Emilio Stainless, located in Manila, Philippines, has earned a solid reputation as a reliable manufacturer and supplier of top-notch Stainless Steel 17-4 PH Fasteners. The company prides itself on precision engineering, rigorous quality control, and adherence to international standards. These SS 17-4 PH Fasteners are crafted from precipitation-hardening stainless steel, designed to offer outstanding strength, hardness, and resistance to corrosion. Perfect for tough industrial, aerospace, and chemical applications, they maintain their shape even under high stress and extreme temperatures. With cutting-edge production technology and a commitment to customer satisfaction, Emilio Stainless guarantees that each fastener delivers dependable, long-lasting performance and exceptional quality for clients both in the Philippines and around the world.
Stainless Steel 17-4 PH Fasteners are mainly made up of iron, containing 15–17.5% chromium, 3–5% nickel, 3–5% copper, and 0.07–0.15% carbon, along with small amounts of manganese, silicon, and niobium. This type of precipitation-hardening stainless steel boasts impressive tensile strength ranging from 1,100 to 1,300 MPa, a yield strength of 1,000 MPa, and remarkable hardness (up to 44 HRC) after heat treatment. These fasteners also offer good corrosion resistance, toughness, and dimensional stability, making them ideal for high-stress, high-temperature, and moderately corrosive industrial settings.
| Specifications | ASTM A 193 / ASME SA 193 |
| Standard | DIN, ISO ,JIS ,GB, IS, BS, ASTM and all International Standards |
| Size | M3 – M100 | 3/6″ – 4″ | Custom Sizes |
| Fasteners Length | 3 mm – 200 mm | Custom Sizes |
| Nuts Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Washers Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3 |
| Threads available | UNF, BSW, BSF, METRIC, UNC, or as required |
| Threads Configuration | ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads |
| Form | Hex, Threading, Square, Round as per Gauge Etc. |
| Head | Hex, Square, Round, Hex flange, Flat, T-head & Triangular etc. |
| Neck type | Hex, Square, Triangular, Oval & Knurled etc. |
| Surface Coating | Black Oxide, Cadmium, Galvanized, Teflon, Xylan, Zinc, Others Upon Request |
| Manufacturing Process | Wire Drawing, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing. |
| Grade | C | Cb+Ta | Cr | Cu | Fe | Mn | Ni | P | S | Si |
| SS 17-4 PH | 0.07 max | 0.15-0.45 | 15.00-17.50 | 3.00-5.00 | Bal | 1.0 max | 3.0-5.0 | 0.40 max | 0.03 max | 1.0 max |
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Stainless Steel 17-4 PH Nuts Known for excellent corrosion resistance, Stainless Steel 17-4 PH nuts are typically used in aerospace and industrial applications. They come in various sizes. Usually, the dimensions are M2 to M36 and conform to standard nut sizes.
17-4 PH stud bolts are ideal for high-stress environments and offer high corrosion resistance. Depending on application requirements, they are available in sizes ranging from M4 to M30, with lengths varying from 20mm to 1000mm.
These bolts provide strong corrosion resistance and are commonly used in structural applications. Available in sizes from M5 to M36, with standard lengths ranging from 10mm to 200mm, they meet various industrial and military standards.
Stainless Steel 17-4 PH threaded rods Known for excellent corrosion resistance, 17-4 PH threaded rods are used in high-strength applications. They are available in diameters from M6 to M36 and lengths from 100mm to 3000mm, suitable for various structural needs.
Offering high corrosion resistance, 17-4 PH screws are suitable for harsh environments. They come in sizes from M2 to M16, with lengths from 6mm to 100mm, meeting diverse application standards.
These washers are highly corrosion-resistant, making them ideal for marine and aerospace applications. Available in diameters from M3 to M36, they come in various thicknesses to fit different bolt sizes.
Stainless Steel 17-4 PH Fasteners are rigorously tested by us for their quality and reliability. The tests involve verification of the material composition, mechanical property checks, and assessments of the dimensions. Also third-party inspections can be offered for extra assurance when needed. With a strong focus on quality and efficiency we ensure swift delivery of our fasteners according to different industry requirements keeping the highest standards of performance and customer satisfaction.
Stainless Steel 17-4 PH Fasteners find extensive use in industries that demand high strength, hardness, and corrosion resistance. They are particularly well-suited for aerospace components, petrochemical and chemical processing equipment, power generation, and marine applications. These fasteners excel in high-stress environments, such as valves, pumps, shafts, and structural assemblies. Their outstanding mechanical properties and ability to maintain hardness after heat treatment make them a go-to choice for critical applications that require reliability and durability.
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