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Pengkumta Fasteners, a top-notch manufacturer and supplier based in Bangkok, Thailand, has built a solid reputation for providing high-performance Stainless Steel 317/317L Stud Bolts that adhere to global quality standards. These stud bolts are crafted to offer exceptional corrosion resistance, strength, and durability, making them perfect for use in harsh and corrosive environments. With a focus on precision and rigorous quality control, Pengkumta Fasteners guarantees long-lasting and dependable fastening solutions. Thanks to their state-of-the-art facilities, prompt delivery, and a customer-first mindset, the company has become a trusted name for Stainless Steel 317/317L Stud Bolts in both local and international markets.
The composition of Stainless Steel 317/317L Stud Bolts includes iron, 18–20% chromium, 11–15% nickel, and 3–4% molybdenum, with the 317L grade featuring lower carbon content. The increased molybdenum content offers outstanding resistance to pitting, crevice corrosion, and chemical attacks. The reduced carbon in 317L enhances weldability and minimizes carbide precipitation. These stud bolts boast a tensile strength of approximately 515 MPa and a yield strength of around 205 MPa, providing excellent toughness, durability, and mechanical stability in corrosive and high-stress settings.
| 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 Stud bolt
|
IS
BS
ASTM
|
ASTM / ASME – A/ SA 193 |
3 mm
to
200 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 Stud Bolts find extensive use in industries that demand superior corrosion resistance and reliable fastening solutions. In chemical and petrochemical plants, they are utilized in equipment that comes into contact with acids, chlorides, and aggressive chemicals. The marine and offshore industries depend on them for structures exposed to seawater and saline conditions. The food processing and pharmaceutical sectors favor them for their hygienic and non-reactive properties. Additionally, they are employed in construction, heat exchangers, pulp and paper industries, and power generation systems, ensuring strength, durability, and long-lasting performance in challenging applications.
Our Stainless Steel 317/317L Stud Bolts are delivered with a comprehensive documentation package to meet client expectations. This includes commercial invoices, packaging lists, fumigation certificates, heat treatment charts, quality assurance plans, and approved lab test reports. Additionally, they come with various test certificates, such as MTC per EN 10204/3.1b, PMI Test Certificates, 100% radiography reports, and Third-Party Inspection Certificates. Our commitment to thorough documentation and rigorous testing ensures 100% client satisfaction with our products.
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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