Neil Metals, based in Kolkata, India, has made a name for itself as a top-notch manufacturer and supplier of high-quality ST 52.3 Round Bars. They cater to a diverse range of industries, including construction, automotive, machinery, and engineering. With a strong commitment to quality assurance, precise dimensions, and customer satisfaction, Neil Metals delivers ST 52.3 bars that comply with both national and international standards. These round bars are celebrated for their impressive tensile strength, excellent weldability, and durability, especially under heavy loads. Neil Metals guarantees timely delivery, custom specifications, and dependable performance, making them a trusted partner for industrial clients both in India and abroad.
ST 52.3 Round Bars are low-alloy structural steel grades primarily made of iron, containing around 0.22% carbon, 1.60% manganese, and trace amounts of phosphorus and sulfur. They boast good mechanical strength and toughness, with a tensile strength ranging from 600 to 700 MPa and a yield strength of about 355 MPa. These bars also exhibit excellent elongation properties, enabling them to endure stress and impact. Additionally, ST 52.3 offers great weldability and machinability, making it an ideal choice for structural applications that demand strength, flexibility, and reliability in dynamic settings.
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 |
Considerations for selecting ST 52.3 Round Bar include its mechanical properties, tensile strength, corrosion resistance, application requirements, and cost-effectiveness.
ST 52.3 Round Bar generally does not require corrosion protection coatings for indoor applications but may need coatings for outdoor or harsh environments to enhance its durability.
ST 52.3 Round Bar can be used for underground applications, but it may require additional corrosion protection to ensure longevity in moist or aggressive environments.
Due to their high strength and toughness, ST 52.3 Round Bars are widely utilized in structural and mechanical engineering applications. In the construction sector, they are commonly used for frameworks, support beams, and reinforcements. The automotive industry incorporates them into chassis components, axles, and suspension systems. In the manufacturing of heavy machinery and equipment, these bars serve as shafts, spindles, and gear parts. Their excellent weldability also makes them perfect for fabrication and assembly tasks. ST 52.3 Round Bars perform admirably under dynamic loads and vibrations, making them suitable for both static and moving structural components.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Neil Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Kolkata, India
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