Al Summan Metals, a premier manufacturer and supplier based in Dubai, UAE, focuses on high-quality **Stainless Steel 431 Square Bars and Rods**. These products are renowned for their exceptional strength, corrosion resistance, and lasting durability. Precision-engineered to comply with international standards, they ensure dependable performance in demanding industrial, mechanical, and structural environments. The distinctive combination of chromium and nickel in Stainless Steel 431 delivers superior protection against pitting, stress corrosion, and oxidation, while retaining impressive tensile strength. Al Summan Metals’ 431 Square Bars and Rods are ideal for a wide range of applications, such as automotive, aerospace, petrochemical, and general engineering, providing long-term reliability, precision, and operational efficiency.
These Stainless Steel 431 Square Bars and Rods are made up 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 makeup gives them outstanding corrosion resistance, high mechanical strength, and reliable hardness. They feature a tensile strength in the range of 700–850 MPa, yield strength from 450–550 MPa, and an elongation of 15–25%. Thanks to their martensitic-ferritic structure, these bars and rods deliver excellent toughness, fatigue resistance, and dimensional stability, which makes them a great fit for high-stress, wear-intensive, and corrosive industrial settings.
Dimensions: ASTM, ASME
Standard: ASTM / ASME SA A582, A276, A564, ASTM A484, 484M
Surface: hrap, hot rolled pickled or sand blasted finished, cold drawn, polished, hairline
Size: Tolerance: H8, H9, H10, H11, H12, H13K9, K10, K11, K12
| Element | 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 |
| STANDARD | WERKSTOFF NR. | UNS |
| SS 431 | 1.4057 | S43100 |
| SQUARES | ||
|---|---|---|
| Size(mm) | WT PER FEET IN KGS | WT PER MTR IN KGS |
| 16 | 0.62 | 2.05 |
| 18 | 0.79 | 2.59 |
| 20 | 0.76 | 2.49 |
| 22 | 1.18 | 3.87 |
| 25 | 1.52 | 5.00 |
| 28 | 1.91 | 6.27 |
| 30 | 2.19 | 7.20 |
| 32 | 2.50 | 8.19 |
| 36 | 3.16 | 10.37 |
| 38 | 3.52 | 11.55 |
| 40 | 3.90 | 12.80 |
| 45 | 4.94 | 16.20 |
| 50 | 6.10 | 20.00 |
| 56 | 7.65 | 25.08 |
| 60 | – | – |
| 65 | – | – |
| 70 | – | – |
| 75 | – | – |
| 80 | – | – |
| 90 | – | – |
| 100 | – | – |
Yes, Stainless Steel 431 square bars are magnetic owing to their martensitic structure. They display moderate magnetism when compared to austenitic stainless steels.
Yes, we offer stainless steel 431 square bars and rods in both standard and custom sizes and finishes to suit your particular project needs. For further information, email us at sales@alsummanmetals.ae
Yes, Stainless Steel 431 square bars are recyclable once they've been used. As a ferrous alloy, they are highly recyclable and retain their properties after being recycled.
Al Summan Metals’ Stainless Steel 431 Square Bars and Rods are widely used across industries requiring strength, corrosion resistance, and durability. They are well-suited for producing shafts, fasteners, valves, pump components, and structural parts throughout the automotive, aerospace, petrochemical, and marine sectors. In addition, they serve applications in machinery, instrumentation, and high-stress equipment exposed to corrosive and high-pressure environments. Their combination of mechanical strength, corrosion resistance, and dimensional stability guarantees a long service life, reliability, and steady performance in demanding industrial and engineering applications.
We provide items supplied with 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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