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Malik Fasteners is a top-notch manufacturer and supplier based in Manama, Bahrain, specializing in high-performance Stainless Steel 17-7 PH Bolts. These bolts are designed for outstanding strength, corrosion resistance, and dimensional stability. Crafted to meet international standards, our precipitation-hardening (PH) stainless steel bolts feature precise threading, impressive mechanical properties, and a fantastic surface finish. The 17-7 PH Bolts are perfect for applications that demand high tensile strength along with resistance to corrosion, fatigue, and stress corrosion cracking. We proudly supply these bolts to industries like aerospace, chemical processing, petrochemical, and power generation, ensuring reliable and durable fastening solutions that maintain structural integrity and deliver long-lasting performance in tough industrial settings.
Stainless Steel 17-7 PH Bolts are made up of chromium (16–17%), nickel (6–7%), and iron as the main components, with small amounts of aluminum, columbium, and tantalum added for precipitation hardening. These bolts boast high tensile and yield strength, along with excellent toughness, hardness, and fatigue resistance. The PH microstructure allows for controlled precipitation strengthening, which enhances mechanical stability and resistance to stress corrosion cracking. The 17-7 PH Bolts also maintain dimensional accuracy, ductility, and corrosion resistance in both oxidizing and mildly reducing environments, making them a great choice for critical high-performance applications in aerospace, chemical, and industrial sectors.
| 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 |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Stainless Steel 17-7 PH Bolts find their place in a variety of applications that require a blend of high strength, corrosion resistance, and fatigue resistance. They are particularly well-suited for aerospace components, chemical processing equipment, petrochemical plants, power generation systems, and high-performance machinery.
Stainless steel 17-7 PH bolts go through rigorous quality control to ensure outstanding performance. These tests include hardness testing, chemical analysis through Spectro analysis, material quality certification through PMI testing, tensile strength testing, impact testing and fatigue resistance testing in addition to evaluating the corrosion resistance of each bolt. This thorough inspection assures that our 17-7 PH bolts meet the highest industry standards for strength, durability and reliability, ensuring exceptional efficiency in demanding applications.
Malik Fasteners is a leading manufacturer and supplier of high-quality fasteners in Manama, Bahrain, with over 8 years of experience serving global industries.
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