Al Summan Metals, a leading manufacturer and supplier based in Dubai, UAE, specializes in producing high-quality **ST 52.3 Round Bars** built for demanding industrial and structural applications. Celebrated for their exceptional strength, durability, and weldability, these round bars are engineered to deliver dependable performance in construction, engineering, and heavy machinery environments. Al Summan Metals employs advanced manufacturing methods and stringent quality control to ensure uniform mechanical properties, accurate dimensions, and enduring performance. Serving industries such as construction, automotive, shipbuilding, and machinery, the company provides ST 52.3 round bars that deliver outstanding operational efficiency, structural integrity, and reliability in critical applications.
ST 52.3 Round Bars** are composed primarily of carbon, manganese, phosphorus, sulfur, and small quantities of silicon. This combination delivers high tensile strength, outstanding yield strength, and notable toughness. In terms of mechanical properties, ST 52.3 round bars demonstrate remarkable strength, good elongation, and reliable weldability. Thanks to these traits, they are ideally suited for applications requiring durability, structural integrity, and resistance to mechanical stress under heavy loads and demanding conditions.
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 in length
Length : 1 To 6 Meters, Cut to Custom Lengths
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 |
Selecting ST 52.3 Round Bar depends on factors such as its mechanical characteristics, tensile strength, resistance to corrosion, the demands of the application, and value for money.
ST 52.3 Round Bar typically doesn't need corrosion protection coatings for indoor uses, though it may require coatings in outdoor or harsh conditions to improve its durability.
ST 52.3 Round Bar is suitable for underground applications, though it may need extra corrosion protection to guarantee durability in damp or harsh environments.
**ST 52.3 Round Bars** are widely applied across industries that demand strong and dependable structural elements. They are commonly employed in building frameworks, bridges, heavy machinery shafts, and automotive components. Within shipbuilding and engineering applications, they function as structural supports, machinery parts, and reinforced structures. Thanks to their exceptional mechanical strength, toughness, and weldability, ST 52.3 round bars are well suited for projects demanding durability, reliability, and lasting performance. These round bars provide steady quality, strength, and operational efficiency across critical structural and industrial uses.
We supply products accompanied by both mill test certificates and third-party test certificates, guaranteeing the highest standards of quality and compliance.
Al Summan Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Dubai, UAE
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