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ASME SA 387 GR 91 Alloy Plates
We supply ASME Sa387 Grade 22 Class 2 plates to worldwide fabricators serving the oil, gas and petrochemical industry.
These commercial enterprises oblige a pressure vessel grade which functions admirably in lifted temperatures and our material fills this need well. Furthermore with great consumption and oxidation resistance, Sa387 Grade 22 Class 2 plates are a decent alternative for sharp gas situations as well.
Vandan Steel & Engg. co. stock Sa387 Grade 22 carbon combination plates and have the capacity dispatch around the world.
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EQUIVALENTS
| BS | EN | ASTM/ASME | DIN |
|---|---|---|---|
| 622-515B | 10 CRMO910 | SA387-22-2 | 10 CRMO910 |
SPECIFICATION CHROMIUM & MOLYBDENUM CONTENT ASME SPECIFICATION
| Designation | Nominal Chromium Content (%) |
Nominal Molybdenum Content (%) |
|---|---|---|
| SA387 Grade 22 | 2.25% | 1.00% |
CHEMICAL REQUIREMENTS
| Element | Chemical Composition (%) | |
|---|---|---|
| SA 387 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 |
TENSILE REQUIREMENTS FOR CLASS 2 PLATES
| Designation: | Requirement: | Grade 22 |
|---|---|---|
| SA387 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) |
Tension Test Requirements: The material shall be tested using a test specimen and will confirm to the tensile requirements as outlined in above table.
Other requirements: 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
