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Equivalents:
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BS
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EN
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ASTM/ASME
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DIN
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SA387-91-2
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sa 387 grade 91 class 2 Steel Plate Grade and Specification
Grades
- ASTM A387 Grade 5 Class 2,Grade 9 Class 2,Grade 11 Class 2,Grade 12 Class 2,Grade 22 Class 2,Grade 91 Class 2.
- ASME SA387 Grade 5 Class 2,Grade 9 Class 2,Grade 11 Class 2,Grade 12 Class 2,Grade 22 Class 2, Grade 91 Class 2.
- EN 10028:16Mo3,13CrMo45,10CrMo910
- BS 1501: 620B, 621B,622B
Chromium & Molybdenum content (according to the ASME specification):
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Designation
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Nominal Chromium Content (%)
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Nominal Molybdenum Content (%)
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SA387 Grade 91
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9.00%
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1.00%
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SA 387 grade 91 class 2 Steel Plate Properties
Chemical Properties Of SA 387 grade 91 class 2 Steel Plate
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Element
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Chemical Composition (%).
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SA387 Grade 91
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Carbon:
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Heat Analysis:
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0.08 – 0.12
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Product Analysis:
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0.06 – 0.15
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Manganese:
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Heat Analysis:
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0.30 – 0.60
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Product Analysis:
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0.25 – 0.66
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Phosphorus:
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Heat Analysis:
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0.020
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Product Analysis:
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0.025
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Sulphur (max):
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Heat Analysis:
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0.010
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Product Analysis:
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0.012
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Silicon:
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Heat Analysis:
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0.20 – 0.50
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Product Analysis:
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0.18 – 0.56
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Chromium:
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Heat Analysis:
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8.00 – 9.50
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Product Analysis:
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7.90 – 9.60
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Molybdenum:
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Heat Analysis:
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0.85 – 1.05
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Product Analysis:
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0.80 – 1.10
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Nickel, max:
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Heat Analysis:
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0.40
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Product Analysis:
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0.43
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Vanadium:
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Heat Analysis:
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0.18 – 0.25
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Product Analysis:
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0.16 – 0.27
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Columbium:
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Heat Analysis:
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0.06 – 0.10
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Product Analysis:
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0.05 – 0.11
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Nitrogen:
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Heat Analysis:
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0.030 – 0.070
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Product Analysis:
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0.025 – 0.080
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Aluminium:
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Heat Analysis:
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0.02
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Product Analysis:
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0.02
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Titanium:
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Heat Analysis:
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0.01
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Product Analysis:
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0.01
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Zirconium:
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Heat Analysis:
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0.01
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Product Analysis:
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0.01
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Mechanical Properties Of SA 387 grade 91 class 2 Steel Plate
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Designation:
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Requirement:
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Grade 91
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SA387 Grade 91
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Tensile strength, ksi [MPA]
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85 to 110 [585 to 760]
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Yield strength, min, ksi [MPa]/(0.2% offset)
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60 [415]
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Elongation in 8 in. [200mm], min %
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…
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Elongation in 2 in. [50mm], min, %
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18
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Reduction of area, min %
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…
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For more information :
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