Harsh Metalloys, a well-known manufacturer and supplier located in Mumbai, India, provides an extensive selection of high-quality Stainless Steel 317 Bolts designed for exceptional corrosion resistance and long-lasting durability. These bolts are perfect for use in harsh chemical environments, thanks to their high molybdenum content, which boosts their resistance to pitting and crevice corrosion. Built to comply with international standards like ASTM A193, SS 317 bolts come in various forms, including hex bolts, heavy hex bolts, and U-bolts. They are widely utilized in sectors such as chemical processing, marine, pulp and paper, and pharmaceuticals, ensuring secure and dependable fastening performance.
Stainless Steel 317 Bolts consist of roughly 18–20% Chromium, 11–15% Nickel, and 3–4% Molybdenum. This unique chemical makeup grants them remarkable resistance to chlorides and acidic substances. These bolts showcase a tensile strength ranging from 515 to 750 MPa and a yield strength of about 205 MPa. SS 317 maintains its mechanical properties even at elevated temperatures up to 870°C (1600°F) and is non-magnetic when in the annealed state. With excellent workability, weldability, and strength, these bolts are perfect for demanding structural applications where both mechanical perfomance and corrosion resistance are essential.
Material | Specification | Standards | Size | Length |
Stainless Steel 317 Bolts | ASTM, ASME and API | ASTM B 193 / ASME SB 193 | M02 to M30 | 3 mm To 200 mm |
| Element | SS 317 |
| Tensile Strength (MPa) min | 480 |
| Yield Strength 0.2% Proof (MPa) min | 275 |
| Elongation (% in 50mm) min | 16 |
| Rockwell B (HR B) max Hardness | 95 |
| Brinell (HB) max Hardness | 201 |
| Element | SS 317 |
| Ni | 0.75 |
| C | 0.15 |
| Mn | 1.00 max |
| P | 0.04 max |
| S | 0.03 max |
| Si | 1.00 max |
| Cr | 11.5 – 13.5 |
| Mo | – |
| N | – |
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317 bolts are known for their outstanding resistance to corrosion and pitting, making them perfect for securing components in environments like chemical processing, marine settings, and high-temperature industrial applications.
These custom 317 hex bolts are crafted with precision for specific uses, delivering impressive strength and resistance to corrosion, especially in tough chemical and marine conditions.
The 317 leg bolts offer a fantastic combination of high corrosion resistance and robust anchoring capabilities, making them suitable for structural applications in environments that are both corrosive and high in moisture.
When it comes to anchoring securely in concrete and masonry, 317 expansion anchor bolts shine, providing exceptional durability in harsh environments like chemical plants and coastal structures.
The 317 hex flange head bolts are designed to distribute loads widely while also offering excellent corrosion resistance, making them ideal for high-vibration applications in both chemical and mechanical systems.
With 317 fully threaded bolts, you can count on strong, uniform engagement and corrosion resistance, making them perfect for assembly in chemical plants, offshore structures, and high-stress situations.
Stainless Steel 317 Bolts are widely used in industries where components are exposed to aggressive and corrosive environments. Common applications include chemical and petrochemical plants, marine hardware, pulp and paper processing, flue gas scrubbers, heat exchangers, and pressure vessels. Their superior resistance to sulfides, chlorides, and acidic media makes them reliable in coastal, offshore, and chemical plant environments. SS 317 bolts provide stable fastening in both low and high temperature conditions, ensuring long-term durability. Their high molybdenum content enhances resistance to localized corrosion, making them a preferred choice for engineers seeking reliability and extended service life in harsh settings.
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