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Wiraphan Sheets and Plates, a reputable manufacturer and supplier located in Bangkok, Thailand, specializes in high-quality Alloy Steel Grade 12 (Gr 12) Sheets and Plates. These products are specifically designed for high-temperature, pressure-resistant, and industrial applications. Crafted with precision and adhering to international standards, these sheets and plates offer remarkable strength, toughness, and resistance to creep and corrosion, even in the toughest conditions. Alloy Steel Gr 12 Sheets and Plates from Wiraphan are commonly utilized in industries such as power generation, petrochemical, oil and gas, and boiler manufacturing. The company prides itself on timely delivery, competitive pricing, and dependable customer support for clients both locally and internationally.
The composition of Alloy Steel Gr 12 Sheets and Plates primarily includes carbon, chromium (around 1.25%), molybdenum (0.44–0.65%), vanadium, and iron as the main element. This blend significantly boosts high-temperature strength, oxidation resistance, and overall durability. Mechanically, these sheets and plates showcase impressive tensile and yield strength, exceptional hardness, and good ductility, making them ideal for pressure vessels, boiler components, and structural applications that endure high stress.
Alloy Steel Sheets and Plates Specification : ASTM A387 / ASME SA387
Dimension Standard : JIS, AISI, ASTM, GB, DIN, EN, etc
Width : 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc
Length : 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc
Thickness : 0.3 mm to 120 mm
Form : Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange) etc.
Surface Finishing : Hot rolled plate (HR), Cold rolled sheet (CR),2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, Chequered, embossed, hair line, sand blast, Brush, etching, SATIN (Met with Plastic Coated) etc.
| BS | EN | ASTM/ASME | UNS | DIN |
|---|---|---|---|---|
| 621B | – | A387 / SA 387 | K11757 | – |
| C | Mn | P | S | Si | Cr | Mo |
|---|---|---|---|---|---|---|
| 0.04 – 0.17 | 0.35 – 0.73 | 0.035 | 0.035 | 0.13 – 0.45 | 0.74 – 1.21 | 0.4 – 0.65 |
| A387 / SA387 Grade 12 | Class 1 | Class 2 |
|---|---|---|
| Tensile Strength (ksi) | 50-80 | 65-85 |
| Tensile Strength (MPa) | 380-550 | 450-585 |
| Yield Strength (ksi) | 33 | 40 |
| Yield Strength (MPa) | 230 | 275 |
| Elongation in 200mm (%) | 18 | 19 |
| Elongation in 50mm (%) | 22 | 22 |
| Reduction of area in % | – | – |
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.
Alloy Steel Gr 12 Sheets and Plates find extensive use in boilers, heat exchangers, pressure vessels, piping systems, and turbine components. They are also perfect for petrochemical plants, power plants, and industrial machinery that require materials capable of withstanding elevated temperatures, high pressure, and corrosive environments. Their unique combination of mechanical strength, thermal stability, and wear resistance makes Alloy Steel Gr 12 Sheets and Plates a top choice for high-performance engineering and industrial applications.
Yes, we offer custom sizes for Alloy Steel Gr 12 Sheets and Plates to meet specific project needs. Our team at Wiraphan Sheets and Plates is dedicated to providing tailored solutions for all your requirements. For more details, contact us at sales@wiraphansheetsplates.com.
Alloy Steel Gr 12 Sheets and Plates are widely used in industries that require high strength, durability, and resistance to extreme conditions. They are commonly applied in power generation, heavy engineering, and automotive sectors for manufacturing components like turbines, boilers, and pressure vessels. These sheets and plates are also used in construction, shipbuilding, and oil and gas industries for structural frameworks, pipelines, and machinery parts. Their ability to withstand high temperatures and corrosive environments makes them ideal for demanding applications in industrial settings.
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Bangkok, Thailand
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