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The Fasteners Mart of Mumbai, India, is a reputed supplier of industrial fasteners that has established itself as a name to reckon with in delivering corrosion-resistant and high-performance products. Specialty among their products are Stainless Steel 317/317L Bolts, which are made from high-quality austenitic stainless steel. Available in different sizes and threading options, these bolts are suitable for use in numerous applications. Grade 317 gives better corrosion resistance by virtue of increased molybdenum content, and 317L gives low carbon for better weldability—hence these are a perfect choice for harsh industrial environments.
Stainless Steel 317/317L Bolts consist of chromium (18–20%), nickel (11–15%), molybdenum (3–4%), with low carbon in 317L to improve weldability. These bolts have a tensile strength of around 515 MPa and a yield strength of 205 MPa, along with elongation of about 35%. They have a density of around 8.0 g/cm³ and a melting range of 1370–1398°C. Their elevated molybdenum level provides resistance against pitting as well as crevice corrosion in acidic or chlorides environments while sustaining good formability and high-stress condition strength.
| Grade | C | Mn | Si | P | S | Cr | Ni | Mo | N |
| SS 317 | 0.08 max. | 2.00 max. | 1.00 max. | 0.045 max. | 0.03 max. | 18.0 – 20.0 | 11.0 – 14.0 | 3.0 – 4.0 | – |
| SS 317L | 0.03 max. | 2.00 max. | 0.75 max. | 0.045 max. | 0.03 max. | 18.0 – 20.0 | 11.0 – 15.0 | 3.0 – 4.0 | 0.1 |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 317 | 620 MPa | 275 MPa | 45% | 85 | 193 |
| 317L | 595 MPa | 260 MPa | 55% | 85 | 200 |
Material | Specification | Standards | Size | Length |
Stainless Steel 317 / 317L Bolts
| IS BS ASTM | ASTM / ASME – A/ SA 193 | 3 mm | M02 to M33 |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Stainless Steel 317/317L Bolts find broad application in corrosive and high-temperature conditions like chemical processing plants, marine, food and beverage industry, and pharmaceutical plants. They are excellent for use in tanks, piping systems, and reactors because of their excellent resistance to sulfuric and acetic acids. The lower carbon content in 317L reduces the carbide precipitation during welding, and therefore, they can be used in welded structures. Their strength, resistance to corrosion caused by chlorides, and durability make them a trustworthy option for use in offshore facilities, heat exchangers, and pollution abatement devices.
The Fasteners Mart provides speedy, guaranteed delivery of Stainless Steel 317/317L Bolts to domestic and international destinations. Every bolt is properly packaged in corrosion-resistant materials to ensure safe transit. Custom packaging, labeling, and bulk order processing are offered to ensure safe delivery and customer satisfaction every time.
The Fasteners Mart is a leading manufacturer and supplier of high-quality fasteners in Mumbai, India, with over 8 years of experience serving global industries.
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