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Nestled in the industrial heart of Manila, Diaz Sheetsandplates has built a strong reputation as a reliable partner in the steel industry. We take pride in our role as a dedicated manufacturer and supplier, providing essential materials to the region’s growing infrastructure. Among our core offerings is the SA537 Class 1 Boiler Sheet and Plate, a product that reflects our commitment to quality and strength, serving as a cornerstone for projects that demand resilience and precise performance.
The material itself is engineered for demanding environments. SA537 Class 1 is a heat-treated carbon steel plate with a fine balance of elements that gives it excellent notch toughness, even at lower temperatures. This translates into superior strength and durability, allowing it to withstand high-pressure conditions over long periods without compromising its structural integrity, a crucial factor for safety and longevity in critical applications.
Grade : ASME SA 537 CL.1 Boiler and Pressure Vessel Steel Plates
Width : 1000mm-4500mm
Thickness : 5mm-150mm
Length : 3000mm-18000mm
Supply Condition : As Rolled, Normalized Rolling, Furnace Normalizing, Vacuum Degassing, Simulated Post-Weld Heat Treatment or as per customer requirement.
Impact tested : -52° C
Tempering : Notch toughness can be improved by quenched cooling from hot rolling or normalizing by the supplier. If such a faster cooling rate is agreed upon between purchaser and supplier then the steel is also to be tempered at 1200 F.
Applications : Used for Boilers and Pressure Vessels Application.
Process of Manufacturing : Hot-Rolled (HR)
| C | Mn | P | S | Si | Cr | Cu | Ni | Mo | |
| ≤ 40 mm | > 40 mm | ||||||||
| 0.24 max | 0.70/1.35 | 1.00/1.60 | 0.035 | 0.035 | 0.15/0.50 | 0.025 | 0.35 | 0.25 | 0.080 |
| Grade | Heat Treatment | Yield (MPa) | Tensile (MPa) | Elongation | Thickness | |
| A50mm | A200mm | |||||
| SA537 Class 1 | Normalized | 345 | 485/620 | 22% | 18% | ≤ 65 |
| 310 | 450/585 | 22% | 18% | > 65 ≤ 100 | ||
| Steel Grade | JIS | Germany |
| ASTM/ASME | G3115 | DIN17155 |
| A537 / SA537 | SPV36 | 19Mn5 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
SA537 Class 1 Boiler Sheet and Plate offer excellent strength, toughness, and resistance to pressure, making them ideal for use in high-temperature and high-pressure applications like boilers and pressure vessels. Their superior weldability allows for easy fabrication, while their resistance to cracking and corrosion enhances reliability in demanding environments. This steel is heat-treated to ensure improved mechanical properties, long-term durability, and performance. With excellent formability and impact resistance, SA537 Class 1 is a trusted choice for power generation, petrochemicals, and manufacturing industries.
You’ll typically find this robust material forming the backbone of high-pressure vessels and industrial boilers used in power generation and chemical processing plants. It’s also the material of choice for large-scale storage tanks designed to hold gases and liquids under significant pressure. Beyond these, its reliable strength makes it ideal for critical structural supports in construction and heavy machinery, especially in applications where failure is not an option.
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