a steel pipe with a diameter of 50 mm, 10 mm can be regarded as a thick-walled steel pip

Welding inspection content includes the materials, tools, equipment, process, and finished product quality inspection used in the entire production process from drawing design to product manufacturing. It is divided into three stages: pre-weld inspection, inspection during welding, and post-weld Ins

Stena Drilling reported Monday that it has signed a new contract with Repsol (OTCMKTS: REPYY) and others to provide a drillship for a 2021 offshore Mexico drilling campaign. The Stena IceMAX will operate in Block 29 in Mexico’s Salina Basin, the drilling contractor noted in a written statement. Sten

1. FFX molding (flexible molding).New technology improved based on FF molding technology by Japan's Nakata Machinery Manufacturing Research Institute. The deformation is focused on the edge of the rough forming section so that the edge bends to about 30% of the width of the steel strip, and at the s

1.Single radius forming method.The single-radius roll forming method has three types: circumferential bending forming method, edge bending forming method, and center bending forming method. The single radius forming method is: the hole pattern is composed of a single radius, the horizontal rollers a