Chanchai Stainless is a top-notch stainless steel manufacturer and supplier based in Bangkok, Thailand. We proudly offer our high-quality Stainless Steel 17-4 PH Fasteners, designed specifically for tough industrial settings. These fasteners are known for their impressive strength, toughness, and resistance to corrosion, making them a go-to choice in various industries. SS 17-4 PH is a precipitation-hardening stainless steel that gains exceptional mechanical properties through heat treatment, ensuring they perform excellently even under stress and extreme conditions. At Chanchai Stainless, we prioritize precision engineering, adhere to international quality standards, and provide cost-effective solutions, making our SS 17-4 PH Fasteners perfect for sectors like aerospace, petrochemical, marine, power generation, and construction.
Stainless Steel 17-4 PH Fasteners are made up of chromium (15–17.5%), nickel (3–5%), and copper (3–5%), with a touch of niobium to facilitate precipitation hardening. They also contain controlled amounts of carbon, manganese, silicon, and phosphorus to enhance toughness. After undergoing heat treatment, these fasteners can achieve a tensile strength of up to 1310 MPa and a yield strength of around 1170 MPa, along with remarkable hardness and fatigue resistance. Their corrosion resistance surpasses that of many standard stainless steels, and they maintain their shape even at high temperatures, making them incredibly reliable for critical fastening tasks.
| 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 their place in industries that require strength, durability, and resistance to corrosion. In aerospace, they are essential for aircraft components and structural assemblies where lightweight yet strong fastening is vital. Petrochemical and chemical plants depend on them to secure equipment that faces high pressure and corrosive substances. The marine and offshore sectors utilize them in seawater applications for long-lasting corrosion resistance. Additionally, they are employed in power generation and construction, showcasing their versatility and reliability across various demanding environments.
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