News

API 5L/ASTM A106 GR.B, LSAW Carbon Steel Pipe
by admin on 20-07-21

Read more
API 5L/ASTM A106 GR.B, ERW Carbon Steel Pipe
by admin on 20-07-21

Read more
API 5L/ASTM A106 GR.B, Seamless Carbon Steel Pipe
by admin on 20-07-21

Read more
Processing method of stainless steel pipe fittings
by admin on 20-07-21
Stainless steel pipe fittings are a new type of pipe fittings that are widely used. Generally speaking, the processing methods are as follows : 1. Forging method: the end or part of the pipe is punched out with a swaging machine to reduce the outer diameter. Common swaging machines include rotary...
Read more
Stainless steel does not rust
by admin on 20-07-20
Stainless steel is an extremely thin, strong, dense, and stable chromium-rich oxide film (protective film) formed on its surface to prevent the relay of oxygen atoms. Continue to penetrate, continue to oxidize, and obtain the ability to resist rust. Once for some reason, this kind of film has bee...
Read more
Connection method of carbon steel seamless pipe
by admin on 20-07-15
(1) The importance of heavy industrial structures, large-span structures, high-rise or super-high-rise civil building structures or other important structural structures, should consider the selection of high-quality seamless steel pipes, generally according to the working nature of industrial an...
Read more
What causes corrosion of stainless steel welded pipe?
by admin on 20-07-14
There are two main reasons for corrosion of stainless steel welded pipe 70% are processed. Due to the contamination of iron and copper tools during processing, the argon gas in the welding cannot be well protected and oxidation will occur. In addition, excessive damage to the surface of the anti...
Read more
The difference between precision steel pipe and spiral steel pipe
by admin on 20-07-13
Precision spiral steel pipe is a high-precision steel pipe that is cold drawn or hot rolled. Because the inner and outer walls of the precision spiral steel pipe have no oxide layer, there is no high pressure, no leakage, high precision, high smoothness, no cold deformation, flaring, flattening, ...
Read more
API 5L/ASTM A53 GR.B, CARBON STEEL, SSAW STEEL PIPE
by admin on 20-07-10
API 5L/ASTM A53 GR.B, CARBON STEEL, SSAW STEEL PIPE FOB TIANJIN USD/TON Outside Diameter 外径 (mm) 219 273 324 356 406 457 508 610 711 762 813 914 Wall Thickness 6 544 544 544 544 544 544 544 544 544 544 544 544 壁厚 (mm) 7 544 544 544 544 544 544 544 544 544 544 544 544 ...
Read more
API 5L/ASTM A106 GR.B, Seamless Carbon Steel Pipe
by admin on 20-07-10

Read more
API 5L GR.B/ASTM A53 GR.B, CARBON STEEL, LSAW STEEL PIPE
by admin on 20-07-10
API 5L GR.B/ASTM A53 GR.B, CARBON STEEL, LSAW STEEL PIPE FOB TIANJIN Outside Diameter 外径 (mm) USD/TON 406 457 508 609.6 711.1 762 812 863.6 Wall 8 670 664 670 657 657 657 657 657 Thickness 9.53 664 651 657 638 638 638 638 638 壁厚 (mm) 10 632 619 626 638 638 638 638 638 12...
Read more
API 5L/ASTM A53 GR.B (Small Diameter ERW Steel Pipe)
by admin on 20-07-10
API 5L/ASTM A53 GR.B (Small Diameter ERW Steel Pipe) Outside Diameter Wall Thickness FOB TIANJIN Outside Diameter Wall Thickness FOB TIANJIN 外径 (mm) 壁厚 (mm) 离港价 USD/TON 外径 (mm) 壁厚 (mm) 离港价 USD/TON 33.4 (1″) 2.1-2.4 522.12 Φ133 3.0-5.75 506.95 2.5-3.25 504.42 6.0-...
Read more