Jiangsu Profile
Famous Export Brand
Product List
14011. TP304L Stainless Steel Seamless Tube & Pipe 
[Feb 01, 2018]
[Feb 01, 2018] Tongji Engineering offers a comprehensive list of tubing alloys to fit the most and least common applications.Stainless Steel: 304 Tubing, 316/ 316L/ 316H, 317/ 317L, 309S/ 310H, 310S/ 310H, 321/321H, 347/ 347HDuplex ...
14012. Durable JIS3441 Profiled Steel Tubes for Industrial Use [Jan 20, 2026]
[Jan 20, 2026] Seamless Steel Tube --Precise custom outer diameter and inner diameter --Tight tolerances, resulting in reduced machine time / Dimensional accuracy --Smooth and Clean OD and ID surfaces --Excellent machining ...
14013. Premium Profiled Steel Tubes Crafted From Alloy and Carbon [Jan 20, 2026]
[Jan 20, 2026] Seamless Steel Tube --Precise custom outer diameter and inner diameter --Tight tolerances, resulting in reduced machine time / Dimensional accuracy --Smooth and Clean OD and ID surfaces --Excellent machining ...
14014. Durable Special Shapes Tube for Industrial Machinery Use [Jan 14, 2026]
[Jan 14, 2026] Seamless Steel Tube --Precise custom outer diameter and inner diameter --Tight tolerances, resulting in reduced machine time / Dimensional accuracy --Smooth and Clean OD and ID surfaces --Excellent machining ...
14015. Premium Cold Finished Seamless Tubes for Instrumentation Applications [Jan 13, 2026]
[Jan 13, 2026] Seamless Steel Tube --Precise custom outer diameter and inner diameter --Tight tolerances, resulting in reduced machine time / Dimensional accuracy --Smooth and Clean OD and ID surfaces --Excellent machining ...
14016. High-Quality Cold Drawn Precision Welded Steel Shaped Tubes [Jan 13, 2026]
[Jan 13, 2026] Seamless Steel Tube --Precise custom outer diameter and inner diameter --Tight tolerances, resulting in reduced machine time / Dimensional accuracy --Smooth and Clean OD and ID surfaces --Excellent machining ...
14017. High-Quality Special Shaped Steel Tubes for Global Supply [Jan 04, 2026]
[Jan 04, 2026] Product Description Seamless Steel Pipe/Tube:Seamless steel pipe is a type of steel pipe made of a single piece of metal with no joints on the surface. The production methods of this type of steel pipe include hot ...
14018. Cold Drawing Seamless Pipe, HPL Tubes of Special Shaped [Sep 28, 2025]
[Sep 28, 2025] Seamless Steel Pipe/Tube --Precise custom outer diameter and inner diameter --Tight tolerances, resulting in reduced machine time / Dimensional accuracy --Smooth and Clean OD and ID surfaces --Excellent machining ...
14019. Best Quality ERW Q235 A36 Z60 Galvanized Steel Pipe Zinc Coated 3inch Gi Prepainted Square Tube [Oct 31, 2024]
[Oct 31, 2024] Introducing our Pre-Galvanized Pipe, a superior choice for durability and performance, ensuring unmatched strength and resilience for your structural projects. Out Diameter 1/2" -8" (20mm-219mm) Wall ...
Company: Tianzhu Special Steel Co., Ltd
14020. Q235B Q345 St52 100*100 Gi Pipe 90mm Galvanized Steel Pipe Hollow Square Round Welded Pipe Tube [Oct 31, 2024]
[Oct 31, 2024] Introducing our Pre-Galvanized Pipe: a meticulously engineered product designed to cater to the demanding needs of modern construction projects. Crafted with precision, this pipe ensures durability and robust ...
Company: Tianzhu Special Steel Co., Ltd
14021. ERW Steel Square Tubing Standard Sizes Pre Zinc Coated Square Galvanized Steel Pipe 4" Tube [Oct 31, 2024]
[Oct 31, 2024] Pre-galvanized pipe Out Diameter 1/2" -8" (20mm-219mm) Wall Thickness 0.5mm - 2.8mm Pipe Length 0.5m~7.2m or Customerized Zinc Coating 40g/m2 - 270g/m2 , ...
Company: Tianzhu Special Steel Co., Ltd
14022. H8/H9 St 52 Cold Drawn Honed Hydraulic Cylinder Tube, Honing or Skiving Hydraulic Tubes [Sep 10, 2025]
[Sep 10, 2025] Seamless Steel Pipe/Tube --Precise custom outer diameter and inner diameter --Tight tolerances, resulting in reduced machine time / Dimensional accuracy --Smooth and Clean OD and ID surfaces --Excellent machining ...
14023. Hexagonal Steel Pipe Lemon Pipe Triangle Tube Splined Tube Hexagon Hollow Rod Tube [Sep 28, 2025]
[Sep 28, 2025] Seamless Steel Tube/Pipe --Precise custom outer diameter and inner diameter --Tight tolerances, resulting in reduced machine time / Dimensional accuracy --Smooth and Clean OD and ID surfaces --Excellent machining ...
14024. Hot Dipped Galvanized Square Rectangular Steel Pipe Black Carbon Welded Steel Perforated Steel Tube [Oct 31, 2024]
[Oct 31, 2024] Product Feature: Pre-Galvanized Pipe - Discover the exceptional durability and quality of our Pre-galvanized pipes, meticulously crafted to provide unparalleled strength and resilience for your construction needs. ...
Company: Tianzhu Special Steel Co., Ltd
14025. ASTM A530/A519/A53 Pre Galvanized Welded Tube Square Structural Steel Tube Galvanized Steel Pipe ... [Oct 31, 2024]
[Oct 31, 2024] Pre-galvanized pipe Out Diameter 1/2" -8" (20mm-219mm) Wall Thickness 0.5mm - 2.8mm Pipe Length 0.5m~7.2m or Customerized Zinc Coating 40g/m2 - 270g/m2 , ...
Company: Tianzhu Special Steel Co., Ltd
