Jiangsu Profile
Product List
721. 35*21mm Sizes of Seamless Steel Tubes Made From 40cr 
[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 ...
722. 4130 4140 Cold Drawn Alloy Seamless Steel Pipe and Tube [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 ...
723. Cold-Drawn Precision Steel Tubes with Material 4130, 4140 [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 ...
724. Seamless, Welded, Cold Rolled Round Carbon Steel Pipes & Tubes [Sep 29, 2025]
[Sep 29, 2025] Product introduction Seamless carbon steel pipe is a hollow pipe made of carbon steel as the main material, which is made by hot rolling, cold rolling or cold drawing after perforating a whole round steel or solid pipe. ...
Company: Jiangsu Rongyi Metal Co., Ltd
725. Cold Drawn Precision Steel Tube in 45# 20# 16mn 42CrMo [Sep 29, 2025]
[Sep 29, 2025] Product introduction Seamless carbon steel pipe is a hollow pipe made of carbon steel as the main material, which is made by hot rolling, cold rolling or cold drawing after perforating a whole round steel or solid pipe. ...
Company: Jiangsu Rongyi Metal Co., Ltd
726. Precision Bright Cold Drawn Carbon Steel Tube with Large Diameter Seamless [Sep 29, 2025]
[Sep 29, 2025] Product introduction Seamless carbon steel pipe is a hollow pipe made of carbon steel as the main material, which is made by hot rolling, cold rolling or cold drawing after perforating a whole round steel or solid pipe. ...
Company: Jiangsu Rongyi Metal Co., Ltd
727. Factory Manufacture Various 42CrMo4 Steel Tube [Sep 27, 2025]
[Sep 27, 2025] 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 ...
728. 4140 Material Precision Seamless Steel Tube [Sep 27, 2025]
[Sep 27, 2025] 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 ...
729. Alloy Seamless AISI 4130 Steel Tube [Sep 27, 2025]
[Sep 27, 2025] 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 ...
730. Cold Rolled 4130 Steel Seamless Pipe/Tube [Sep 27, 2025]
[Sep 27, 2025] 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 ...
731. Seamless Steel Pipe DIN2391 St52 Nbk Steel Tube [Sep 27, 2025]
[Sep 27, 2025] 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 ...
732. 4130 Cold Rolled Seamless ASTM A519 Steel Pipe/Tube [Sep 27, 2025]
[Sep 27, 2025] 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 ...
733. J55, K55, N80-1, N80q, R95, M65, L80, C90, T95, C110, P110, Q125 Premium High-Pressure Seamless ... [Oct 20, 2025]
[Oct 20, 2025] Product Description The oil casing is a steel tube used to support the well wall of oil and gas Wells to ensure the normal operation of the whole well during the drilling process and after completion. Several layers ...
Company: WUXI TONGNO SPECIAL STEEL CO.,LTD
734. High-Performance Seamless Steel Tube for Oil Extraction J55, K55, N80-1, N80q, R95, M65, L80, C90, ... [Oct 20, 2025]
[Oct 20, 2025] Product Description The oil casing is a steel tube used to support the well wall of oil and gas Wells to ensure the normal operation of the whole well during the drilling process and after completion. Several layers ...
Company: WUXI TONGNO SPECIAL STEEL CO.,LTD
735. Premium Seamless Stainless Steel Tubes in Multiple Grades and Sizes [Sep 29, 2025]
[Sep 29, 2025] Product Description Stainless steel seamless steel pipe is a kind of long steel with hollow section and no seams around. It is a steel pipe that is resistant to corrosion by weak corrosive media such as air, steam, ...
Company: WUXI TONGNO SPECIAL STEEL CO.,LTD
