Al Summan Metals ranks among the leading stainless steel producers, offering graded steel across every quality tier found in the market. This company’s products reach countries and cities of both local and international importance. One of the standout choices on offer is the SS 431 Hollow Bar. They are available in a range of sizes and shapes, tailored to meet specific needs. The key benefit of Al Summan Metals lies in the remarkable density and strength-to-weight ratio of their products. SS 431 grade carries a density of 8 grams per cubic centimeter, considerably greater than other stainless steel grades on the market. This elevated density guarantees superior quality and strength along with abrasion resistance in stainless steel.
Al Summan Metals depends significantly on an inspection team to maintain the highest quality standard.
SS 431 Hollow Baris a martensitic stainless steel offering both durability and corrosion resistance. Its composition holds close to 16-18% chromium, 1.25-1.50% molybdenum, and 0.15-0.25% carbon, delivering very high tensile strength along with resistance Machine with SS 431 580-750 MPa tensile strength, 415 MPa It is hard up to 50- 55 HRC including yield strength, 12-15% elongation, As a result it offers good hardness and tends to be well suited for high-stress applications. SS 431 provides good resistance to oxidation; for this reason it is an excellent choice for industrial application.
Dimensions: ASTM, ASME
Standard: ASTM / ASME SA A582, A276, A564, ASTM A484, 484M
Surface: hrap, hot rolled pickled or sand blast finished, cold drawn, polished, hairline
Range: Range – 3.17mm to 350mm dia
| 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 |
| Hollow 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,SS 431 is readily weldable when suitable methods like TIG or MIG welding are used. That said, preheating and post-weld heat treatment might be necessary to lower the chance of cracking and to secure the best strength and corrosion resistance.
SS 431 Hollow Bar is widely applied across industries including aerospace, automotive, marine, and chemical processing. It serves in producing components such as shafts, valves, pumps, and fittings, where strong strength, resistance to corrosion, and durability are critical.
Typical dimensions for SS 431 Hollow Bar generally span 25 mm to 500 mm in outer diameter, with wall thicknesses ranging from 3 mm to 50 mm. Custom sizes might also be obtainable depending on particular needs or suppliers.
Manufactured from martensitic stainless steel, SS 431 hollow Bar are widely used in applications demanding high strength, corrosion resistance and machinability They are frequently employed in producing hydraulic cylinders, shafts and tooling components. The hollow design enables weight savings while retaining strength, making them well suited for automotive, aircraft and construction projects. Furthermore, hollow rods of SS 431 serve various pharmaceutical, marine environmental applications, etc., since it delivers superior corrosion resistance together with wear resistance for extreme conditions.






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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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