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Carbon steel flat bar is widely used in multiple applications due to its strength, superior ductility, and weldability. The common grades include 1018, 1045, 1117, 1141, 1144, 1215, 12L14, A36, A529 and A572 etc. The variety of grades to meet various strength, machinability and weldabilty requirements, also superior ductility and weldability..
Carbon steel flat bar has the characteristics of manganese, phosphorus, sulfur. Carbon steel rectangle bar has wide applications of general purpose structural and mechanical applications such as riveted, bolted, or welded construction of bridges and buildings. It is a good choice for making crank, 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 flat bar include energy, construction, automotive, marine and offshore industries, telecommunication, agriculture and general fabrication.
Carbon steel flat bar has a large number of applications in the field of construction, mainly used in building structures and reinforced concrete formwork.
Carbon steel flat 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 flat 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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