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How to solve the deformation problem of spiral seam submerged arc welded steel pipe
(1) The sudden change of pseudo-strain energy mainly occurs when the drill bit enters the soft soil layer and the cone bit crosses the interface of the sudden change formation. The higher the forming hardness, the greater the pseudo strain energy of the spiral seam submerged arc welded steel pipe...Read more -
Anti-corrosion practices of buried steel pipes
Pipeline rust removal→primer coating→full topcoat→second topcoat→winding glass cloth→topcoat→topcoat; Inner wall construction process: pipeline derusting → primer coating → all-over top-coat → second-pass top-coat → third-pass top-coat 1. Pipeline rust removal Before applying the primer, the surf...Read more -
SSAW Steel Pipe Price June 16th 2021
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 6 986 986 986 986 986 986 986 986 986 986 986 986 壁厚 (mm) 7 986 986 986 986 986 986 986 986 986 986 986 986 8 986 ...Read more -
Seamless Steel Pipe Price June 16th 2021
API 5L/ASTM A106 GR.B, Seamless Carbon Steel Pipe 公称通径 DN 外径OD(mm) SCH40(6m/5.8m) SCH80(6m/5.8m) SCH160(6m/5.8m) 壁厚WT FOB 壁厚WT FOB 壁厚WT FOB (mm) USD/TON (mm) USD/TON (mm) USD/TON 1/4” 13.7 2.24 1,584.80 3.02 1,584.80 / / 3/8” 17.1 2.31 1,427.32 3.2 1,427.3...Read more -
LSAW Steel Pipe Price June 16th 2021
API 5L/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 1,082 1,075 1,082 1,067 1,067 1,067 1,067 1,067 Thickness 9.53 1,075 1,059 1,067 1,043 1,043 1,043 1,043 1,043 壁厚 (mm) 10 1,035 1,01...Read more -
Small Diameter ERW Steel Pipe Price June 16th 2021
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″) 2.1-2.4 972.20 Φ133 3.0-5.75 945.43 2.5-3.25 950.16 6....Read more -
Hot Rolled ERW Steel Pipe Price June 16th 2021
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 5.0-11.75 962.76 426 5.75-11.75 986.38 273 5.0-11.75 962.76 12.5-1...Read more -
Hot Expanded ERW Steel Pipe Price June 16th 2021
API 5L/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 5.0-9.28 954.88 450, 457, 508, 530 6.5-11.98 1022.60 9.45-9....Read more -
Application of stainless steel pipes in fire piping system
The fire-fighting pipeline includes two systems, a fire hydrant system and a water sprinkler system. Stainless steel fire-fighting piping system is a kind of fixed fire-fighting facility widely used in China. Nowadays, 304 stainless steel pipes are used for fire-fighting water supply pipelines in...Read more -
Advantages and disadvantages of ductile iron pipe application
Advantage: Compared with PE pipe, In terms of installation time, ductile pipes are easier and faster to install than PE pipes, and the internal and external bearing pressure is better after installation; From the perspective of airtightness and corrosion resistance, the airtightness of the ductil...Read more -
Types and uses of stainless steel pipes
One. Stainless steel decorative pipe 1. Material: 201 and 304 are main, 301 and 316 are small 2. Purpose: Mainly for decoration projects such as stairs, doors, windows, and guardrails, and some products with lower requirements are piping 3. Features: bright surface, brushed or frosted, the negati...Read more -
Stainless steel pipe welding process method A
High-frequency induction welding In high-frequency contact welding and high-frequency induction welding, the equipment that provides current and the equipment that provides squeezing force are independent of each other. In addition, both methods can use a magnetic rod, which is a soft magnetic el...Read more