A387 Gr.22 Cl.2 Pressure Vessel Plates
A387 Gr22 Cl2 Pressure Vessel Grade Steel Plate is a chromium-molybdenum alloy used primarily for welding boilers and pressure vessels designed for high temperature service.
A387 Gr22 Cl2 Pressure Vessel Quality (PVQ) Steel has excellent heat resistance and corrosion/oxidation resistance, making it ideal for use in the chemical, oil and gas industries.
A387 Gr.22 Cl.2 Boiler quality plate materials chemical composition
| Carbon (C) | % |
| Heat Analysis: Product Analysis: |
0.05 - 0.15 0.04 - 0.15 |
| Manganese (Mn) | % |
| Heat Analysis: Product Analysis: |
0.30 - 0.60 0.25 - 0.66 |
| Phosphorus (P) | % |
| Heat Analysis: Product Analysis: |
0.035 0.035 |
| Sulphur (S) (Max) | % |
| Heat Analysis: Product Analysis: |
0.035 0.035 |
| Silicon (Si) | % |
| Heat Analysis: Product Analysis: |
0.50 max 0.50 max |
| Chromium (Cr) | % |
| Heat Analysis: Product Analysis: |
2.00 - 2.50 1.88 - 2.62 |
| Molybdenum (Mo) | % |
| Heat Analysis: Product Analysis: |
0.90 - 1.10 0.85 - 1.15 |
A387 Gr.22 Cl.2 Pressure Vessel Alloy Plates mechanical property
| DESIGNATION | REQUIREMENT | GRADE 22 |
|---|---|---|
| A387 Grade 22 | Tensile strength, ksi [MPA] | 75 to 100 [515 to 690] |
| Yield strength, min, ksi [MPa]/(0.2% offset) | 45 [310] | |
| Elongation in 8 in. [200mm], min % | ||
| Elongation in 2 in. [50mm], min, % | 18 | |
| Reduction of area, min % | 45 (measured on round specimen) 40 (measured on flat specimen) |
A387 Gr.22 Cl.2 Pressure Flat Steel Plate thickness chart
|
Thickness |
||
|
25 mm |
8 mm |
20 |
|
12 mm |
5 mm |
40 |
|
10 mm |
4 mm |
32 |
|
15 mm |
8 mm |
50 |
|
16 mm |
6 mm |
|
|
60 mm |
6 mm |
|
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