Hardness testing to ISO 6508-1
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Stainless Steel 17-4 PH Stud Bolts are a type of high-strength, corrosion-resistant fasteners commonly used in various industries. They are made from a specific grade of stainless steel known as 17-4 PH (Precipitation Hardening) which exhibits superior mechanical properties and excellent corrosion resistance.
Features of Stainless Steel 17-4 PH Stud Bolts
One of the key features of Stainless Steel 17-4 PH Stud Bolts is their high strength, which makes them suitable for use in applications that require strong and durable stud bolts. They also have excellent corrosion resistance, making them ideal for use in environments where they may be exposed to harsh chemicals or extreme weather conditions. Additionally, 17-4 PH Stud Bolts have good weldability and can be easily machined to meet specific requirements.
Applications of Stainless Steel 17-4 PH Stud Bolts
Stainless Steel 17-4 PH Stud Bolts are widely used in industries such as aerospace, marine, oil and gas, and chemical processing. They are commonly used in structural and load-bearing applications, such as in aircraft engines, offshore platforms, and chemical reactors. These fasteners are also frequently used in high-temperature environments where they can withstand extreme heat without losing their mechanical properties.
Heat Treatment of Stainless Steel 17-4 PH Stud Bolts
Stainless Steel 17-4 PH Stud Bolts undergo a special heat treatment process called precipitation hardening, which gives them their high strength and corrosion resistance. This involves heating the fasteners to a specific temperature and then cooling them rapidly. The resulting microstructure of the steel is then transformed into martensite, which is a harder and stronger form of stainless steel.
Specifications | ASTM F2281, B564 / ASME SF2281, SB564 |
Diameter | 1/4"-3" Matric:M3 to M72 in length 3000mm |
Dimensions | DIN 975/976, ASME B18.2.1, B18.31.3, B16.5 |
DIN Standard | B.S. DIN 931, DIN 933, DIN 912, DIN 934, DIN 6923, DIN 603, DIN 7981, DIN 970, DIN916, DIN 7982, DIN 7985, DIN 913 |
UTS | NPT, UNS, UNF, UNC, UNEF, NPTF |
ISO | ISO 4033, ISO 4032, ISO 7380, ISO 4017, JIS standards |
Threads | ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads |
Type | Cold Forged, Hot Forged, Bar Stock Machined, Bar Stock Milling |
Machining Stainless Steel 17-4 PH Stud Bolts
Due to their high strength, Stainless Steel 17-4 PH Stud Bolts can be difficult to machine. However, with the right tools and techniques, they can still be machined to meet specific requirements. It is important to use low cutting speeds and a generous amount of lubricant when machining these fasteners to prevent work hardening, which can make them even more difficult to machine.
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STANDARD | WERKSTOFF NR. | UNS |
SS 17-4 PH | 1.4542 | S17400 |
Grade | C | P | Si | Ni | Cu | Fe | Mn | S | Cr |
SS 17-4 PH | 0.07 max | 0.04 max | 1.0 max | 3.0 - 5.0 max | 3.0 - 5.0 max | Bal | 1.0 max | 0.03 | 15.0 - 17.5 |
Ultimate Tensile Strength Ksi (MPa) | 0.2% Tensile Yield Strength Ksi (MPa) | Elongation % in 2" (50mm) | Hardness Rockwell |
160 (1103) | 145 (1000) | 5.0 | C35 |
Hardness testing to ISO 6508-1
Nut proof load testing to ISO 898-2
Suitability for preloading to EN 14399-2
Calibrated gauges and tools
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