Mbemba Stainless is a reliable manufacturer and supplier located in Kinshasa, Congo, specializing in top-notch Stainless Steel 17-7 PH Fasteners. Crafted from precipitation-hardening martensitic stainless steel, these fasteners boast an impressive mix of high strength, toughness, and resistance to corrosion. Mbemba Stainless is committed to precise manufacturing and consistent quality, always meeting international standards. Their 17-7 PH fasteners are perfect for critical industrial applications, ensuring dependable performance in sectors like aerospace, chemical, petrochemical, marine, and power generation, where long-lasting durability, mechanical integrity, and resilience against harsh environments are crucial.
Stainless Steel 17-7 PH Fasteners mainly consist of iron, chromium, nickel, and aluminum, along with trace amounts of other alloying elements. This material can be heat-treated to achieve remarkable tensile strength, typically between 1,100 and 1,300 MPa, while also offering excellent hardness and good ductility. It stands out for its superior resistance to corrosion, oxidation, and wear, making it ideal for high-stress, high-temperature, and chemically aggressive settings.
| Property | 17-7 PH |
| Density, lb/in3 | 0.282 |
| Modulus of Elasticity, psi | 29 x 106 |
| Coefficient of Thermal Expansion, 68-212˚F, /˚F | 8.5 x 10-6 |
| Thermal Conductivity, Btu/ft hr ˚F | 9.5 |
| Specific Heat, Btu/lb ˚F | 0.11 |
| Electrical Resistivity, Microohm-in | 31.5 |
| Element | 17-7PH |
| Carbon | 0.09 |
| Chromium | 16.0-18.0 |
| Nickel | 6.5-7.7 |
| Manganese | 1.00 |
| Silicon | 1.00 |
| Aluminum | 0.75-1.50 |
| Phosphorus | 0.040 |
| Sulfur | 0.030 |
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Corrosion-resistant and durable, these nuts are commonly used in aerospace and industrial applications. They typically come in sizes ranging from M2 to M48 and can be used with various bolt sizes, providing strong clamping force and resistance to wear.
These stud bolts offer excellent corrosion resistance and high strength. Available in sizes from M6 to M30, they are used for applications requiring precise alignment and robust mechanical properties. The 17-7 PH alloy ensures durability under stress and high temperatures.
Stainless Steel 17-7 PH bolts offer superior corrosion resistance and high tensile strength, making them perfect for demanding environments. Available in sizes from M4 to M36 and various lengths, they are ideal for aerospace and structural applications. Their hardness and resistance ensure reliability and durability in critical applications.
Highly resistant to corrosion, these rods are used in applications where strength and durability are crucial. Sizes range from M6 to M30 with varying lengths. They provide excellent mechanical properties and are suitable for fastening and structural support.
Offering exceptional corrosion resistance, these screws are used in high-stress environments. They are available in sizes from M2 to M20 and are suitable for precision applications. Their high strength and durability make them ideal for aerospace and mechanical assemblies.
These washers provide excellent corrosion resistance and are used to distribute loads evenly. They come in sizes from M2 to M50 and are commonly used with 17-7 PH fasteners to enhance performance in high-stress and high-temperature environments.
All orders for our Stainless Steel 17-7 PH Fasteners are accompanied by essential documentation such as a commercial invoice, packing list, fumigation certificate, heat treatment chart, quality assurance plan, and NABL-approved lab test report. These documents give authenticity and quality superiority of the fasteners and comfort to the customer regarding the use. Besides, we offer different test certificates for our Stainless Steel 17-7 PH Fasteners such as MTC as per EN 10204/3.1b, PMI Test Certificate, 100% radiography test report, and Third Party Inspection Certificate against our commitment towards the product and customer excellence.
These fasteners are widely utilized in applications that demand high strength, durability, and corrosion resistance. Common uses include bolts, nuts, screws, studs, and various fastening components in aerospace assemblies, chemical and petrochemical facilities, marine and offshore structures, power generation equipment, and industrial machinery. Their unique blend of mechanical strength, toughness, and corrosion resistance makes them a go-to choice for critical industrial fastening needs.
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