Isis Metals, a prominent manufacturer and supplier located in Manila, Philippines, specializes in high-quality Stainless Steel 431 Hollow Bars. These bars are celebrated for their remarkable blend of strength, toughness, and resistance to corrosion. Crafted with precision and in line with international quality standards, they are perfect for applications that require outstanding mechanical performance and durability. Stainless Steel 431 is a martensitic stainless steel known for its exceptional hardness and ability to withstand both chemical and marine environments. Isis Metals guarantees precise dimensions, a superb surface finish, and consistent quality, making these hollow bars ideal for engineering, marine, and industrial uses.
Stainless Steel 431 Hollow Bar is a martensitic stainless steel alloy that includes 15–17% chromium, 1.25–2.50% nickel, and 0.12–0.20% carbon, along with small amounts of manganese and silicon. This specific composition strikes a great balance between strength, toughness, and corrosion resistance. It can achieve a tensile strength ranging from 850 to 1000 MPa and maintains good ductility when properly heat-treated. SS 431 is magnetic, boasts superior hardness, and resists both oxidation and mild chemical environments. Its unique combination of high strength and corrosion resistance makes it perfect for structural and mechanical applications.
Dimensions : ASTM, ASME
Standard : ASTM / ASME SA A582, A276, A564, ASTM A484, 484M
Surface : hrap, hot rolled pickled or sand blasting 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 |
SS 431 Hollow Bar is commonly used in industries such as aerospace, automotive, marine, and chemical processing. It is utilized for manufacturing components like shafts, valves, pumps, and fittings, where high strength, corrosion resistance, and durability are essential.
Common sizes for SS 431 Hollow Bar typically range from 25 mm to 500 mm in outer diameter, with wall thicknesses varying from 3 mm to 50 mm. Custom sizes may also be available depending on specific requirements or suppliers.
Stainless Steel 431 Hollow Bars find extensive use in industries that demand high strength and moderate corrosion resistance. They are particularly well-suited for creating pump shafts, valve components, marine fittings, aircraft parts, bolts, and fasteners. Thanks to the alloy’s resistance to seawater and impressive mechanical performance, it’s a great choice for marine and aerospace applications. Additionally, SS 431 Hollow Bars are utilized in chemical processing, power generation, and the oil and gas sectors, where components face stress and corrosive conditions. Their excellent machinability, polishability, and durability make them a go-to option in these industries.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Isis Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Manila, Philippines
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