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Pengkumta Fasteners, a reputable manufacturer and supplier located in Bangkok, Thailand, is dedicated to crafting top-notch Stainless Steel 317/317L Bolts for various industrial uses around the globe. These bolts are made with meticulous attention to detail, ensuring they offer outstanding strength, durability, and resistance to corrosion, even in harsh conditions. The Stainless Steel 317/317L Bolts are especially prized for their capability to endure chemical exposure, oxidation, and high temperatures. Pengkumta maintains rigorous quality control and complies with international standards, providing bolts that deliver reliable fastening solutions for industries that demand long-lasting performance and dependability.
These bolts are made from a blend of high levels of chromium, nickel, and molybdenum, which significantly boosts their resistance to pitting, crevice corrosion, and chemical damage. The 317L version features a low carbon content, which minimizes the risk of carbide precipitation during welding, enhancing both weldability and toughness. On a mechanical level, these bolts exhibit excellent tensile strength, durability, and resistance to creep and stress corrosion cracking. Their well-balanced composition guarantees consistent performance in both corrosive and high-temperature environments.
| 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 are renowned for their excellent corrosion resistance, particularly in acidic environments. They are commonly used in chemical processing, marine applications, and pharmaceuticals due to their resistance to pitting and crevice corrosion. Their high tensile strength and resistance to heat also make them suitable for use in high-temperature environments, such as in oil and gas industries and power generation. These bolts are ideal for applications requiring durability and reliability in harsh conditions.
Stainless Steel 317/317L Bolts find extensive application across various sectors, including chemical processing, petrochemicals, pulp and paper, marine, and power generation. They are particularly suited for equipment that comes into contact with acids, chlorides, and other corrosive substances, such as heat exchangers, pressure vessels, flue gas scrubbers, and marine hardware. Thanks to their exceptional corrosion resistance and mechanical properties, these bolts are a reliable choice for fastening applications in both onshore and offshore settings. With their impressive strength, versatility, and durability, they are the go-to option for critical industrial operations.
Pengkumta Fasteners is a leading manufacturer and supplier of high-quality fasteners in Bangkok, Thailand, with over 8 years of experience serving global industries.
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