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Anti-corrosion Countermeasures for Oil Casing
1. First of all, do a good job of water quality standards, and strictly monitor and manage water quality. Implement cleaning and separate injection, strengthen the cleaning of the main water pipeline, ensure that the water quality in the station and the bottom of the well meet...Read more -
How to improve the stability of spiral seam submerged arc welded steel pipe in the warehouse
With spiral seam submerged arc welded steel pipe in the warehouse, the spiral steel pipe quality become a problem for us. How improve the stability of spiral seam submerged arc welded steel pipe in the warehouse become more and more important. 1) Dimensions of steel wire, reba...Read more -
How to solve the deformation problem of spiral seam submerged arc welded steel pipe
The spiral seam submerged arc welded steel pipe rotates and starts to enter the soft formation. Under the action of the tri-cone, the drill bit first produces elastic shear deformation of the formation, and then it is removed under the pressure of the tri-cone. In the simulate...Read more -
The high-frequency welding process of submerged arc steel pipe
Introduction of the high-frequency welding process of submerged arc steel pipe: 1. Control of weld gap: After rolling by multiple rollers, the strip is sent to the welded pipe unit. The strip steel is gradually rolled up to form a circular tube blank with an opening gap, and t...Read more -
Practical advantages and diameter expansion technology of straight seam steel pipe
In a sense, straight seam steel pipe is a welding process of steel pipe opposite to spiral steel pipe. The welding of straight seam steel pipes is relatively common in the market due to the relatively simple process and low welding cost, which can achieve high efficiency durin...Read more -
What is the difference between 2205 duplex stainless steel pipe and 304 stainless steel pipe
1. Compared with 304 stainless steel pipe, the advantages of duplex stainless steel pipe are as follows: (1) The yield strength is more than double that of ordinary austenitic stainless steel, and it has sufficient plastic toughness required for forming. The wall thickness of ...Read more -
What is the difference between spiral steel pipe and steel coil pipe
Both spiral steel pipes and steel coiled pipes belong to welded steel pipes, and the production processes of the two are very different. Spiral steel pipe is a spiral seam steel pipe made of strip steel coil as raw material, often warmly extruded, and welded by the automatic d...Read more -
Repair requirements for the shortcomings of spiral steel pipe welds
1. The minimum length of the repair weld is 50mm. If the defect direction on the base metal of the spiral steel pipe is allowed, the repair welding seam should be along the circumferential direction. 2. The repair welding seam should be ground to make the transition to the ori...Read more -
The reasons for the leakage of hot-dip galvanizing of seamless steel pipes
The reasons for the leakage of hot-dip galvanizing of seamless steel pipes causes and solutions: 1. The surface of the plated parts is not clean (1) The surface of the plated parts contains paint, grease, and soldering iron; it can be polished or scrubbed with relevant solvent...Read more