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Product List
28381. Hot Rolled ASTM 4140 JIS DIN 42CrMo4 C45 Cr12 Carbon Steel Round 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
28382. St37 S275jr Ss400 Carbon Steel 30mm 10mm Low Carbon Steel Round Bar 20mm Diameter [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
28383. High Quality A36 Ss400 S235jr S355j2 Q235B Q345b St37 A572 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
28384. Best Quality S235, S275, S355, S420, S460 Carbon Steel Round Bars, 10mm and 12mm [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
28385. SAE 1010 1020 1040 1045 Carbon Seamless Steel Pipes and Tubes Sch 40s 3/8 Inch 1/2 Inch 3/4 Inch 1 ... [Feb 02, 2026]
[Feb 02, 2026] Product Description Product Parameters Carbon steel seamless steel pipes are made of one piece of metal and have no seams on the surface. According to the production method, seamless pipe is divided into heat ...
28386. ASTM Ah36 1008 JIS S45c S55c S35c 1040 1045 Hot Rolled 38mm 40mm 48mm Cast Iron Round Bar Carbon ... [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
28387. Cheap Price 1020 1060 1045 1018 Ck45 Black Mild Hot Rolled 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
28388. Hot Sale A36 Q235B St37 St52 1008 1020 GB #20 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
28389. High Quality ASTM S45c A36 1008 1020 GB #20 Q235B Low Carbon Steel Bar Customized for Construction [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
28390. High Strength ASTM SAE1020 45# 40cr Hot Rolled Carbon Steel Bar for Precision Machinery Applications [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
28391. Best Product High Quality Hot Rolled Ms Mild Steel Flat Bar S235jr S275jr S355jr Carbon Steel Flat ... [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
28392. Factory Direct Supply High Strength Hot Rolled and Cold Rolled ASTM Q235 Q345 A53 DC01 M390 Carbon ... [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
28393. Wholesale Alloy Steel Bar 4140 S45c SAE1045 Carbon #20 #45 #60 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
28394. Factory Direct Schedule 40 A36 1008 1020 GB #20 Q235B Carbon Steel Seamless Pipe [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
28395. Hot Rolled Pipe Q235 Q345 A36 S275jr S335 St52 St37 Seamless Carbon Steel Pipe [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
