SHINESTAR STEEL GROUP CO., LTD
盛仕达钢铁股份有限公司
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How to check the quality of hot rolled seamless pipe
by admin on 22-11-18
How to test the quality of hot rolled seamless steel pipe? 1. High quality inspection of permeable layer and core. Check whether the strength of the surface and the core meets the technical standards, whether the gradient direction of the intensity conversion from the surface to the interi...
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Which is better seamless pipe or welded pipe?
by admin on 22-11-17
Seamless pipe has better pressure capacity, strength is higher than ERW welded pipe. So it is widely applied in high pressure equipment, and thermal, boiler industries. Generally the welding seam of the welded steel pipe is the weak point, the quality affect overall performance. Seamless pipe vs ...
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Derusting method of seamless steel pipe
by admin on 22-11-16
Steel refers to a metal material with iron as the main element, carbon content generally below 2.0% and other elements. The difference between it and iron is the carbon content. It should be said that it is tougher and more durable than iron. Although it is not easy to rust, it is difficult to gu...
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Seamless steel tube billet
by admin on 22-11-15
The billet used in the production of steel pipes is called tube billet. Usually high-quality (or alloy) solid round steel is used as the tube billet. According to different production methods, seamless tubes have billets made of steel ingots, continuous casting billets, forging billets, rolled bi...
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Terms on steel pipe dimensions
by admin on 22-11-14
①Nominal size and actual size A. Nominal size: It is the nominal size specified in the standard, the ideal size expected by users and manufacturers, and the order size indicated in the contract. B. Actual size: It is the actual size obtained in the production process, which is often larger or sma...
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Schedule 40 carbon steel pipe
by admin on 22-11-11
Schedule 40 Carbon Steel Pipe is one of the medium schedule pipes. There are different schedules in all pipes. The schedule indicates the dimensions and the pressure capacities of the pipes. Shinestar Steel Group Co.,Ltd is a leading supplier and manufacturer of the Sch 40 Carbon Pipe products. T...
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Differences between annealing and normalizing of seamless steel pipes
by admin on 22-11-10
The main difference between annealing and normalizing: 1. The cooling rate of normalizing is slightly faster than that of annealing, and the degree of supercooling is larger 2. The structure obtained after normalizing is relatively fine, and the strength and hardness are higher than that of annea...
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Carbon steel tube material and use
by admin on 22-11-09
Carbon steel tubes are made of steel castings or solid round steel through holes to make capillaries, and then made by hot rolling, cold rolling or cold drawing. Carbon steel tubes have an important position in China’s seamless steel tube industry. The key materials are mainly q235, 20#, 35...
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Seamless steel tube straightening process
by admin on 22-11-08
1. The seamless steel tube enters the roller table at the entrance of the leveler from the upstream roller table. 2. When the head of the seamless steel tube is sensed by the sensor element in the middle of the entrance roller table, the roller table will decelerate. 3. When the head of the seaml...
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Material analysis of 3PE anti-corrosion steel pipe
by admin on 22-11-07
3PE anti-corrosion steel pipe base material includes seamless steel pipe, spiral steel pipe and straight seam steel pipe. The three-layer polyethylene (3PE) anti-corrosion coating has been widely used in the oil pipeline industry due to its good corrosion resistance, water vapor permeability resi...
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Advantages of hot-dip galvanized seamless steel tube
by admin on 22-11-04
Hot-dip galvanized seamless tube is to make the molten metal react with the iron matrix to produce an alloy layer, so that the matrix and the coating are combined. Hot-dip galvanizing is to pickle the steel pipe first. In order to remove the iron oxide on the surface of the steel pipe, after pick...
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Thermal expansion carbon steel pipe
by admin on 22-11-03
What is heat-expanded steel pipe? Thermal expansion is a processing method of steel pipes, which is to process small-diameter steel pipes into large-diameter steel pipes. The mechanical properties of thermally expanded carbon steel pipe are slightly worse than that of hot rolled carbon steel pipe...
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