Semih Metals, Istanbul, Turkey is the leading manufacturer and supplier of an extensive range of high-quality products. Including Stainless Steel 431 Round Bars/Rods. We specialize in the production of products across various materials, such as Stainless steel, Aluminium, Carbon steel and High nickel alloys. Ensuring diverse and reliable solutions for a variety of industrial needs. These Stainless Steel 431 Round Bars/Rods are Highly valued. For their superior Strength, Excellent Corrosion Resistance and Good Wear Resistance. Increasing them for applications in the industries of Aerospace, Automotive and Manufacturing. Formed from martensitic stainless steel, these bars provide excellent hardness and durability, thus ensuring lasting performance in aggressive environments.
Stainless Steel 431 Round Bars/Rods are martensitic stainless steel alloys with good strength, toughness, and resistance to corrosion. This material is well suited for use in applications requiring strength combined with moderate resistance to corrosion. This includes applications within the aerospace and automotive industries. The alloy will contain 16-18% chromium, 3-4% nickel, and 0.15% carbon. Even at high temperatures, it also features good resistance to oxidation and scaling. Stainless Steel 431 Round Bars/Rods are essentially used for manufacturing shafts, valves, and other high-stress components, hence essential material for demanding environments.
Stainless Steel Round 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 |
|
Grade |
Density (kg/m3) |
Elastic Modulus (GPa) |
Mean Coefficient of Thermal Expansion (μm/m/°C) |
Thermal Conductivity (W/m.K) |
Specific Heat 0-100°C (J/kg.K) |
Electrical Resistivity (nΩ.m) |
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|
0-100°C |
0-315°C |
0-538°C |
at 100°C |
at 500°C |
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|
431 |
7800 |
200 |
10.2 |
12.1 |
– |
20.2 |
– |
460 |
720 |
Yes, Stainless Steel 431 Round Bars/Rods can be used at high temperatures, offering good oxidation and scaling resistance up to 600°F (316°C), making them suitable for moderate temperature applications.
Yes, Stainless Steel 431 Round Bars/Rods are fully recyclable. Being a type of stainless steel, they can be melted down and repurposed without losing their inherent properties, contributing to sustainability.
Yes, Stainless Steel 431 Round Bars/Rods can be welded, although preheating and post-weld heat treatment are recommended to prevent cracking and maintain the material's mechanical properties.
Stainless Steel 431 Round Bars/Rods are commonly used in various industries due to their excellent Strength, Hardness and Corrosion Resistance. They are commonly utilized in the Aerospace, Automotive and Manufacturing industries. For producing components such as Shafts, Gears, Valve parts and Fasteners. These bars/rods also find application in marine environments. Where corrosion resistance is critical. Their durability and tolerance to heavy-duty applications make them suitable for chemical and food processing industries too. Besides, Stainless Steel 431 is often used in highly stressed applications such as turbine blades and high-pressure pumps. Thus, it finds to be very crucial to different industries requiring heavy performance.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Semih Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Istanbul, Turkey
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