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Aaron Plates and Sheets is a prominent producer and provider of high-quality stainless steel products, specializing in Stainless Steel 347H Angles. Praised for its precision engineering, strength, and reliability, Aaron provides quality products that satisfy diverse technical and industrial needs. The 347H stainless steel angle is particularly developed for use in high-temperature applications with exceptional oxidation and corrosion resistance. With customer satisfaction, durability, and performance at its core, Aaron Sheets and Plates guarantees uniform product quality. Their stainless steel solutions are particularly suitable for critical applications in power, petrochemical, and aerospace industries.
Stainless Steel 347H Angle is a high-carbon version of grade 347 with superior performance at higher temperatures. It contains iron, chromium (17–19%), nickel (9–12%), and niobium (~0.5%), which stabilizes the material against intergranular corrosion. It has superior tensile strength, oxidation resistance, and weldability, making it ideal for welded and high-temperature applications. Stainless Steel 347H retains its mechanical strength even under thermal stress, providing durability, creep resistance, and structural integrity, which is essential for industrial pressure equipment, heat exchangers, and furnace components.
| 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 | C | Mn | Si | P | S | Cr | Cb | Ni | Fe |
| SS 347 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 20.00 | 10xC – 1.10 | 9.00 – 13.00 | 62.74 min |
| SS 347H | 0.04 – 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 8xC – 1.10 | 9.0 -13.0 | 63.72 min |
| Grade | Density (kg/m3) | Specific Heat 0-1000C (J/kg.K) | Electrical Resistivity (n.m) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (m/m/0C) | Thermal Conductivity (W/m.K) | |||
| 0-1000C | 0-3150C | 0-5380C | at 1000C | at 5000C | |||||
| 347 | 8000 | 500 | 720 | 193 | 17.2 | 17.8 | 18.4 | 16.2 | 21.5 |
| 347H | 8000 | 500 | 720 | 193 | 17.2 | 17.8 | 18.4 | 16.2 | 21.5 |
| STANDARD | WERKSTOFF NR. | UNS | JIS | GOST | EN |
| SS 347 | 1.4550 | S34700 | SUS 347 | 08Ch18N12B | X6CrNiNb18-10 |
| SS 347H | 1.4961 | S34709 | SUS 347H | – | X6CrNiNb18-12 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Nial Sheets and Plates based in Houston, USA, 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 347H angle provides exceptional resistance to high temperature oxidation and corrosion, making it ideal for use in harsh environments, such as chemical processing and electrical equipment Even on its own It maintains and sustains mechanical properties share. Stainless steel 347H is also resistant to intergranular corrosion, ensures durability in high-pressure applications, and is commonly used in applications requiring high-temperature operation and system integrity.
| 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 |
Stainless Steel 347H Angle is widely utilized in high-temperature and corrosive conditions, owing to its superior intergranular corrosion resistance and thermal stability. Typical uses are in heat exchangers, boilers, reactors, pressure vessels, and furnace parts. It is an industry favorite in pharmaceuticals, petrochemicals, refineries, and power generation, where both mechanical strength and heat resistance are essential. The alloy finds use in aerospace and marine industries for parts subjected to severe operating conditions. Its high weldability and long-term strength make it a dependable option for heavy-duty industrial use that calls for day-in-day-out performance under stress.
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