the dongfang 13-2 gas fields project, china's largest offshore high-temperature and high-pressure gas fields project, has been put into operation, its operator china national offshore oil corp said on wednesday.with an annual gas output of more than 3 billion cubic meters, the project can

china has been the global oil market's lifeline this year to increasing purchases from major oil producing countries in recent weeks, said reuters in its nov 19 story global crude market finds support mainly from china demand.in the first three quarters of this year, china impo

api 5l gr.b/astm a53 gr.b, carbon steel, lsaw steel pipeexw tianjin

api 5l/astm a53 gr.b, carbon steel, ssaw steel pipeexw tianjin

api 5l gr.b/astm a53 gr.b (hot expanded erw steel pipe)outside diameter

astm a671, standard specification for electric-fusion-welded steel pipe for atmospheric and lower temperatures. grades shall designate the type of plate used while class shall designate the type of heat treatment performed during pipe manufacture. class shall be designated as to whether th

q355 steel (q355b q355c q355d)q355 steel is a chinese low alloy high strength structural steel, which replaced q345, the material density is 7.85 g/cm3. according to gb/t 1591 -2018, q355 has 3 quality levels: q355b, q355c and

china's crude oil output edged up 1.4 percent year-on-year to 16.41 million tons in october, retreating from an increase of 2.4 percent re

q345 steel propertiesq345 steel is a chinese gb standard low alloy high strength structural steel, material density is 7.85 g/cm3, tensile strength is 470-630 mpa, and yield strength is 345 mpa, it has better properties than q235

q235 steel (q235a q235b q235c q235d)q235 is ordinary carbon structural steel. q represents the yield limit of this material. the latter 235 refers to the yield value of this material, which is about 235mpa.cons

fire fighting pipe is a type of normal carbon steel pipe us

benefit of material to systems application

chinese oil and gas giant sinopec, or china petroleum and chemical corp, announced on thursday the addition of 83 billion cubic meters of newly-proven natural gas reserves at the chuanxi gas field in the sichuan basin, increasing the gas field's proven gas reserves to 114 billion cu m, which is e

a53 pipe vs a106 pipe – scopeastm a53 is standard specification for pipe, steel, black and hot-dipped, zinc-coated, welded and seamless.astm a106 is standard specification for seamless carbon steel pipe

api 5l/astm a106 gr.b, seamless carbon steel pipe

tubing is a relatively small-diameter pipe that is run into a well to serve as a conduit for the passage of oil and gas to the field surface facilities for processing. tubing must be adequately strong to resist loads and deformations associated with production and workovers. further, tubin

casing is the major structural component of a well. it is a tubular steel product used to line the wellbore (maintain borehole stability), prevent contamination of water sands, isolate water from producing formations, and control well pressures during drilling, product

api 5l/astm a53 gr.b, carbon steel, ssaw steel pipetianjin