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china galvanized steel pipe,elbow pipe,flange suppliers-GKSTEELPIPE
customerized steel pipe company-GKSTEELPIPE
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We are one of the world’s fastest growing and credible steel provider with years of specialization in:

Galvanized Steel Pipe, Seamless Steel Pipe, Welded Steel Pipe, Square Steel Pipe, Spiral Steel Pipe, Elbow Pipe and Flange

Already delivering steel pipes for thousands of clients and hundreds of industries, to offer the fine quality product at competitive price is our goal and responsibility...


Serving the steel pipe industry for 20 years

GK Steel Pipe

GK Elbow Pipe

GK Flange

What is the strength and strength ratio of steel pipes?
The strength of the steel pipe refers to the maximum ability to resist damage caused by external force or load. Whether it is a straight seam steel pipe or other steel pipes, the strength or strength value is the nature of the material itself. The strength ratio is a main indicator to measure the li
What preparations need to be done before installing steel pipes?
Before installing the steel pipe, the trench needs to be dug, and the soil dug after the trench has a reasonable stacking place, the excavated earth should be transported to the outside in time, and should not be too close to the trench, there must be two The distance above the meter, so as not to a
What is the heat treatment process of large-diameter steel pipes?
Steel pipes can be used to transport fluids and powdered solids, exchange thermal energy, and make mechanical parts and containers, it is also an economical steel. For example, the use of steel pipes to make grids, pillars and mechanical supports for building structures can reduce the weight and
How to judge the quality of steel pipes?
The quality of the steel pipe is not only related to its service life, but also related to its use efficiency. Then when we are buying steel pipes, we can roughly distinguish the quality of the steel pipes by the appearance of the steel pipes. If the surface of the steel pipes has numbness and is no
What are the advantages of straight seam submerged arc welded steel pipe?
Analysis of the reasons why double-sided submerged arc straight seam steel pipes are widely used:(1) Since it is a straight weld, the weld is short, so the chance of defects is small.(2) The welding seam is a straight line, which has little effect on the coating of anticorrosive materials.(3) There
What are the acceptance criteria for steel pipes?
The inspection and acceptance of straight seam steel pipes shall be carried out by the technical supervision department of the supplier. The supplier needs to ensure that the straight seam steel pipe meets the requirements of the corresponding product standards at the time of delivery. The purch
What is the cold expansion technology of straight seam steel pipes?
Straight seam steel pipe expansion is a pressure processing technology that uses hydraulic or mechanical means to apply force from the inner wall of the steel pipe to expand and expand the steel pipe radially outward. The mechanical method is simpler and has a higher speed than the hydraulic met
Seamless steel tube product details
10# seamless steel pipe mechanical properties:Tensile strength σb (MPa): ≥410 (42) Yield strength σs (MPa): ≥245 (25) elongation δ5 (%): ≥25 shrinkage rate ψ (%): ≥5, hardness: unheated ,≤156HB, sample size: sample size 25mm  10# Seamless steel pipe instructions   Used in various fields such as auto
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