Al Summan Metals, a well-regarded manufacturer and supplier based in Dubai, UAE, takes pride in supplying premium **Stainless Steel 431 Flat Bars**. These bars are renowned for their exceptional strength, corrosion resistance, and lasting durability. Precision-engineered to meet international standards, they provide reliable performance across a range of demanding industrial, mechanical, and structural applications. Thanks to a balanced combination of chromium and nickel, Stainless Steel 431 offers excellent defense against pitting, stress corrosion, and oxidation, while retaining impressive tensile strength. Al Summan Metals’ 431 Flat Bars are ideal for automotive, aerospace, petrochemical, and general engineering sectors, ensuring they endure over time, boost operational efficiency, and preserve structural integrity.
These Stainless Steel 431 Flat Bars are composed of roughly 16–18% chromium, 2–3% nickel, and 0.2–0.3% carbon, together with small quantities of manganese, silicon, and molybdenum. This particular composition gives them outstanding corrosion resistance, high mechanical strength, and notable hardness. They feature a tensile strength in the range of 700–850 MPa, yield strength of 450–550 MPa, and elongation of 15–25%. Owing to their martensitic-ferritic structure, these bars deliver remarkable toughness, fatigue resistance, and dimensional stability, which makes them a great fit for high-stress, wear-intensive, and corrosive industrial environments.
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 provides solid corrosion resistance, especially in mild to moderate settings, thanks to its high chromium content. The martensitic structure boosts strength while preserving resistance to atmospheric conditions, organic materials, and mild acids, which makes it well suited for marine and industrial uses. Proper maintenance ensures longevity.
Stainless Steel 431 Flat Bar generally comes in thicknesses between 3mm and 100mm, varying by the manufacturer and intended use. Custom dimensions can frequently be arranged to satisfy particular needs in sectors like marine, aerospace, and engineering.
Stainless Steel 431 Flat Bar sees extensive use across industries including aerospace, marine, automotive, and chemical processing. Thanks to its excellent strength, toughness, and resistance to corrosion, it is well suited for producing shafts, bolts, valves, fasteners, and other essential components.
Al Summan Metals’ Stainless Steel 431 Flat Bars are widely used across industries that require a combination of strength and resistance to corrosion. They work well for producing shafts, fasteners, valve components, pump parts, and structural elements in the automotive, aerospace, petrochemical, and marine sectors. In addition, they serve in machinery, instrumentation, and equipment exposed to corrosive and high-pressure conditions. The combination of mechanical strength, corrosion resistance, and durability means these flat bars provide a long service life, dependable performance, and operational efficiency even in the toughest industrial and engineering settings.
We supply products accompanied by both mill test certificates and third-party test certificates, guaranteeing the highest standards of quality and compliance.
Al Summan Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Dubai, UAE
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