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Carbon steel round bar, or carbon steel rod, has a series of grades. It varies from low carbon to mild steel of 1018, leading free cutting steel 12L14 to alloy steel 4130 and 4140. The diversity makes carbon steel bar has the advantages of machining, drilling, punching, grinding, tapping and weldability. We can supply all kinds of carbon steel rods..
Carbon steel round bar can be divided into cold rolled steel bar and hot rolled steel bar according to the processing progress. Carbon steel round bar has wide applications of general purpose structural and mechanical applications such as riveted, bolted, or welded construction of bridges and buildings. According to the good ductility, weldability, high strength, carbon steel bar is a good choice for making rivet, bolt, shaft, gear etc.
| ASTM | JIS | SAE | Application |
| A569 A635 A659 A1011 CS Type A, B, C |
G3131 SPHC | 1006~1025 | Commercial Quality |
| - | G3131 SPHD | 1006-1010 | Drawing Quality |
| A622 A1011 DS Type A, B |
G3131 SPHE | 1006~1010 | Deep Drawing Quality |
| A36 A283 GR.C A570 GR.30~40 A1001 SS GR.30~40 |
G3101 SS330 SS400 G3106 SM400A G3132 SPHT1 SPHT2 SPHT3 |
1010~1025 | General Structure (T.S. < 490 N/mm2) |
| A570 GR.45~50 A607 GR.45~70 A1011 SS GR.45, 50 A1011 HSLAS GR.45~70 |
G3101 SS490 G3106 SM490A SM490A SM490YA G3132 SPH4 |
J1392 050X | General Structure (T.S. ≧ 490 N/mm2) |
Uses of carbon steel round bar include energy, construction, automotive, marine and offshore industries, telecommunication, agriculture and general fabrication.
Carbon steel round bar has a large number of applications in the field of construction, mainly used in building structures and reinforced concrete formwork.
Carbon steel round bar also has important applications in shipbuilding. It is mainly used to build the main structure of the ship, such as the hull, deck, bow, stern and other parts.
Widely used in oil and gas extraction, transportation and processing. It is used in the manufacture of oil well pipes, pipelines, drilling pipes and other petroleum equipment.
Carbon steel round bar is widely used to manufacture a variety of mechanical equipment and parts, such as automobiles, ships, airplanes and construction machinery etc.
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