Jiangsu Profile
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Product List
211. Alloy Steel Seamless Tube A335 P11 P22 for High Pressure Boiler 
[Dec 19, 2025]
[Dec 19, 2025] Product Description √21 Years of Custom Seamless Steel Pipe Expertise Tailor round steel materials, mechanical properties, dimensional accuracy, and shapes to your exact needs, fully compliant with ASTM, DIN/EN, JIS, ...
212. Stainless Steel Heat Exchanger Bolier Seamless Tube [Sep 24, 2025]
[Sep 24, 2025] Professional Heat Exchanger Factory With 20 years Experience ONE-STOP Heating Transfer Solution For You Design different plate heat exchanger for your usage (Metallurgy, food, petrochemical, pharmaceutical, beverage, ...
213. Seamless Honed Steel Tube St52 E355 Ck45 SAE1026 for Hydraulic Cylinder [Jan 29, 2026]
[Jan 29, 2026] Inside Dia (mm) ID Tolerance (mm) WT Tolerance (mm) H7 H8 H9 H10 ≤30 +0.021/0 +0.033/0 +0.052/0 +0.084/0 ±7.5% >210mm ±10% 30 - ≤50 +0.025/0 +0.039/0 +0.062/0 +0.100/0 50 - ...
Company: East Ai Machinery Co., Limited
214. Hydraulic Cylinder Honed Tube with Smooth Bore Precision Seamless Steel [Jan 29, 2026]
[Jan 29, 2026] Inside Dia (mm) ID Tolerance (mm) WT Tolerance (mm) H7 H8 H9 H10 ≤30 +0.021/0 +0.033/0 +0.052/0 +0.084/0 ±7.5% >210mm ±10% 30 - ≤50 +0.025/0 +0.039/0 +0.062/0 +0.100/0 50 - ...
Company: East Ai Machinery Co., Limited
215. Honed Tube for Hydraulic Cylinder St52 E355 Ck45 Precision Seamless Steel Tube [Jan 29, 2026]
[Jan 29, 2026] Inside Dia (mm) ID Tolerance (mm) WT Tolerance (mm) H7 H8 H9 H10 ≤30 +0.021/0 +0.033/0 +0.052/0 +0.084/0 ±7.5% >210mm ±10% 30 - ≤50 +0.025/0 +0.039/0 +0.062/0 +0.100/0 50 - ...
Company: East Ai Machinery Co., Limited
216. Accurate Tolerance Smooth Bore Seamless Steel Honed Tubing Hydraulic Cylinder Tube [Jan 28, 2026]
[Jan 28, 2026] Factory Introduction INTRODUCTION OF COMPANY - ONE OF LEADING HYDRAULIC CYLINDER HONED TUBE SUPPLIERS IN CHINA Our company EASTAI is one of the leading China hydraulic honed tube suppliers and manufacturers located ...
Company: East Ai Machinery Co., Limited
217. Premium 20crmnti Seamless Steel Tubes in Unique Shapes [Jan 23, 2026]
[Jan 23, 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 ...
218. Premium Thick Wall Seamless Steel Structure Pipe Tube [Jan 23, 2026]
[Jan 23, 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 ...
219. Premium Seamless Steel Pipes and Tubes for Industrial Use2. [Jan 23, 2026]
[Jan 23, 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 ...
220. Premium Hot and Cold Rolled Seamless Carbon Steel Tube [Jan 19, 2026]
[Jan 19, 2026] 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
221. Factory Wholesale AISI 20# 45# Seamless Steel Pipe Carbon Round Steel Tube [Jan 19, 2026]
[Jan 19, 2026] 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
222. Seamless, Welded, Cold Rolled Round Carbon Steel Pipes & Tubes [Jan 19, 2026]
[Jan 19, 2026] 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
223. High Precision 35CrMo Seamless Steel Tube for Industrial Use [Jan 19, 2026]
[Jan 19, 2026] 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
224. Premium Hot Rolled Seamless Mild Steel Tube for Petroleum [Jan 19, 2026]
[Jan 19, 2026] 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
225. Premium 5 Inch Seamless Steel Pipe Tube Q235 Q355 A36 [Jan 19, 2026]
[Jan 19, 2026] 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
