Starc Metals, based in Canberra, Australia, has built a solid reputation as a reliable manufacturer and supplier of top-notch specialty metals, including Stainless Steel 431 hex bars. Known for their precision, durability, and consistent performance, Starc Metals ensures that their products meet the highest industrial standards. Their Stainless Steel 431 hex bars are designed to offer outstanding mechanical strength, excellent corrosion resistance, and impressive wear performance. Catering to sectors like automotive, aerospace, and engineering, Starc Metals delivers robust, high-performance solutions that guarantee reliability and longevity. Clients trust Starc Metals for hex bars that blend superior quality, precise manufacturing, and dependable performance in even the most demanding industrial settings.
Stainless Steel 431 is a martensitic stainless steel that contains about 15–17% chromium, 1–2% nickel, along with trace amounts of carbon, manganese, and silicon to boost strength and hardness. In terms of mechanics, it boasts excellent tensile and yield strength, high hardness after heat treatment, and good fatigue and wear resistance. This alloy strikes a balance between corrosion resistance and exceptional mechanical properties, making it ideal for components that face mechanical stress and moderately corrosive environments. Its toughness and durability ensure it remains reliable over the long haul in challenging engineering applications.
Dimensions : ASTM, ASME
Standard : ASTM / ASME SA A276, A479, ASTM A493
Length : Random, Fix & Cut Length
Size : 20MM to 150MM
| ement | C | Cr | Mn | Ni | P | S | Si |
| SS 431 | 0.20 | 17.00-15.00 | 1.00 | 2.50-1.25 | 0.040- | 0.030 | 1.00 |
| Element | Density | Electrical Resistivity | Modulus of Elasticity |
| SS 431 | 0.2800 lb/inch³ | 70° Ohms (circ mil./ft.) | 29.0 X 10^3 |
| HEXAGONS | ||
|---|---|---|
| Size(mm) | WT PER FEET IN KGS | WT PER MTR IN KGS |
| 16 | 0.55 | 1.79 |
| 18 | 0.69 | 2.27 |
| 20 | 0.85 | 2.80 |
| 22 | 1.03 | 3.39 |
| 25 | 1.33 | 4.38 |
| 28 | 1.67 | 5.49 |
| 30 | 1.92 | 6.30 |
| 32 | 2.19 | 7.17 |
| 36 | 2.77 | 9.07 |
| 38 | 3.08 | 10.11 |
| 40 | 3.41 | 11.20 |
| 45 | 4.32 | 14.18 |
| 50 | 5.34 | 17.50 |
| 56 | – | – |
| 60 | – | – |
| 65 | – | – |
| 70 | – | – |
| 75 | – | – |
| 80 | – | – |
| 90 | – | – |
| 100 | – | – |
SS 431 Hex Bar offers excellent corrosion resistance, high tensile strength, and durability, making it ideal for harsh environments like marine and aerospace industries, where parts are exposed to extreme conditions.
SS 431 Hex Bar provides superior corrosion resistance and higher strength compared to lower-grade stainless steels like 304, making it more suitable for demanding applications in harsh environments like marine and aerospace.
SS 431 Hex Bar is commonly used to manufacture high-strength fasteners, bolts, shafts, and valve components, especially in industries like aerospace, marine, and chemical, where corrosion resistance and durability are critical.
Stainless Steel 431 hex bars find extensive use in automotive, aerospace, and industrial engineering fields. They are perfect for crafting shafts, fasteners, spindles, and precision-engineered components that demand high strength, hardness, and corrosion resistance. These hex bars are also utilized in valves, pumps, and marine equipment, where durability under mechanical stress and moderate corrosion is essential. With their impressive combination of strength, wear resistance, and dimensional stability, Stainless Steel 431 hex bars are a go-to choice for engineers looking for reliable, long-lasting, and high-performance components suitable for both structural and precision applications.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Starc Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Canberra, Australia
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