Al Summan Metals, a premier manufacturer and supplier based in Dubai, UAE, focuses on high-quality **Stainless Steel 431 Hex Bars**. These bars are renowned for their remarkable strength, corrosion resistance, and overall durability. Precisely engineered to satisfy international standards, they deliver dependable performance even in the most demanding industrial and mechanical environments. Owing to a carefully balanced combination of chromium and nickel, 431 stainless steel offers outstanding resistance to pitting, stress corrosion, and oxidation, while still retaining high tensile strength. Al Summan Metals’ 431 Hex Bars are used across numerous applications that call for both mechanical strength and corrosion resistance, spanning automotive, aerospace, petrochemical, and general engineering sectors, ensuring they perform efficiently over the long term.
These Stainless Steel 431 Hex Bars are composed of roughly 16–18% chromium, 2–3% nickel, 0.2–0.3% carbon, together with small quantities of manganese, silicon, and molybdenum. This distinctive makeup gives them outstanding corrosion resistance and strong mechanical strength. They demonstrate a tensile strength in the range of 700–850 MPa, yield strength from 450–550 MPa, and elongation of 15–25%. The martensitic-ferritic structure adds to their exceptional hardness, toughness, and fatigue resistance, making them ideal for high-stress, wear-heavy, and corrosive industrial uses that demand precision and durability.
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 enhanced corrosion resistance and greater strength than lower-grade stainless steels such as 304, making it a better fit for demanding uses in tough environments like marine and aerospace.
SS 431 Hex Bar is frequently employed in producing high-strength fasteners, bolts, shafts, and valve components, particularly across sectors such as aerospace, marine, and chemical, where resistance to corrosion and long-lasting performance are essential.
Al Summan Metals’ Stainless Steel 431 Hex Bars are a preferred option in sectors where robustness and resistance to corrosion are of the utmost importance. They’re ideal for producing shafts, fasteners, valves, pump parts, and structural components across automotive, aerospace, petrochemical, and marine uses. On top of that, they’re employed in machinery, instrumentation, and heavy-duty equipment exposed to corrosive and high-pressure environments. The combination of mechanical strength, corrosion resistance, and durability guarantees that these hex bars provide reliable performance, an extended service life, and operational efficiency in tough 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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