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Equivalents:
|
BS
|
EN
|
ASTM/ASME
|
DIN
|
|
620 B
|
13 CRMO 45
|
SA387-12-2
|
13 CRMO 44 |
sa 387 grade 12 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):
|
Designation
|
Nominal Chromium Content (%) |
Nominal Molybdenum Content (%) |
|
SA387 Grade12
|
1.00%
|
0.50%
|
SA 387 grade 12 class 2 Steel Plate Properties :
Chemical Properties Of SA 387 grade 12 class 2 Steel Plate
|
Element
|
|
Chemical Composition (%)
|
|
|
ASME SA387 Grade 12
|
|
|
Carbon:
|
Heat Analysis:
|
0.05 – 0.17
|
|
|
Product Analysis:
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0.04 – 0.17
|
|
Manganese:
|
Heat Analysis:
|
0.40 – 0.65
|
|
|
Product Analysis:
|
0.35 – 0.73
|
|
Phosphorus:
|
Heat Analysis:
|
0.035
|
|
|
Product Analysis:
|
0.035
|
|
Sulphur (max):
|
Heat Analysis:
|
0.035
|
|
|
Product Analysis:
|
0.035
|
|
Silicon:
|
Heat Analysis:
|
0.15 – 0.40
|
|
|
Product Analysis:
|
0.13 – 0.45
|
|
Chromium:
|
Heat Analysis:
|
0.80 – 1.15
|
|
|
Product Analysis:
|
0.74 – 1.21
|
|
Molybdenum:
|
Heat Analysis:
|
0.45 – 0.60
|
|
|
Product Analysis:
|
0.40 – 0.65
|
Mechanical Properties Of SA 387 grade 12 class 2 Steel Plate
|
Designation:
|
Requirement:
|
Grade 12
|
|
SA387 Grade 12
|
Tensile strength, ksi [MPA]
|
65 to 85 [450 to 585]
|
|
Yield strength, min, ksi [MPa]/(0.2% offset)
|
40 [275]
|
|
|
Elongation in 8 in. [200mm], min %
|
19
|
|
|
Elongation in 2 in. [50mm], min, %
|
22
|
|
|
Reduction of area, min %
|
–––
|
For more information :
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