Anucha Metals, a reputable manufacturer and supplier based in Bangkok, Thailand, specializes in high-quality Stainless Steel 347 Bars and Rods that meet international standards for strength and durability. With a strong background in precision engineering and a commitment to reliability, Anucha Metals ensures that its products cater to a variety of industrial needs. Stainless Steel 347, an austenitic stainless steel stabilized with niobium and tantalum, boasts impressive resistance to intergranular corrosion, even after welding and exposure to high temperatures. These bars and rods find extensive use in the petrochemical, chemical, power generation, and construction industries, where demanding applications are the norm.
The composition of Stainless Steel 347 Bars and Rods primarily includes iron, 17–19% chromium, 9–13% nickel, along with niobium and tantalum stabilizers that help prevent carbide precipitation during heat treatment or welding. They also contain trace amounts of carbon, manganese, silicon, phosphorus, and sulfur. With a tensile strength of around 515 MPa, yield strength of 205 MPa, and an elongation of 40%, Stainless Steel 347 delivers outstanding mechanical stability and toughness. Its ability to resist oxidation, scaling, and high-temperature stress makes it a superior choice compared to many conventional stainless steel grades used in similar applications.
Standard Specification : ASTM A276, ASTM A479, ASTM A182
Specification : EN, DIN, JIS, ASTM, BS, ASME, AISI
SS 347 Bright Bars : Outside Diameter in the range of 4mm to 200mm
SS 347 Round Bars : Outside Diameter in the range of 4mm to 500mm
SS 347 Flat Bars : 1 / 2” to 10” in thickness range of 1.6mm to 150mm, Custom Size Stainless Steel Flats available
SS 347 Square Bars : 3mm – 100mm
SS 347 Hex Bars : 4mm – 101.6mm
Length : 1 to 6 Meters, Custom Cut Lengths
Finish : Matt Finish, Bright Polished, Black, NO.4 Finish, Rough Turned, BA Finish
Our SS 347 Round bars conforms to NACE MR0175/ISO 15156
Form : Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc.
| Grade | Mn | C | P | Si | Cr | S | Ni | Co + Ta | Fe |
| SS 347 | 2 maximum | 0.08 maximum | 0.045 maximum | 0.75 maximum | 17 – 20 | 0.03 maximum | 9 – 13 | 10xC min 1.00 maximum | 62.74 |
| Elongation | Density | Tensile Strength | Melting Point | Yield Strength (0.2%Offset) |
| 40 % | 8 g/cm3 | MPa – 515, Psi – 75000 | 1454 °C (2650 °F) | MPa – 205, Psi – 30000 |
| STANDARD | UNS | AFNOR | WERKSTOFF NR. | BS | JIS | GOST | EN |
| SS 347 | S34700 | – | 1.4550 | – | SUS 347 | 08Ch18N12B | X6CrNiNb18-10 |
Stainless Steel 347 Bars and Rods offer exceptional resistance to corrosion, especially in high-temperature environments. They provide excellent oxidation resistance and are highly resistant to intergranular corrosion, making them ideal for industries like aerospace, chemical processing, and power generation.
These bars and rods are perfect for use in high-temperature applications, including heat exchangers, furnace parts, chemical reactors, and equipment in industries such as aerospace, chemical processing, and power generation, where resistance to oxidation and scaling is crucial.
These Stainless Steel 347 Bars and Rods are crucial in industries where heat, oxidation, and corrosion resistance are paramount. They are widely utilized in chemical and petrochemical plants for piping, reactor vessels, and heat exchangers. In the power generation sector, they are essential for boilers, superheaters, and furnace components that endure prolonged exposure to high temperatures. The construction industry relies on them for structural supports and frameworks, while the aerospace and marine sectors use them for components that face harsh conditions. Their durability, stability, and reliability make Stainless Steel 347 Bars and Rods the perfect choice for critical industrial applications.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Anucha Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Bangkok, Thailand
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