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Pengkumta Fasteners makes Stainless Steel 405 Bolts in Bangkok, Thailand, designed for thermally cycled and oxidizing environments. These bolts are crafted from ferritic stainless steel, providing excellent scaling resistance and improved weldability. Stainless Steel 405 is used where corrosion demands are moderate but thermal and structural stability are vital.
Stainless Steel 405 has 11.5–14.5% chromium and aluminum for improved oxidation resistance. It contains low carbon and cannot be hardened by heat treatment, maintaining tensile strength around 450–550 MPa and yield strength up to 275 MPa. It is magnetic and shows good ductility and formability. Weldability is excellent, with minimal risk of hardening or cracking during fabrication. Its mechanical and thermal properties make it suitable for fasteners in high-temperature environments with low corrosive exposure.
Material | Specification | Standards | Size | Length |
Stainless Steel 405 Bolts | ASTM, ASME and API | ASTM B 193 / ASME SB 193 | M02 to M30 | 3 mm To 200 mm |
| Element | SS 405 |
| 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 405 |
| 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 | – |
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 405 bolts are used in high-temperature and high-stress applications where strength and corrosion resistance are crucial. They are ideal for automotive components such as exhaust systems and engine parts, as well as in structural and machinery applications exposed to oxidation and wear. Their durability makes them suitable for use in industries where performance under elevated temperatures and moderate corrosive conditions is essential. These bolts are also employed in construction and equipment where reliability and toughness are required.
Stainless Steel 405 Bolts are used in exhaust manifolds, turbine components, furnace parts, and other assemblies that need high heat resistance and structural stability. Their resistance to thermal fatigue makes them ideal for environments with repeated heating and cooling. They are common in industrial ovens, heat exchangers, and petrochemical equipment. While not suitable for high corrosion, they provide cost-effective performance in conditions with minimal moisture or chemical exposure. Their better weldability makes them a preferred choice for fabricated structures needing secure bolting under thermal loads.
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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