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How to deal with the defects of cold drawn steel tube when colding
1, Cold drawn steel pipe can lead to material lattice dislocations and other microscopic defects and surface roughness is increased, and precipitation-induced martensite and carbides. Such as cold austenitic steels exhibit increased magnetic phenomena. 2, Resulting in the material lattice disloca...Read more -
Flexible composite high pressure pipeline
Flexible composite high-pressure pipelines is a polymer composite material made of a certain high-intensity, high pressure, corrosion, fouling resistance, friction coefficient and good insulation, good flexibility and long life of an oil and gasindustrial pipe fittings. Flexible Composite press...Read more -
API 5L/ASTM A53 GR.B, CARBON STEEL, SSAW STEEL PIPE
API 5L/ASTM A53 GR.B, CARBON STEEL, SSAW STEEL PIPE TIANJIN USD/TON Outside Diameter 外径 (mm) 219 273 324 356 406 457 508 610 711 762 813 914 Wall Thickness 6 587 587 587 587 587 587 587 587 587 587 587 587 壁厚 (mm) 7 587 587 587 587 587 587 587 587 587 587 587 587 8 587 587 ...Read more -
API 5L/ASTM A106 GR.B, Seamless Carbon Steel Pipe
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API 5L GR.B/ASTM A53 GR.B, CARBON STEEL, LSAW STEEL PIPE
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 8 743 737 743 730 730 730 730 730 Thickness 9.53 737 723 730 710 710 710 710 710 壁厚 (mm) 10 703 689 696 710 710 710 710 710 12...Read more -
API 5L/ASTM A53 GR.B (Small Diameter ERW Steel Pipe)
API 5L/ASTM A53 GR.B (Small Diameter ERW Steel Pipe) Outside Diameter Wall Thickness EXW Outside Diameter Wall Thickness EXW 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″) 2.1-2.4 621.90 Φ133 3.0-5.75 598.96 2.5-3.25 603.01 6.0-7.75 608.41 3...Read more -
API 5L/ASTM A53 GR.B (Hot Rolled ERW Steel Pipe)
API 5L/ASTM A53 GR.B (Hot Rolled 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 219、245 5.0-11.75 616.27 426 5.75-11.75 633.80 273 5.0-11.75 616.27 12.5-13...Read more -
API 5L GR.B/ASTM A53 GR.B (HOT EXPANDED ERW STEEL PIPE)
API 5L GR.B/ASTM A53 GR.B (HOT EXPANDED 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 245, 273 5.0-9.28 625.42 450, 457, 508, 530 6.5-11.98 659.15 9.4...Read more -
Electro galvanished passivated
Chemical properties of zinc is lively, easily oxidized in the atmosphere darkens, and finally generate “white rust” corrosion galvanized after chromate treatment, covered with a layer of chemical conversion coating film on zinc, so that the reactive metal is in the passive state,This ...Read more -
Difference Between Carbon Steel Pipe and Mild Steel Pipe
Technically, carbon steel pipe and mild steel pipe aren’t different types of metal at all. Mild steel is carbon steel. (Technically, all steel is “carbon steel,” since carbon is the difference between iron and steel. Carbon steel is alloyed with up to 2% carbon. What we r...Read more -
Welding technology and production method of large-diameter straight seam steel pipe
1. Control of the weld gap The strip steel is sent to the welded steel pipe unit, after rolling by multiple rollers, the strip steel is gradually rolled up to form a round tube blank with an open gap, and the reduction of the squeeze roller is adjusted to control the weld gap to 1~3mm, And make t...Read more -
Length description of large diameter steel pipe
1. Normal length (also called non-fixed-length length): Any length that is within the length specified by the standard and no fixed length is required is called normal length. For example, the structural pipe standard stipulates hot-rolled (extruded, expanded) steel pipe 3000mm~12000mm; cold draw...Read more