SA387 Steel Plate Grades 5, 9, 11, 12, 22 and 91 Class 1 and 2

SA387 Steel Plate

SA387 Steel Plate, Grades 5, 9, 11, 12, 22 and 91 Class 1 and 2
Chromium – Molybdenum Alloy Steel Plates for elevated temp + corrosion. For Use in Boilers and pressure vessels.

 

Chemical Properties:

SA387/ASTM A387 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

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