Specifications: diameter: 320 to 127 mm thickness: 0.4 to 12.7 mm Length: 6 m above, and, in accordance with customer demand, supply and other specifications of steel pipe

Welded steel pipe components accounting formula


Welded steel components accounting formula

 

(C) steel pipe accounting formula

      × L × steel proportion of welded steel components accounting: kg / m = (OD - Wall Thickness) * 0.02466 steel pipe wall thickness * accounting methods: the weight of the steel pipe = 0.25 × of π × (external diameter square - inside diameter squared): π = 3.14 L = Pipe length steel proportion take 7.8 Therefore, the steel tube weight = 0.25 × 3.14 × (external diameter squared - diameter squared) x L x 7.8 * If the size of unit to take m (M), the accounting component consequences kg (Kg)

Welded steel pipe

Welded steel classification and useful

A low pressure fluid walks welded steel pipe (GB/T3092-1993), also known as ordinary pipe, commonly known as the clarinet. Welded steel pipe is used for the ordinary walks of water, gas, air, oil and steam heating the lower pressure fluid, and other useful. Steel pipe connected to the wall thickness is Pided into the popular steel and thicker steel pipe; the receiving end is Pided into without the steel pipe (fluorescent tubes) and with a steel pipe. The specifications of the tubes nominal diameter (mm) revealed that the performance of the nominal diameter is the diameter of the approximation. Habits used in. disclose performance, such as 11/2 and so on. The low pressure fluid walks welded steel pipe for walks fluid, but also as a low pressure fluid walks galvanized welded steel pipe of the original tube.

(2) low pressure fluid walks galvanized welded steel pipe (GB/T3091-1993), also known as galvanized welded steel pipe, commonly known as the white tube. Is used in the ordinary walks of water, gas, air, oil and steam heating, warm water and other lower pressure fluid or other useful hot-dip galvanized welding (furnace welding or welded) steel tubes. Steel pipe connected to the wall thickness is Pided into popular galvanized steel and thicker galvanized steel; receiving end into the threaded galvanized steel pipe and threaded galvanized steel pipe. The specifications of the tubes nominal diameter (mm) revealed that the performance of the nominal diameter is the diameter of the approximation. Habits used in. disclose performance, such as 11/2 and so on.

3 common carbon steel wire casing (GB3640-88) is the industrial and civil construction of the device mechanical equipment and other electrical installation work top for the maintenance of the wire and the steel pipe.

3 common carbon steel wire casing (GB3640-88) is the industrial and civil construction of the device mechanical equipment and other electrical installation work top for the maintenance of the wire and the steel pipe.

4 straight seam welded steel pipe (YB242-63) is parallel to the longitudinal weld and steel pipe steel pipe. The mortal world is Pided into Metric Welded Steel Pipe

Welding thin-walled tube, transformer cooling tubing.

Pressure fluid walks hot-rolled steel strip coils for tube with spiral seam submerged arc welded pipe (SY5036-83) is often warm spiral shape, double submerged arc welding for pressure fluid walks spiral seam steel pipe. Steel pipe pressure to the welding function through a variety of stringent scientific inspection and testing, the use of safe prison *. The large diameter steel pipe and walks and high efficiency, and save the investment of the laying of pipelines. Primary used for walks in petroleum, natural gas pipelines.

6. Pressure fluid walks with spiral high-frequency welded steel pipe (SY5038-83) is hot-rolled steel strip coils for tube, often warm spiral shape, welded by high frequency lap welding method for pressurized fluid walks spiral seam of high-frequency welded steel pipe. Steel pipe pressure to plastic for easy welding and molding process; through various types of severe and scientific inspection and testing, the use of safe prison *, large diameter steel pipe, high efficiency, walks, and can throttle the laying of the pipeline investment. Primary for the laying of walks of oil, natural gas and other pipeline.

Caliber, high efficiency, walks, and can throttle the laying of pipeline investments. Primary for the laying of walks of oil, natural gas and other pipeline.

Ordinary low pressure fluid walks with spiral submerged arc welded pipe (SY5037-83) for billet is hot rolled steel strip coils, often warm spiral shape, with double-sided initiative submerged arc welding or single-sided welding into the legal system for ordinary low-pressure fluid such as water, gas, air and steam walks using the submerged arc welded pipe.

