Dhruv Metals, based in Hyderabad, India, stands out as a top manufacturer and supplier of premium Stainless Steel 431 Flat Bars, designed to meet a wide range of industrial needs with precision and dependability. Renowned for its heat-treatable martensitic stainless steels, Dhruv Metals delivers 431 Flat Bars that boast impressive strength, toughness, and resistance to corrosion. These bars are crafted using cutting-edge processes and rigorous quality controls to guarantee durability and performance, even in tough environments. Catering to industries like aerospace, automotive, defense, and oil & gas, Dhruv Metals provides tailored solutions to satisfy the requirements of both local and global markets.
The composition of Stainless Steel 431 Flat Bars includes 15–17% chromium, 1.25–2.5% nickel, with a maximum of 0.20% carbon, and the remainder being iron. This martensitic alloy strikes a great balance between strength, hardness, and moderate corrosion resistance. Its mechanical properties feature a tensile strength of around 750–1000 MPa, yield strength of about 450–700 MPa, and an elongation of roughly 15–20%. When properly heat-treated, it also delivers good impact toughness. Stainless Steel 431 is highly resistant to fatigue and stress corrosion, making it an excellent choice for applications that involve wear and mechanical stress.
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 |
| Flat Bar | ||
|---|---|---|
| Size(mm) | WT PER FEET IN KGS | WT PER MTR IN KGS |
| 16 | 0.49 | 1.60 |
| 18 | 0.62 | 2.02 |
| 20 | 0.76 | 2.49 |
| 22 | 0.92 | 3.02 |
| 25 | 1.19 | 3.90 |
| 28 | 1.49 | 4.89 |
| 28 | 1.49 | 4.89 |
| 30 | 1.71 | 5.61 |
| 32 | 1.95 | 6.38 |
| 36 | 2.46 | 8.08 |
| 38 | 2.74 | 9.00 |
| 40 | 3.04 | 9.97 |
| 45 | 3.85 | 12.62 |
| 50 | 4.75 | 12.62 |
| 56 | 8.96 | 19.55 |
| 60 | 6.84 | 22.44 |
| 65 | 8.03 | 26.34 |
| 70 | 9.31 | 30.54 |
| 75 | 10.69 | 35.06 |
| 80 | 12.16 | 39.89 |
| 90 | 15.39 | 50.49 |
| 100 | 19 | 62.34 |
Yes, Stainless Steel 431 Flat Bar offers good corrosion resistance, particularly in mild to moderate environments, due to its high chromium content. Its martensitic structure enhances strength while maintaining resistance to atmospheric conditions, organic materials, and mild acids, making it suitable for marine and industrial applications. Proper maintenance ensures longevity.
The typical thickness of Stainless Steel 431 Flat Bar ranges from 3mm to 100mm, depending on the manufacturer and application. Custom sizes are often available to meet specific requirements in industries such as marine, aerospace, and engineering.
Stainless Steel 431 Flat Bar is widely used in industries such as aerospace, marine, automotive, and chemical processing. Its high strength, toughness, and corrosion resistance make it ideal for manufacturing shafts, bolts, valves, fasteners, and other critical components.
Stainless Steel 431 Flat Bars are commonly utilized in situations that demand high strength, moderate corrosion resistance, and outstanding toughness. These bars are perfect for creating pump shafts, valve components, fasteners, marine hardware, and parts for aircraft. Their excellent machinability and mechanical strength make them ideal for automotive and defense uses. In the oil and gas sector, 431 Flat Bars are employed in drilling equipment and tools that face corrosive conditions. They also play a vital role in turbine components, gears, and industrial blades, where both hardness and wear resistance are crucial for a long service life.






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Dhruv Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Hyderabad , India
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