ASME SA 387 GRADE 9 Class 2
ASME SA 387 GRADE 9 Class 2Plates hold particular significance in scenarios demanding elevated temperature endurance and robust anti-corrosion attributes. Notably, ASME SA 387 Grade 91 stands as a steel grade tailored for pressure vessel applications, with a predominant presence in the oil and gas industries. Its remarkable resistance to corrosion renders it a viable choice even within demanding sour service environments. With its impressive weldability and heat-resistant properties, this material emerges as a remarkably versatile steel variant, finding application across a wide spectrum of industrial contexts.
SA387/ASME SA 387 GRADE 9 Class 2 Class 2Plate Specification
| Specifications |
: |
ASTM A387 / ASME SA387 |
| Thickness |
: |
5mm-150mm |
| Width |
: |
1000mm-4500mm |
| Length |
: |
3000mm -18000mm |
| Hardness |
: |
As per ASME A & NACE MR 175 |
| Impact Tested |
: |
Impact tested -52° C |
| Finish |
: |
Hot rolled plate (HR), Cold rolled sheet (CR) |
Chemical Requirements
| Element |
|
Chemical Composition (%) |
|
|
SA 387 Grade 5 |
| Carbon: |
Heat Analysis: |
0.15 max |
|
Product Analysis: |
0.15 max |
| Manganese: |
Heat Analysis: |
0.30 - 0.60 |
|
Product Analysis: |
0.25 - 0.66 |
| Phosphorus: |
Heat Analysis: |
0.035 |
|
Product Analysis: |
0.035 |
| Sulphur (max): |
Heat Analysis: |
0.030 |
|
Product Analysis: |
0.030 |
| Silicon: |
Heat Analysis: |
0.50 max |
|
Product Analysis: |
0.55 max |
| Chromium: |
Heat Analysis: |
4.00 - 6.00 |
|
Product Analysis: |
3.90 - 6.10 |
| Molybdenum: |
Heat Analysis: |
0.45 - 0.65 |
|
Product Analysis: |
0.40 - 0.70 |
The carbon content for plates over 5 in. (125 mm) in thickness is 0.17 max on product
analysis.
Mechanical Composition
| Tensile Strength |
Yield Strength |
Elongation in 50mm (%) |
Reduction of area in % |
| 75-100 ksi, 515-690 MPa |
45 Ksi, 310 MPa |
18 |
45 |
