Maduka Metals, located in Abuja, Nigeria, has built a solid reputation as a reliable manufacturer and supplier of top-notch Stainless Steel 431 Rectangular Bars. Known for their durability and resistance to corrosion, these high-performance stainless steel products meet international standards. Thanks to their state-of-the-art manufacturing facilities and rigorous quality control processes, Maduka Metals guarantees that each Stainless Steel 431 Rectangular Bar offers exceptional strength, precision, and reliability. Available in a variety of dimensions and finishes, these bars are perfect for a range of applications across industries like construction, automotive, engineering, and marine environments where strength and resistance to corrosion and wear are crucial.
Stainless Steel 431 Rectangular Bars are made from martensitic stainless steels that include chromium (15–17%), nickel (1.25–2.5%), and carbon (up to 0.20%). This unique blend gives them remarkable hardness, tensile strength, and corrosion resistance, particularly in mild chemical and marine settings. The material is tough and can be hardened through heat treatment, boasting a tensile strength of around 850–1000 MPa and a hardness range of 250–300 HB. These characteristics make Stainless Steel 431 an excellent choice for high-stress applications that demand both mechanical strength and resistance to corrosion.
Stainless Steel Rectangular Bar Specification : ASTM A276 / A479, ASME SA276 / A479
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.
| 431 | Max | Min |
| C | 0.20 | – |
| Cr | 17.00 | 15.00 |
| Fe | Balance | – |
| Mn | 1.00 | – |
| Ni | 2.50 | 1.25 |
| P | 0.040 | – |
| S | 0.030 | – |
| Si | 1.00 | – |
|
Typical Mechanical Properties at Elevated Temperatures, Hardened at 1010oC and Tempered at 30oC Above Working Temperature |
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|
Tempering Temperature oC |
510 |
570 |
620 |
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|
Working Temperature oC |
480 |
540 |
590 |
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|
Tensile Strengt Mpa |
1350 |
720 |
435 |
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|
Elongation in 50mm % |
15 |
20 |
26 |
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|
Room Temperature Hardness after Test |
HB |
440 |
330 |
280 |
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|
Rc |
47 |
37 |
30 |
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|
Grade |
UNS No |
Old British |
Euronorm |
Swedish SS |
Japanese JIS |
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|
BS |
En |
No |
Name |
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|
431 |
S43100 |
431S29 |
57 |
1.4057 |
X17CrNi16-2 |
2321 |
SUS 431 |
Yes, Stainless Steel 431 Rectangular Bars can be used at high temperatures due to their excellent oxidation and corrosion resistance, typically up to 800°C.
The pressure rating of Stainless Steel 431 Rectangular Bars depends on the specific application and design, but they generally perform well under moderate pressure conditions in structural and machinery applications.
Yes, Stainless Steel 431 Rectangular Bars are fully recyclable and can be reused without losing their properties.
Industries such as aerospace, marine engineering, and mechanical manufacturing frequently rely on Stainless Steel 431 Rectangular Bars for their outstanding strength and durability. They are perfect for crafting pump shafts, valve components, bolts, and fasteners that need to perform well in corrosive or high-stress environments. In the automotive and construction fields, these bars are used for structural components, tools, and fittings that require resistance to wear and corrosion. Their superb machinability and polishability also make them ideal for decorative and precision-engineered parts that need to balance functionality with aesthetic appeal.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Maduka Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Abuja, Nigeria
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