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Wiraphan Sheets and Plates, a top-notch manufacturer and supplier based in Bangkok, Thailand, is all about delivering high-quality Stainless Steel 321H Angles for a variety of industrial, structural, and high-temperature needs. With state-of-the-art production facilities and a commitment to international quality standards, Wiraphan ensures that their products boast outstanding durability, corrosion resistance, and thermal stability. These Stainless Steel 321H Angles are specifically designed to handle long-term exposure to high temperatures and harsh environments, making them perfect for applications in the chemical, petrochemical, aerospace, and construction sectors. Thanks to their reliable quality, prompt delivery, and cost-effective solutions, Wiraphan has built a solid reputation as a trusted supplier both locally and around the globe.
Stainless Steel 321H Angle is an austenitic stainless steel primarily made up of iron, 17–19% chromium, 9–13% nickel, and stabilized with titanium to prevent carbide precipitation. This unique composition gives it excellent resistance to intergranular corrosion, oxidation, and scaling at high temperatures. On the mechanical side, Stainless Steel 321H Angles provide impressive tensile strength, good ductility, toughness, and exceptional thermal stability. The titanium stabilization enhances durability in high-temperature applications, while the low carbon content boosts resistance to sensitization, making 321H Angles perfect for welding, forming, and fabrication in demanding environments.
Specifications : ASTM A276, ASTM A479 / ASME SA276, ASME SA479
Angle Size Range : 20 x 20 mm to 100 x 100 mm
Angles Thickness : 3 to 12 mm (depending on size)
Channel Size Range : Base: 80 to 150 mm; Side: 40 to 75 mm
Channel Thickness : 5 to 6 mm (depending on size)
Length : 3MTR, 4MTR, 5MTR, 6MTR, or Custom Cut Sizes
| % | 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 provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Wiraphan Sheets and Plates based in Bangkok, Thailand, 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.
The stainless steel 321H angle offers excellent advantages due to its high carbon content, especially increased resistance to creep and stress rupture at high temperatures Its titanium stabilizer prevents carbide precipitation, improving corrosion resistance at high temperatures . . . . This surface provides outstanding strength, durability and oxidation resistance up to 870°C, making it ideal for heat exchangers, chemical processing and furnace components And power generation more, its ease of manufacture and ability to withstand thermal cycling without losing strength make it the preferred choice for demanding industrial applications. It also retains 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 |
Industries that need corrosion resistance and stability at high temperatures widely use Stainless Steel 321H Angles. In the chemical and petrochemical sectors, you’ll find them in piping systems, heat exchangers, and processing equipment. In aerospace and power generation, they’re utilized for exhaust systems, furnace parts, and turbine components. In construction, these angles act as structural supports, frameworks, and architectural elements that face heat and corrosive conditions. Their blend of toughness, weldability, and long-lasting performance makes them a go-to choice for various applications.
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