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ASTM A387 Gr.22 Alloy Steel Plate for Pressure Vessel Alloy K21590 Steel Plate Thickness 6.0 - 40.0mm
ASME SA387-22 steel plate is a pressure vessel grade steel specially designed for use in elevated temperature service and applications in which sour gas is present.
Sometimes called a chrome-moly plate, higher levels of chromium provide excellent corrosion and oxidation resistance. Additional characteristics of SA387 grade 22 plate, which is also referred to as ASTM A387-22 steel plate, include:
As a leading SA 387 Grade 22 steel plate supplier, Universal Steel America stocks SA387-22 steel plate with thicknesses from 6 - 40mm in the normalized and quench-and-tempered conditions.
Width and length restrictions exist, depending on plate weight and mill capabilities. Average widths are 96 and 120 inches, whereas typical lengths are 240 and 480 inches. Specialized testing and chemical or physical requirements can vary, depending on the final application requirements.
| BS | EN | ASTM/ASME | DIN |
| 622-515B | 10 CRMO910 | SA387-22-2 | 10 CRMO910 |
Specifications for ASME SA387 Grade 22 Alloy Steel Plates
| Designation | Nominal Chromium Content (%) | Nominal Molybdenum Content (%) |
| SA387 Grade 22 | 2.25% | 1.00% |
| Element | Chemical Composition (%) | |
| SA387 Grade 22 | ||
| Carbon: | Heat Analysis: | 0.05 - 0.15 |
| Product Analysis: | 0.04 - 0.15 | |
| 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: | 0.035 |
| Product Analysis: | 0.035 | |
| Silicon: | Heat Analysis: | 0.50 max |
| Product Analysis: | 0.50 max | |
| Chromium: | Heat Analysis: | 2.00 - 2.50 |
| Product Analysis: | 1.88 - 2.62 | |
| Molybdenum: | Heat Analysis: | 0.90 - 1.10 |
| Product Analysis: | 0.85 - 1.15 |
