News
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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 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″) 2.1-2.4 566.58 Φ133 3.0-5.75 550.99 2.5-3.25 548.39 6.0-...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 5.0-11.75 555.79 426 5.75-11.75 581.78 273 5.0-11.75 555.79 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 5.0-9.28 589.83 450, 457, 508, 530 6.5-11.98 622.32 9.4...Read more -
Are there interfaces for flanges of different sizes to connect them together
Flanges are standard. According to different pressure levels and different specifications of flanges, there are sharp bolt numbers and bolt sizes, and bolt holes also have standard sizes. If the outer diameters are not much changed, the pitch and bore diameters of the bolt holes can be unified, a...Read more -
Advantages and history of CIPP repair pipeline
Advantages and history of CIPP repair pipeline The CIPP flipping technique (cured in place pipe) has the following advantages: (1) Short construction period: It only takes about 1 day from the processing of the lining material to the preparation, turnover, heating, and curing of the construction ...Read more -
Imported 200 million tons of coal from January to July, up 6.8% year-on-year
In July, the decline in raw coal production of industrial enterprises above designated size expanded, crude oil production remained flat, and the growth rate of natural gas and electricity production slowed. Raw coal, crude oil, and natural gas production and related conditions the decline in raw...Read more
