
Threeway Steel Co., Ltd
E-mail: sales@srtsteelpipe.com
Address: 22nd Floor, Royal Wing Tower, Long Champ International Building, No.9 Xiangfu Road, Changsha, Hunan, China, PC: 410116Phone:0086-731-8873-9521

Keywords :Oil Casing Oil and Gas Update : 2026-10-16 View(s) : 10
Oil casing is critical for shale oil and gas horizontal wells, where long wellbores, complex stress, and repeated high-pressure hydraulic fracturing create demanding service conditions. Casing supports the wellbore, isolates formations, maintains pressure integrity, and provides a structur...

Keywords :oil well casing P110 and Q125 oil well casing Update : 2026-10-15 View(s) : 16
P110 and Q125 are high-strength oil well casing grades under API Specification 5CT, with minimum yield strengths of 110,000 psi (≈758 MPa) and 125,000 psi (≈862 MPa). P110 is commonly used in deep wells where conventional grades lack sufficient strength, while Q125 may be justified when h...

Keywords :oil casing, tubing, and drill pipe Update : 2026-10-14 View(s) : 31
Oil Country Tubular Goods (OCTG) are essential steel tubular products for oil and gas drilling, well construction, and production. OCTG mainly includes oil casing, oil tubing, and drill pipe, each serving different functions. Oil casing supports the wellbore, prevents collapse, and isolate...

Keywords :square and rectangular tubes Update : 2026-10-09 View(s) : 84
Square and rectangular steel tubes are widely used in agricultural machinery frames, chassis, trailers, and greenhouse structures. Their hollow sections provide a strong, lightweight, and cost-efficient solution for columns, beams, roof trusses, bracing, and equipment supports. These tube...

Keywords :square and rectangular tubes Update : 2026-09-24 View(s) : 149
Square and rectangular steel tubes are critical structural members in modern bridge construction, offering high strength, stiffness, and low weight for trusses, bracing, and cross members. Their closed cross-sections provide excellent resistance to bending and torsional loads. Material se...