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ASME SA 387 GR 9 Alloy Plates
SA387 Grade 9 Class 2 – weldable carbon steel plates for pressure vessels and boilers utilized as a part of lifted temperatures. The material advantages from included chromium and molybdenum which gives the steel more prominent abrasion resistance and imperviousness to high temperature. Sa387 Grade 9 is utilized by fabricators who serve the oil, gas and petrochemical industry.
ASME Sa387 Grade 9 is accessible ex stock structure our India stockroom and we can dispatch to customers on a worldwide premise. Similarly as with all our carbon steel plates, the material accompanies factory affirmation and stampings.
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EQUIVALENTS
| BS | EN | ASTM/ASME | DIN |
|---|---|---|---|
| ,. | ,. | SA387-9-2 | ,. |
SPECIFICATION CHROMIUM & MOLYBDENUM CONTENT ASME SPECIFICATION
| Designation | Nominal Chromium Content (%) |
Nominal Molybdenum Content (%) |
|---|---|---|
| A387 Grade 9 | 9.00% | 1.00% |
CHEMICAL REQUIREMENTS
| Element | Chemical Composition (%) | |
|---|---|---|
| SA 387 Grade 9 | ||
| 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: | 0.030 |
| Product Analysis: | 0.030 | |
| Sulphur (max): | Heat Analysis: | 0.030 |
| Product Analysis: | 0.030 | |
| Silicon: | Heat Analysis: | 1.00 max |
| Product Analysis: | 1.05 max | |
| Chromium: | Heat Analysis: | 8.00 - 10.00 |
| Product Analysis: | 7.90 - 10.10 | |
| Molybdenum: | Heat Analysis: | 0.90 - 1.10 |
| Product Analysis: | 0.85 - 1.15 | |
| Vanadium: | Heat Analysis: | 0.04 max |
| Product Analysis: | 0.05 max |
TENSILE REQUIREMENTS FOR CLASS 2 PLATES
| Designation: | Requirement: | Grade 9 |
|---|---|---|
| SA387 Grade 9 | 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 test specimens) 40 (measured on flat test 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
