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Based in Chennai, India, Kunj Sheets and Plates is a reputable producer and supplier of premium stainless steel 347 angles, which are renowned for their outstanding performance at high temperatures and resistance to intergranular corrosion. Kunj serves a variety of industries, including petrochemicals, marine engineering, power generation, and aerospace, with a strong emphasis on product precision, durability, and on-time delivery. Using cutting-edge technology and exacting quality standards, their stainless steel 347 angles are made to be exceptionally strong, weldable, and long-lasting in harsh conditions. Kunj Sheets and Plates is dedicated to offering specialised solutions that satisfy industrial demands on a national and worldwide scale.
With a chromium content of roughly 17–19%, a nickel content of 9–13%, and trace amounts of carbon, manganese, silicon, and phosphorus, Stainless Steel 347 is an austenitic stainless steel stabilised with niobium (columbium). Particularly after welding, the niobium increases resistance to intergranular corrosion. It has an approximate elongation of 40%, a yield strength of 205 MPa, and a tensile strength of 515 MPa. In addition to having outstanding creep strength and oxidation resistance, the alloy retains mechanical stability and corrosion resistance at high temperatures. It is perfect for structural applications in harsh environments because of its austenitic structure, which offers good toughness and formability.
| Specifications | ASTM A 276/A 276M,A 484/A 484M,A 564/A 564M,A 582/A582M,A 638 /A 638M,A705/A705M |
| Dimensions | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| SS 347 Angle | 5mm to 9mm |
| Thickness | 3.0mm – 120mm |
| Length | 3MTR, 4MTR, 5MTR, 6MTR, or Custom Cut Sizes |
| Type | Angle, C Channel, U Channel, H Beam, I Beam, T Beam, W Beam, Chain |
| Grade | SS 347 |
|---|---|
| C | 0.08 max |
| Mn | 2 max |
| Si | 1 max |
| P | 0.045 max |
| S | 0.030 max |
| Cr | 17 – 20 |
| Cb | 10xC – 1.10 |
| Ni | 9.0 – 13.0 |
| Fe | 62.74 min |
| Grade | SS 347 |
|---|---|
| Density | 8.0 g/cm3 |
| Melting Point | 1454 °C (2650 °F) |
| Tensile Strength | Psi – 75000 , MPa – 515 |
| Yield Strength (0.2%Offset) | Psi – 30000 , MPa – 205 |
| Elongation | 35% |
| STANDARD | SS 347 |
| WERKSTOFF NR. | 1.4550 |
| UNS | S34700 |
| JIS | SUS 347 |
| BS | – |
| GOST | 08Ch18N12B |
| AFNOR | – |
| EN | X6CrNiNb18-10 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Kunj Sheets and Plates based in Chennai, India, is a leading supplier and stockist of high-quality metal products, including Sheets, Plates, Coils, Foils, Angles, Channels, Circles, and Slitting Coils, all offered with exceptional service and tailored to meet our customers specific requirements. With a focus on delivering superior products, we cater to a wide range of industries, providing reliable solutions for diverse applications. Our extensive inventory includes Known for our unique finishing techniques and commitment to quality. We are dedicated to ensuring customer satisfaction through dependable service and top-notch products.
Stainless steel 347 Angle for excellent corrosion resistance, especially in hot environments and harsh chemicals. Stabilization is made of columbium and tantalum, preventing carbide precipitation and ensuring high intergranular corrosion resistance. This makes it ideal for high-stress applications in the aerospace, petrochemical, and power plant industries. It has good weldability, formability and high heat resistance. Stainless steel 347 provides durability and performance under extreme conditions, making it a reliable choice for construction and industrial applications requiring high corrosion and temperature resistance.
| THICKNESS | ||||||
|---|---|---|---|---|---|---|
| Size(mm) | 3 mm | 4 mm | 5 mm | 6 mm | 8 mm | 10 mm |
| 25×25 | 1.13 | 1.47 | 1.80 | 2.11 | 2.69 | — |
| 30×30 | 1.37 | 1.79 | 2.20 | 2.59 | 3.33 | — |
| 32×32 | 1.46 | 1.92 | 2.20 | 2.59 | 3.33 | — |
| 35×35 | 1.61 | 2.11 | 2.60 | 3.07 | 3.97 | — |
| 38×38 | 1.75 | 2.30 | 2.84 | 3.36 | 4.35 | — |
| 40×40 | 1.85 | 2.43 | 3.00 | 3.55 | 4.61 | — |
| 45×45 | — | 2.75 | 3.40 | 4.03 | 5.25 | — |
| 50×50 | — | — | 3.80 | 4.51 | 5.89 | 7.20 |
| 60×60 | — | — | 4.60 | 5.47 | 7.17 | 8.80 |
| 63×63 | — | — | 4.84 | 5.76 | 7.55 | 9.28 |
| 65×65 | — | — | 5.00 | 5.95 | 7.81 | 9.60 |
| 70×70 | — | — | — | 6.43 | 8.45 | 10.40 |
| 75×75 | — | — | — | 6.91 | 9.09 | 11.20 |
| 80×80 | — | — | — | 7.39 | 9.73 | 12.00 |
| 90×90 | — | — | — | 8.35 | 11.01 | 13.60 |
| 100×100 | — | — | — | 9.31 | 12.29 | 15.20 |
In corrosive and high-temperature settings where resistance to intergranular corrosion is essential, stainless steel 347 Angles are frequently utilised. They are utilised for heat exchangers, exhaust ducts, and turbine parts in the power generation and aerospace industries. Pressure vessels, piping systems, and refinery equipment all use 347 angles in the petrochemical sector. They are also used for reinforcement and structural support in saltwater-exposed marine applications. 347 angles offer a sanitary, corrosion-resistant framework for the food processing and pharmaceutical industries. They are perfect for fabricated structures and components under thermal stress because of their exceptional weldability and strength at high temperatures.
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