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Located in Dubai, UAE, Al Shakru Sheets and Plates distinguishes itself as a leading manufacturer and supplier of premium stainless steel products, especially their Stainless Steel 321H Angles. Celebrated for their precise engineering and remarkable durability, these angles are built to deliver superior corrosion resistance, high-temperature strength, and enduring performance. Manufactured to satisfy rigorous industrial standards, Stainless Steel 321H Angles are ideal for structural, industrial, and commercial uses where reliability and thermal stability matter most. Thanks to their precise dimensions and robust mechanical properties, these angles ensure trustworthy performance even in the harshest conditions. Al Shakru Sheets and Plates is dedicated to providing top-tier stainless steel solutions customized to the specific requirements of clients across a range of industries.
The Stainless Steel 321H Angle consists mainly of iron, with 17–19% chromium, 9–13% nickel, plus minor quantities of titanium, manganese, and additional alloying elements. This particular makeup delivers outstanding protection against intergranular corrosion, superb oxidation resistance, and stability under elevated temperatures. Generally, these angles feature a tensile strength of 620–750 MPa, yield strength of 275–310 MPa, and elongation of 30–40%, guaranteeing dependable mechanical performance. Stainless Steel 321H Angles preserve their structural integrity and dimensional stability even after prolonged exposure to high temperatures, which makes them well-suited for industrial, chemical, and high-temperature engineering applications.
Specifications :ASTM A276, ASTM A479 / ASME SA276, ASME SA479
Angle Size Range :20 x 20 mm up to 100 x 100 mm
Angles Thickness :3 to 12 mm (varies with size)
Channel Size Range :Base: 80 to 150 mm; Side: 40 to 75 mm
Channel Thickness :5 to 6 mm (varies with size)
Length :3MTR, 4MTR, 5MTR, 6MTR, or Custom Cut Lengths
| % | Cr | Ni | C | Si | Mn | P | S | N | Ti | Fe |
|---|---|---|---|---|---|---|---|---|---|---|
| 321 | min:17.0 max:19.0 | min: 9.0 max:12.0 | max:0.08 | max:0.75 | max:2.0 | max:0.045 | max:0.03 | max:0.10 | min:5*(C+N) max:0.70 | Balance |
| 321H | min:17.0 max:19.0 | min: 9.0 max:12.0 | min:0.04 max:0.10 | min:18.0 max:20.0 | max:2.0 | max:0.045 | max:0.03 | max:0.10 | min:5*(C+N) max:0.70 | Balance |
| Grade | Tensile Strength ksi (min.) | Yield Strength 0.2% Offset ksi (min.) | Elongation – % in 50 mm (min.) | Hardness (Brinell) MAX |
|---|---|---|---|---|
| 321/321H | 75 | 30 | 40 | 217 |
| Denstiy lbm/in3 | Coefficient of Thermal Expansion (min/in)-°F | Thermal Conductivity BTU/hr-ft-°F | Specific Heat BTU/lbm -°F | Modules of Elasticity (annealed)2-psi | |
|---|---|---|---|---|---|
| at 68 °F | at 68 – 212°F | at 68 – 1832°F | at 200°F | at 32 – 212°F | in tension (E) |
| 0.286 | 9.2 | 20.5 | 9.3 | 0.12 | 28 x 106 |
We supply products accompanied by both mill test certificates and third-party test certificates, guaranteeing the highest standards of quality and compliance.
Al Shakru Sheets and Plates, located in Dubai, UAE, is a top supplier and stockist of premium metal products, including Sheets, Plates, Coils, Foils, Angles, Channels, Circles, and Slitting Coils, all provided with outstanding service and customized to fulfill our customers specific needs. With an emphasis on delivering exceptional products, we serve a broad spectrum of industries, offering dependable solutions for varied applications. Our vast inventory features Recognized for our distinctive finishing methods and dedication to quality. We are committed to guaranteeing customer satisfaction through reliable service and first-rate products.
The stainless steel 321H angle delivers superb benefits thanks to its high carbon content, particularly enhanced resistance to creep and stress rupture under high temperatures Its titanium stabilizer blocks carbide precipitation, boosting corrosion resistance at high temperatures . . . . This surface offers exceptional strength, durability and oxidation resistance up to 870°C, making it perfect for heat exchangers, chemical processing and furnace components And power generation furthermore, its ease of fabrication and capacity to endure thermal cycling without sacrificing strength make it the favored choice for demanding industrial applications. It also preserves technology.
| 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 |
These angles find broad application in sectors requiring high strength, resistance to heat, and protection against corrosion. Typical applications encompass structural frameworks, pressure vessels, heat exchangers, boiler components, and chemical processing equipment. Because they can withstand thermal stress, they work well for furnace parts, exhaust systems, and high-temperature machinery.
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