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Poang Fasteners is a prominent manufacturer and supplier of premium Stainless Steel 317/317L Bolts. Our products are made with precision and expertise, adhering to industry standards. We take pride in delivering stainless steel bolts that offer exceptional quality and durability, ensuring they meet the rigorous demands of various applications. Committed to excellence, we ensure that every bolt is manufactured to the highest specifications, providing reliable and long-lasting performance for our valued customers.
Poang Fasteners, a reliable supplier and manufacturer in Da Nang, Vietnam, provides industrial-strength fastening solutions designed to withstand the most challenging industrial demands. Of our range of products, Stainless Steel 317/317L Bolts are uniquely produced for higher durability and resistance in corrosive atmospheres. Being stronger in terms of molybdenum than the common stainless steels, these bolts stand out in pitting, crevice corrosion, and chemical attack protection. Their tensile strength, ductility, and resistance to high temperatures make them a sure bet for demanding industries like chemical processing, marine, oil and gas, pharmaceuticals, and power generation.
| 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 |
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Stainless Steel 317/317L Bolts consist of about 18% chromium, 13% nickel, and 3–4% molybdenum, which improve their resistance to chlorides and acidic media. The reduced carbon content of the 317L grade prevents carbide precipitation on welding, providing better corrosion resistance. They have excellent yield strength and tensile strength, good ductility, and high pitting and crevice corrosion resistance. High-temperature stability and high toughness together with excellent durability make them well-suited for demanding conditions where mechanical strength and corrosion resistance are required in the same equipment.
Stainless Steel 317/317L Bolts find extensive application in industries where long-term performance in corrosive and elevated-temperature applications is of prime importance. In chemical processing facilities, they fasten equipment subjected to acids, chlorides, and hostile chemicals. In marine applications, their high pitting resistance renders them particularly suitable for seawater usage. They are also employed in the pharmaceutical industry to provide hygienic and secure fastening solutions, and in oil, gas, and power generation industries where resistance to heat and pressure is needed. Owing to their heavy-duty construction and established reliability, these bolts are the first choice for industries that need safety, stability, and corrosion resistance.
Poang Fasteners is a leading manufacturer and supplier of high-quality fasteners in Da Nang, Vietnam, with over 8 years of experience serving global industries.
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