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Ahmed Sheets and Plates is a well-respected manufacturer and supplier based in Safat, Kuwait, specializing in top-notch Stainless Steel 347H Angles. These angles are perfect for industries that need outstanding high-temperature strength and corrosion resistance. Stainless Steel 347H is a stabilized austenitic stainless steel enriched with niobium, making it an excellent choice for environments that face prolonged high temperatures. At Ahmed Sheets and Plates, they prioritize precision manufacturing, rigorous quality control, and adherence to international standards, ensuring that their 347H stainless steel angles deliver remarkable mechanical stability, oxidation resistance, and long-lasting durability in demanding applications across the chemical, petrochemical, power, and industrial sectors.
Stainless Steel 347H Angle, which provides improved strength and durability in high-temperature environments Its composition contains iron, chromium (17-19%), nickel (9-12%) ), and a small amount of niobium (0.5). %) were present. Mechanical properties include good tensile strength, corrosion resistance and excellent weldability, making it ideal for high temperature applications Stainless steel 347H is highly resistant to intergranular corrosion and is used in applications such as heat exchangers, furnace components, and other high-pressure industrial areas.
| 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.
The Stainless Steel 347H Angles provided by Ahmed Sheets and Plates mainly consist of Chromium (17–19%), Nickel (9–13%), Carbon (0.04–0.10%), and are stabilized with Niobium (Nb). This specific composition guarantees exceptional resistance to intergranular corrosion, high-temperature oxidation, and creep deformation. On the mechanical side, 347H boasts impressive tensile and yield strength at elevated temperatures, along with good toughness and reliable weldability, making it ideal for heavy-duty structural applications in extreme thermal conditions.
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 a high-carbon Angle 347 grade, giving excellent resistance to intergranular corrosion, especially in welded structures at high temperatures It is commonly used in pharmaceuticals, power plants and refineries, where exposure occurs high temperatures and corrosive environments are common occur . This alloy is ideal for applications requiring high strength and oxidation resistance in heat exchangers, reactors and furnace components etc. Its high-temperature stability and corrosion resistance make it suitable for air, space and other highly demanding applications.
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