Eight general low pressure fluid walks with spiral high-frequency welded steel pipe (SY5039-83) is hot-rolled steel strip coils for tube, often warm spiral shape, using high-frequency overlap welding Welding method for ordinary low-pressure fluid walks with spiral seam high frequency welded steel pipe.

9. Pile for the tube, spiral welded steel pipe (SY5040-83) is hot-rolled steel strip coils, often warm spiral shape, made of double-sided submerged arc welding or high frequency welding for the civil construction of structures, quays, bridges such as foundation piles with steel pipe.

Second, the welding of steel stock specifications table:

32 * 332 * 3.5 32 * 432 * 4.5 32 * 534 * 334 * 434 * 4.5 34 * 534 * 6.5

38 * 338 * 3.5 38 * 438 * 4.5 38 * 5 60 * 560 * 660 * 7 60 * 860 * 960 * 10

76 * 4.5 76 * 576 * 676 * 776 * 8 76 * 976 * 1089 * 489 * 4.5

114 * 11114 * 12114 * 13114 * 14114 * 16114 * 18

133 * 5133 * 6133 * 7133 * 8 133 * 10133 * 12133 * 13133 * 14133 * 16

194 * 10194 * 12194 * 14194 * 16194 * 18194 * 20194 * 26

219 * 6.5,7,8,9,10,12,13,14,16,18,20,22

219 * 24219 * 25219 * 26219 * 28219 * 30219 * 32219 * 35219 * 38

273 * 7,8,9,9.5,10,11,12,13,15,16,18,20,22,25,28,30,32,35,36,40,42,45

298.5 * 36

325 * 8,9,10,11,12,13,14,15,16,17,18, 20,22,23,25,28,30,32,36,40,45

356 * 9.5,12, 15, 19, 28, 36

377 * 9,10,12,14,15,16,18,20,22,25,32,36,40,45,50

406 * 9.5,11,13,17,22,32,36,40,55,50,60 406.4 * 55

426 * 12,, 13,14,17,20,22,30,36,40,50 457 * 9.5,14,16,19,24,65

508 * 13,16,20,22 558.8 * 14 530 * 13, 20 570 * 12.5 610 * 13,18,78 624 * 14.2 824 * 16.5

Welding steel pipe material

  

Product material 20G, 10 #, 20 #, 35 #, 45 #, 20G, 16Mn, 27SiMn, 40Cr, 15CrMo, 35CrMo, Roller 12CrMov, 10CrMo910 and so on. Market demand be updated from time to time outstanding of corporate quality, intact and rigorous system of governance and the quality of the product, we have been enduring pursuit.

      Rui has advanced double-sided spiral submerged arc welded pipe machine, WELDACG2600KW solid state high frequency welding machine, JCOE, LSAW pick up equipment. Steel pipe-diameter φ159-φ2820, wall thickness 3.25mm-80mm. Material 10 # steel, 20 # steel, Q235, Q345, 16Mn, L245, L290, of L360, X42-X70 grade steel, the product of the implementation of api SPEC 5L, 5CT, GB/T9711.2, SY/T5037, GB/T8163, GB, / T8162 norms. Commonly used in natural gas, petroleum, chemicals, electricity, heating, drainage, steam heating, hydropower penstock, thermal power, water and other long interval walks pipeline and piling, bridges, steel structure engineering areas.

     Welded steel pipe, also known as pipe, steel pipe is made of welded steel sheet or strip through the curl forming. Welded steel producing process briefly produced in high efficiency, types of specifications, and less investment in equipment, but the ordinary strength is less than seamless steel pipe. 30 years since the 20th century, followed by the production of high-quality steel strip rolling agility to carry out welding and inspection of the enhancement of skills, from time to time progress of weld quality, increasing number of types of welded steel specifications, and more and more areas instead of pipe joints. Welded steel pipe weld way into a straight seam welded pipe and spiral welded pipe. Longitudinal produced in the process briefly, produced in high efficiency, low capital, to carry out faster. Common than the strength of the spiral welded pipe Longitudinal high, can narrow the billet produced large diameter pipe, the pipe diameter differences can also be produced with the same width of the blank. What, then, be compared with the same length of straight seam pipe, weld length add 30 to 100%, and produced the lower rate. Thus, smaller diameter pipe mostly straight seam welded pipe of large diameter are mostly spiral welded.

 

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