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Chrome Moly Plate Home Page ASME SA387 ASME SA387 Grade 5 Class 2 | ASME SA387 Grade 9 Class 2 | ASME SA387 Grade 11 Class 2 ASME SA387 Grade 12 Class 2 | ASME SA387 Grade 22 Class 2 ASME SA387 Grade 91 Class 2 |
SA387 Grade 9 Class 2 – weldable carbon steel plates for pressure vessels and boilers used in elevated temperatures. The material benefits from added chromium and molybdenum which gives the steel greater corrosion resistance and resistance to heat. SA387 Grade 9 is used by fabricators who serve the oil, gas and petrochemical industry.
ASME SA387 Grade 9 is available ex stock form our UK warehouse and we can dispatch to clients on a global basis. As with all our carbon steel plates, the material comes with mill certification and stampings.
Equivalents
| BS | EN | ASTM/ASME | DIN |
| ... | ... | SA387-9-2 | ... |
Specifications
Chromium & Molybdenum content (according to the ASME specification):
| Designation | Nominal Chromium Content (%) |
Nominal Molybdenum Content (%) |
| A387 Grade 9 | 9.00% | 1.00% |
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) |
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 |
Tension Test Requirements:
Material shall be tested using a test specimen will confirm to the tensile requirements as outlined in Table 2.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
To find out more about Masteel's chrome moly plate and particularly ASME SA387 Grade 9 Class 2 steel plates, click here to contact us.
Equivalent Grades :
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