Phehlukwayo Metal, located in Cape Town, South Africa, has earned a solid reputation as a reliable manufacturer and supplier of top-notch Stainless Steel 431 Bars and Rods. Known for their precision and durability, these products are crafted to meet international standards, ensuring they perform consistently across a wide range of industrial applications. With a strong commitment to quality, Phehlukwayo Metal employs advanced manufacturing techniques and strict quality control measures to provide stainless steel products that boast exceptional strength, corrosion resistance, and visual appeal. The company serves various industries, from automotive to chemical processing, establishing itself as a trusted partner for engineers, fabricators, and manufacturers in search of high-quality stainless steel solutions.
Stainless Steel 431 is a martensitic stainless steel alloy primarily made up of iron, with 15–17% chromium, 2–3% nickel, and 0.2–0.5% carbon, along with trace amounts of manganese and silicon. This unique composition strikes a balance between high strength, hardness, and moderate corrosion resistance. Its mechanical properties include impressive tensile strength, yield strength, and fatigue resistance, making it ideal for demanding applications. The material can be heat-treated to boost hardness and toughness while preserving its structural integrity, offering versatility for precision-engineered components that need to withstand stress and wear.
Dimensions : EN, DIN, JIS, ASTM, BS, ASME, AISI
Standard : ASTM A276, ASTM A479
Material Grade : Stainless Steel 431 (UNS S43100)
Stainless Steel 431 Round Bars : Outside Diameter in the range of 4mm to 500mm
Stainless Steel 431 Bright Bars : Outside Diameter in the range of 4mm to 100mm
Stainless Steel 431 Hex Bars : 18mm – 57mm (11/16″ to 2-3/4″)
Stainless Steel 431 Square Bars : 18mm – 47mm (11/16″ to 1-3/4″)
Stainless Steel 431 Flats : 1/2” to 10” in thickness range of 2mm to 150mm, Custom Size Stainless Steel Flats available
Length : 1 to 6 Meters, Custom Cut Lengths
Form : Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc.
Finish : Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish
| 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 | – |
| Element | SS 431 |
| Density | 0.2800 lb/inch³ |
| Electrical Resistivity | 70° Ohms (circ mil./ft.) |
| Modulus of Elasticity | 29.0 X 10^3 |
|
Grade |
UNS No |
Old British |
Euronorm |
Swedish SS |
Japanese JIS |
||
|
BS |
En |
No |
Name |
||||
|
431 |
S43100 |
431S29 |
57 |
1.4057 |
X17CrNi16-2 |
2321 |
SUS 431 |
Stainless Steel 431 Bars and Rods are ideal for applications requiring high strength and corrosion resistance. They are commonly used in marine, aerospace, automotive, and engineering industries for manufacturing shafts, fasteners, valve components, and other high-strength parts exposed to harsh environments.
Stainless Steel 431 offers a combination of high strength, excellent corrosion resistance, and good wear resistance, making it suitable for demanding applications. Unlike other grades, it has a higher hardness and is often used where mechanical performance and toughness are critical.
Stainless Steel 431 Bars and Rods find extensive use in industries that demand high strength and corrosion resistance. Typical applications include shafts, fasteners, bolts, automotive parts, pump shafts, valve components, and aerospace hardware. They are particularly well-suited for marine and chemical processing environments due to their resistance to chloride-induced corrosion. Their blend of toughness and hardness makes them perfect for wear-resistant parts, precision instruments, and tools that face cyclic loads. Additionally, Stainless Steel 431 is utilized in mechanical and structural components where durability is essential.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Phehlukwayo Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Cape Town, South Africa
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