A387 Grade 12 Class 2 is a high quality chrome molybdenum steel which is ideal for elevated temperature service and offers excellent anti corrosion characteristics.
Related Products:A387grade 2 A387 grade 9 A387grade 11 A387 grade 5 A387 grade 12 A387 grade 21 A387 grade 22 A387 grade 91
ASTM A387 grade 12 material chemical composition
Element |
Carbon |
Manganese |
Phosphorus,max |
Sulfur,max |
Silicon |
chromium |
Molybdenum |
|||||||
|
Grade 12 |
Heat analysis |
Product analysis |
Heat analysis |
Product analysis |
Heat analysis |
Product analysis |
Heat analysis |
Product analysis |
Heat analysis |
Product analysis |
Heat analysis |
Product analysis |
Heat analysis |
Product analysis |
|
0.05-0.17 |
0.04-0.17 |
0.40-0.65 |
0.35-0.73 |
0.035 |
0.035 |
0.035 |
0.035 |
0.15-0.40 |
0.13-0.45 |
0.80-1.15 |
0.74-1.21 |
0.45-0.60 |
0.40-0.65 |
|
ASTM A387 grade 12 welded Alloy Steel pipe/tube mechanical properties
|
|
Tensile strength,ksi[mpa] |
Yield strength,min,ksi[mpa] |
Elongation in 8 in[200mm],min,% |
Elongation in 2 in[50mm],min,% |
Reduction of area,min,% |
|
Grade 12 |
65-85 |
40[275] |
19 |
22 |
|
The following requirements and testing procedures (which are not mandatory) are considered suitable for Chrome Molybdenum steel:
Vacuum treatment
Product Analysis
Additional Tension Test
Charpy V-Notch Impact Test
Drop Weight Test
High Temperature Tension Test
Ultrasonic Examination
Magnetic Particle Examination
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