ASME SA 387 Grade 91 Alloy Steel Sheets Plates, SA 387 Gr91 Chrome Moly Steel Sheets Plates, ASME SA 387 Gr91 Alloy Steel Sheets Plates and SA 387 Gr91 Class 2 Chrome Moly Steel Sheets Plates
Leomet Alloys are one of the prominent ASME SA 387 Gr91 Class 2 Chrome Moly Alloy Steel Sheets Plates Supplier, Manufacturer & Exporters. Where resistance to high temperature and good anti-corrosion characteristics are required, ASME SA387 Grade 91 Class 2 carbon alloy steel plate is a material to consider. It is a pressure vessel grade steel which is used commonly by fabricators who supply the oil and gas industry. Due to the materials excellent corrosion resistant properties, SA387 Grade 91 is also an option for use in sour service environments. The material has good weldability and with its heat resistant qualities, the material is a highly versatile steel which can be used in numerous applications.
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Specifications of ASME SA 387 Gr91 Class 2 Chrome Moly Alloy Steel Sheets Plates
Chromium & Molybdenum content (according to the ASME specification)
| