At Adinox Overseas, we are committed to delivering top-tier fastening solutions, and our 17-4 PH Fasteners are a testament to that dedication. Manufactured from a precipitation-hardened martensitic stainless steel, these fasteners offer a unique combination of high strength, hardness, and excellent corrosion resistance. Also known by their universal standard designation UNS S17400 and ASTM A564 Grade 630, 17-4 PH fasteners are widely used in demanding sectors such as aerospace, marine, petrochemical, and food processing industries due to their exceptional mechanical properties and performance in harsh environments.

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These 17-4 PH Stainless Steel Fasteners possess an outstanding tensile strength, making them ideal for high-stress applications. The alloy’s ability to be heat-treated to various hardness levels, while maintaining dimensional stability, sets it apart from conventional stainless grades. These characteristics make them particularly valuable in environments where both strength and corrosion resistance are non-negotiable. From bolts, nuts, washers to studs and screws, Adinox Overseas manufactures and supplies a full range of 17-4 PH Fasteners tailored to customer specifications and international standards.

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Adinox Overseas is renowned for its commitment to quality and timely delivery. We stock and export 17-4 PH Fasteners in a variety of sizes, dimensions, and finishes, all compliant with global standards such as ASTM, ASME, DIN, and ISO. Our products undergo rigorous testing, including ultrasonic, hardness, tensile, and intergranular corrosion testing to guarantee reliability and durability in the most critical applications. Whether it's a chemical processing plant or a turbine component in an aircraft, our fasteners are trusted by industries across the globe.

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For industries that demand resilience, performance, and longevity, 17-4 PH Stainless Steel Fasteners from Adinox Overseas are the trusted choice. We not only supply fasteners but offer complete fastening solutions engineered for excellence.

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Specifications Of 17‐4 PH Fasteners

Specification	ASTM F593, F594, F1554 / ASME SF593, F594, F1554
Standard	DIN, ASTM, BS and all International Standards
Bolt / Screw Size	M3 - M56 \| 3/6" to 2" \| Custom Sizes
Nuts Size	M3 - M56 \| 3/6" to 2" \| Custom Sizes
Washers Size	M3 - M56 \| 3/6" to 2" \| Custom Sizes
Machine Screws Size	M1.6 - M12
Self Tapping Screw Size	No.2 - No. 14
Length	3 mm to 200 mm
Types	Nuts, Bolts, Screws, Stud Bolts, Hex Set Screw, Socket Screw, Cap Screw, Pan Head Screw, Machine Screw, Socket Head Cap Screw, Allen Cap Screw, Wing Screw, Washers, Spring Washers, Studs, Anchors, Marine Anchors, Nut, Hexagon Nut, Hex Nut, Hex Coupling Nut, Hex Domed Cap Nuts, Square Nut, Stud Bolts, Hex Head Bolts, Socket Hexagon Head Screw, Anchor Bolt, U-Bolts, J Bolts, Mushroom Head Square Neck Bolts, T-Head Bolts, Wing Screw, Eye Bolt, Foundation Bolts, Structural Bolts

Chemical Composition for 17‐4 PH Fasteners

Grade	C	Mn	Si	P	S	Cr	Mo	Ni	Ti
17‐4 PH	0.2 max	1.5 max	0.75 max	0.040	0.030 max	18.00 – 22.00	-	0.50 max	–

Mechanical Properties Of 17‐4 PH Fasteners

Grade	Tensile Strength (MPa) min	Elongation (% in 50mm) min	Yield Strength 0.2% Proof (MPa) min	Hardness
Grade	Tensile Strength (MPa) min	Elongation (% in 50mm) min	Yield Strength 0.2% Proof (MPa) min	Rockwell B (HR B) max	Brinell (HB) max
17‐4 PH	650	35	300	50	270

Application Of Industries

Power Plants

Aerospace

Refineries

Construction

Oil & Gas

Sugar

Chemical

Petrochemical

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