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148321. ASTM Standard Carbon Steel Round Structural Bars, Q235/Q345/Ss400 Grade, Cold-Drawn and Polished 
[Feb 02, 2026]
[Feb 02, 2026] Product introduction Round steel belongs to carbon structural steel for construction and machinery, while square steel belongs to carbon structural steel for machinery. Both of them are simple section steel, and their ...
Company: Jiangsu Rongyi Metal Co., Ltd
148322. Factory Wholesale of High-Quality Carbon Steel Round Bars [Feb 02, 2026]
[Feb 02, 2026] Product introduction Carbon steel round bar is a solid round steel made of carbon steel. Its specifications are expressed by diameter and are divided into three categories according to the processing method: hot ...
Company: Jiangsu Rongyi Metal Co., Ltd
148323. High Quality Most Popular Q195 Q215 Q235 Q255 Q275 Carbon Steel Bar [Feb 02, 2026]
[Feb 02, 2026] Product introduction Carbon steel round bar is a solid round steel made of carbon steel. Its specifications are expressed by diameter and are divided into three categories according to the processing method: hot ...
Company: Jiangsu Rongyi Metal Co., Ltd
148324. Factory Manufacturing Quality Wholesale Steel Rebar HRB500 6mm Iron Rod for Construction [Feb 02, 2026]
[Feb 02, 2026] Product Description Product Parameters Deformed Steel Bar (full name Reinforcing Bar), scientific name Hot Rolled Ribbed Steel Bar, is a steel with transverse and longitudinal ribs on the surface, mainly used in ...
148325. Cold-Drawn Seamless Carbon Steel Tubes and Precision Alloy Hollow [Feb 01, 2026]
[Feb 01, 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
148326. ASTM A106 A53 A178 A179 St45 St52 St37 Carbon Seamless Steel Pipes [Jan 31, 2026]
[Jan 31, 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
148327. Professional Manufacturer Q235 Q345 A36 S235jr S275jr S355jr Carbon Seamless Steel Pipe [Jan 31, 2026]
[Jan 31, 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
148328. ASTM AISI High Quality Direct Selling A36 A53 A106 Carbon Steel Pipe [Jan 31, 2026]
[Jan 31, 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
148329. High Quality Q235 Q345 A36 S275jr S335 St52 St37 Carbon Seamless Pipe [Jan 31, 2026]
[Jan 31, 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
148330. High-Quality Q235 Carbon Steel Seamless Pipe Price From Chinese Supplier [Jan 31, 2026]
[Jan 31, 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
148331. Hot-Selling Professional Low-Priced 36-Inch Diameter Carbon Steel Pipe [Jan 31, 2026]
[Jan 31, 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
148332. Chinese Factory High Quality A36 A572 Gr50 S355 Carbon Steel Seamless Pipe [Jan 31, 2026]
[Jan 31, 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
148333. Chinese Suppliers Offer High-Standard Carbon Steel Pipes at Low Prices [Jan 30, 2026]
[Jan 30, 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
148334. Custom-Cut Length Carbon Steel Pipe, 20# ASTM 1020, Machine-Seamless, Large Diameter, Thin-Walled. [Jan 30, 2026]
[Jan 30, 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
148335. Hot-Selling Chinese Factory OEM High-Quality Best Price Seamless Carbon Steel Pipe [Jan 30, 2026]
[Jan 30, 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
