lsaw and ssaw are variants of saw (submerged arc welded) pipes. the difference between them is the way they are welded. in lsaw pipes, the welding is longitudinal, which means that steel (hot rolled coil plate) is rolled into a pipe and the seam is welded longitudinally. in the ssaw type,

the halt to construction of the keystone xl oil pipeline, long a point of contention between climate activists and the energy industry, has caused a ripple in us-canada relations.

pipe pile is normally used for stabilization to support a deep foundation to bear the heavy load capacity of the building structures or seaport projects, cofferdam construction, marine foundation farther down the earth’s surface.the steel pipe pile is a type of spiral

from 2014 to 2018, the demand for seamless steel pipes in china decreased year by year. in 2018, the demand for seamless steel pipes in china was 20.86 million tons, a decrease of 5.94% year-on-year. in 2019, the demand for seamless steel pipes in china was 23.77 million tons. a year-on-ye

urumqi -- the tarim oilfield of china national petroleum corporation (cnpc), china's leading oil and gas producer, on monday saw its 2020 output surpass 30 million tons of oil equivalent.

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

q215 mild steelq215 steel is a chinese carbon structural steel

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

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

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

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 gr.b/astm a53 gr.b, carbon steel, lsaw steel pipefob tianjin

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

casing tubing drill pipe is one of the seamless casing and tubing specialties of octg in the category of seamless products that are specially made. casing tubing drill pipes have a diameter of 2-3/8-13-3/8inches and thickness of 0.19-1.00inches. drill pipe of this kind are of the steel grade qual