George Metals, which is based in Houston, USA, is a major producer and supplier of ST 52.3 round bars, providing top-quality carbon steel products designed to suit industrial requirements. Reputed for precision, strength, and customer satisfaction, George Metals supplies ST 52.3 round bars that are in line with international quality levels. These bars are designed with superior weldability, strength, and durability, making them appropriate for structural and mechanical use. With its long record of success and sophisticated processing technology, George Metals is a reliable business partner for companies in the construction, engineering, and heavy machinery industries in the United States.
ST 52.3 round bar is low-alloy, high-strength structural steel with a general chemical composition of carbon (up to 0.22%), manganese (up to 1.60%), and minor elements such as phosphorus and sulfur. It provides superior mechanical properties, such as minimum yield strength of 355 MPa and tensile strength of 490 to 630 MPa. ST 52.3 round bars are suitable for applications where high load-bearing capacity, impact resistance, and good machinability are needed. The material has superior weldability and formability and is thus used in a vast variety of industrial and structure applications.
Alloy 20 Round Bar Specification : ASTM B473 , ASME SB473
Dimension Standard : EN, DIN, JIS, ASTM, BS, ASME, AISI
Size : 14mm-300mm
Thickness : 50 mm to 6000 mm Long
Length : 1 To 6 Meters, Custom Cut Length
Form : Round, Square, Hex(A/F), Rectangle, Billet, Ingot, Forging Etc.
| Carbon Steel | C | Si | Mn | P | S | Cu | N |
| ST 52 | 0,22 | 0,55 | 1,60 | 0,030 | 0,030 | 0,55 | 0,012 |
| The final delivery condition | Cold drawn(Mandatory) BK1） | Cold drawn(Soft) BKW1） | Cold Drawn and Stress Release (BKS) | Anneal (GBK)1） | Normalizing (NBK)1） | |||||||||
| Kinds of Steel | Tensile | Elongation | Tensile | Elongation | Tensile | Yield point | Elongation | Tensile | Elongation | Tensile | Yield point | Elongation | ||
| Steel grade | Material number | No less than | ||||||||||||
| Rm | A5 | Rm | A5 | Rm | ReH | A5 | Rm | A5 | Rm | ReH2) | A5 | |||
| N/mm2 | % | N/mm2 | % | N/mm2 | N/mm2 | % | N/mm2 | % | N/mm2 | N/mm2 | % | |||
| St52 | 1.0580 | 640 | 4 | 580 | 7 | 580 | 420 | 10 | 490 | 22 | 490~630 | 355 | 22 | |
|
DIN |
EN |
JIS |
ISO |
ASTM |
GB |
|
|
ST52-3 |
S355JR |
SM490A |
FE510B |
E36-2 |
A572Gr.50 |
Q345B |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
George Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Houston, USA
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