Isis Metals is a trusted manufacturer and supplier of ST 52.3 Round Bars, proudly based in Manila, Philippines. The company has built a solid reputation for crafting high-quality carbon steel products that offer exceptional strength, machinability, and impact resistance. Using cutting-edge hot-rolling and heat-treatment methods, these round bars comply with international standards like DIN 2391 and EN 10210. Isis Metals provides ST 52.3 Round Bars in a variety of diameters and lengths, serving industries such as construction, automotive, machinery manufacturing, and oil and gas, where strength and durability are crucial.
These ST 52.3 Round Bars primarily consist of carbon (0.22%), manganese (1.6%), phosphorus (0.05%), and sulfur (0.05%), with iron making up the rest. This low-carbon, high-tensile structural steel boasts a tensile strength ranging from 490 to 630 MPa and a yield strength of about 355 MPa, along with impressive elongation (up to 21%) and good weldability. The fine-grain structure of the steel enhances its toughness, making it perfect for high-stress and dynamically loaded applications. Plus, its machinability and surface finish facilitate easy fabrication and shaping.
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.
ST 52.3 Round Bars find extensive use in machine components, shafts, axles, hydraulic cylinders, structural supports, and automotive parts. Their remarkable blend of strength and ductility makes them ideal for construction frameworks, pressure vessels, and various mechanical engineering applications. Thanks to their high impact resistance and consistent mechanical properties, these bars perform reliably even in challenging working conditions, ensuring a long service life and excellent load-bearing performance in both static and dynamic environments.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Isis Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Manila, Philippines
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