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ASME SA387 Gr.11 CL2 Alloy Steel Plate For Pressure Vessels Boiler Use
A/SA-387 steel plate, grades 5, 9, 11, 12, 22 and 91 class 1 and 2 Chromium -Molybdenum alloy steel plates for elevated temp+corrosion and widely applied in boilers and pressure vessels.
| A387/SA387 | Grade 5 | Grade 9 | Grade 11 | Grade 12 | Grade 22 |
| Carbon | 0.15 max | 0.15 max | 0.04-0.17 | 0.04-0.17 | 0.04-0.15 |
| Manganese | 0.25-0.66 | 0.25-0.66 | 0.35-0.73 | 0.35-0.73 | 0.25-0.66 |
| Phosphorous | 0.035 | 0.030 | 0.035 | 0.035 | 0.035 |
| Sulfur | 0.030 | 0.030 | 0.035 | 0.035 | 0.035 |
| Silicon | 0.55 max | 1.05 max | 0.44-0.86 | 0.13-0.45 | 0.5 max |
| Chromium | 3.9-6.1 | 7.9-10.1 | 0.94-1.56 | 0.74-1.21 | 1.88-2.62 |
| Molybdenum | 0.40-0.7 | 0.85-1.15 | 0.40-0.7 | 0.4-0.65 | 0.85-1.15 |
| Grade | A 387 Grade 5 | A 387 Grade 9 | A 387 Grade 11 | A 387 Grade 12 | A 387 Grade 22 | |||||
| Class 1 | Class 2 | Class 1 | Class 2 | Class 1 | Class 2 | Class 1 | Class 2 | Class 1 | Class 2 | |
| Tensile Strength (ksi) | 60-85 | 75-100 | 60-85 | 75-100 | 60-85 | 70-90 | 50-80 | 60-85 | 60-85 | 75-100 |
| Tensile Strength (MPa) | 415-585 | 515-690 | 415-585 | 515-690 | 415-585 | 485-620 | 380-550 | 415-585 | 415-585 | 515-690 |
| Yield Strength (ksi) | 30 | 45 | 30 | 45 | 35 | 45 | 33 | 40 | 30 | 45 |
| Yield Strength (MPa) | 205 | 310 | 205 | 310 | 240 | 310 | 230 | 275 | 205 | 310 |
| Elongation in 200mm (%) | 19 | 18 | 18 | 19 | ||||||
| Elongation in 50mm (%) | 18 | 18 | 18 | 18 | 22 | 22 | 22 | 22 | 18 | 18 |
| Reduction of area in % | 45 | 45 | 45 | 45 | 45 | 45 | ||||
A high quality chrome molybdenum alloy steel plate intended specifically for use in weldable carbon steel pressure vessels at elevated temperatures. Added molybdenum gives the material greater temperature tensile strength and the chromium provides improved corrosion resistance.
Weldable carbon steel plates for pressure vessels and boilers used in elevated temperatures. The material benefits from added chromium and molybdenum which gives the steel greater corrosion resistance and resistance to heat. A/SA387 Grade 9 is used by fabricators who serve the oil, gas and petrochemical industry.
A pressure vessel grade steel for use in elevated temperature service, ASTM A387/ASME SA387 Grade 11 Class 2 is used in a variety of industries and is highly effective, particularly in the oil, gas and petrochemical industry, where liquids and gases are often stored at higher temperatures.
The higher levels of chromium also provide excellent corrosion and oxidation resistance, which is a must in sour gas applications.
Engineered for use in elevated temperature service, ASTM A387/ASME SA387 Grade 12 is a chrome molybdenum carbon alloy steel for use in weldable pressure vessels and industrial boilers.
The material benefits from added chromium which provides excellent corrosion and oxidation resistance making it ideal for sour service applications in the oil and gas industry.
We supply A/SA387 Grade 22 Class 2 plates to fabricators serving the oil, gas and petrochemical industry. These industries require a pressure vessel grade steel which works well in elevated temperatures and our material serves this purpose well. And with good corrosion and oxidation resistance, A/SA387 Grade 22 Class 2 plates are a good option.
Where resistance to high temperature and good anti-corrosion characteristics are required, A/SA387 Grade 91 Class 2 carbon alloy steel plate is a material to consider. It is a pressure vessel grade steel which is used commonly by fabricators who supply the oil and gas industry.
Due to the materials excellent corrosion resistant properties, A/SA387 Grade 91 is also an option for use in sour service environments. The material has good weld-ability and with its heat resistant qualities, the material is a highly versatile steel which can be used in numerous applications.
