1. Wrong side.This is a common problem in pre-welding, and the wrong side is out of tolerance, which directly leads to the degradation or scrapping of the steel pipe. Therefore, it is required to strictly control the misalignment amount during pre-welding. When the whole or more than half of the ste

1. Broken pipe: draw a line on the selected pipe according to the on-site surveying and mapping sketch, and cut the pipe according to the line.a. To cut the pipe with a grinding wheel saw, put the pipe on the caliper of the grinding wheel saw, align it with the drawn line and clamp it firmly, and th

Precautions for storing straight seam steel pipes:Most merchants did not use them soon after purchasing straight seam steel pipes. So do we need to pay attention to the storage of straight seam steel pipes? The staff of straight seam steel pipe manufacturers is reminded that how to store straight se

Product: ERW Steel PipeApplication: chemical construction projectStandard: ASTM A53Product arrived Location: EgyptThreeway Steel has rich experience with large-diameter straight seam steel pipes, here is our recent delivery of straight seam steel pipe to Egypt for a chemical industry construction pr

Large-diameter steel pipes are widely used in mechanical parts, fluid transportation, construction sites, etc. Large-diameter steel pipes have undergone strict inspections during manufacturing, which has also improved their durability. Large-diameter steel pipes have high dimensional accuracy and sm

1. The use of large-diameter stainless steel pipe can be divided into oil well pipes (casing pipes, oil pipes and drill pipes, etc.), pipeline pipes, boiler pipes, mechanical structure pipes, hydraulic prop pipes, gas cylinder pipes, geological pipes, chemical pipes (high-pressure chemical fertilize

Steel pipe anti-corrosion methods generally use coating anti-corrosion. Coating anti-corrosion is to apply coating uniformly and densely on the surface of the rusted metal pipe to isolate it from various corrosive media.1. Anti-corrosion coating on the outer wall of steel pipeThe anti-corrosion of t

Adjustment of the position of the high frequency induction coil of the straight seam steel pipe:The excitation frequency of straight seam steel pipe is inversely proportional to the square root of capacitance and inductance in the excitation circuit or proportional to the square root of voltage and

In addition to being used in the field of water supply and drainage, plastic-coated steel pipes can also be well used in the field of automatic sprinkler fire extinguishing systems, groundwater sewage dredging pipes, central air-conditioning cooling circulating water pipes, cable threading protectio

Casing accessories: Single valve Float shoe, float collar, top cementing plug, bottom cementing plug;Application: DrillingProduct arrived location: IraqThe clients have been cooperating with Threeway for more than 6 years.Both sides have had deep trust and tacit understanding mutually, based on many