Adinox Overseas is a renowned manufacturer and global supplier of high-performance 15-5 PH Fasteners, engineered with precision to meet the demanding specifications of modern industries. These fasteners are made from a precipitation-hardening martensitic stainless steel alloy that belongs to the 15-5 PH grade family, designated as UNS S15500 and conforming to ASTM A564 Grade 630 and its equivalent standards. Our fasteners deliver outstanding mechanical properties, including superior tensile strength, hardness, and excellent corrosion resistance in both high-pressure and harsh environmental conditions.

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At Adinox Overseas, our 15-5 PH Fasteners are fabricated to stringent quality controls and global standards, making them ideal for critical structural applications. These fasteners are widely used across aerospace, petrochemical, nuclear, marine, and power generation sectors due to their ability to maintain strength at elevated temperatures and their excellent resistance to stress corrosion cracking. The 15-5 PH alloy is essentially a modification of 17-4 PH, offering better transverse toughness and improved ductility, which are vital in mission-critical bolted assemblies.

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Our 15-5 PH stainless steel fasteners are available in various types such as bolts, nuts, washers, screws, studs, and threaded rods, all custom-made to customer requirements. These fasteners are heat treated through a controlled precipitation hardening process, typically H900, H1025, or H1100 conditions, enhancing their mechanical performance and hardness. With a high yield strength and moderate corrosion resistance similar to 304 and 316 stainless steels, these fasteners offer a cost-effective solution for high-strength fastening needs without compromising on corrosion protection.

15‐5 PH Fasteners in India, 15‐5 PH Fasteners Manufacturers in India, 15‐5 PH Fasteners Suppliers in India, 15‐5 PH Fasteners Stockists in India, 15‐5 PH Fasteners Exporters in India

At Adinox Overseas, we believe in building strong connections—both literally and figuratively. Our team is ready to assist with customized fastener solutions, ensuring that every component delivered exceeds your performance expectations. Whether you need standard or special-grade fasteners, we deliver excellence sealed in stainless steel.

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Specifications Of 15‐5 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 15‐5 PH Fasteners

Grade	C	Mn	Si	P	S	Cr	Mo	Ni	Ti
15‐5 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 15‐5 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
15‐5 PH	650	35	300	50	270

Application Of Industries

Power Plants

Aerospace

Refineries

Construction

Oil & Gas

Sugar

Chemical

Petrochemical

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