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Pengkumta Fasteners is a leading provider of Stainless Steel 347 Bolts in Bangkok, Thailand, focusing on products for high-heat and corrosion-prone environments. Stainless Steel 347 is a niobium-stabilized austenitic alloy that offers resistance to intergranular corrosion and maintains strength at high temperatures.
Stainless Steel 347 has 17–20% chromium, 9–13% nickel, and columbium/tantalum for stabilization, with carbon content up to 0.08%. It offers tensile strength up to 750 MPa and excellent creep resistance.
| Specifications | : | ASTM A 193 ASME SA 193 |
| Standard | : | DIN, ASTM, BS and all International Standards |
| Length | : | 3 mm to 200 mm |
| Size | : | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Type | : | Hex Head Bolts, Square Bolts, U bolts, Eye bolts, T bolt, Hex Bolt, Lag Bolts, Counter sunk Bolts, Hex Head nuts, Square nuts, Lock nuts, Eye nuts, wing nuts, T nuts, Panel Nuts, Coupling Nuts, Dome nuts, Acorn Nuts. |
| Element | SS 347 |
| Ni | 9.0 – 13.0 |
| C | 0.08 |
| Mn | 2.0 max |
| P | 0.045 max |
| S | 0.030 max |
| Si | 0.75 max |
| Cr | 17.0 – 19.0 |
| Mo | – |
| N | – |
| Element | SS 347 |
| Tensile Strength (MPa) min | 515 |
| Yield Strength 0.2% Proof (MPa) min | 205 |
| Elongation (% in 50mm) min | 40 |
| Rockwell B (HR B) max Hardness | 92 |
| Brinell (HB) max Hardness | 201 |
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 347 bolts are widely used in applications requiring high corrosion and heat resistance. Due to its durability in extreme conditions, it is important in aerospace applications, medicine and power generation. These bolts are also used in petroleum refining and extraction areas, where they resist oxidation. In addition, stainless steel 347 bolts are suitable for heavy machinery and construction applications, providing reliable performance and durability in harsh environments and critical industrial conditions.
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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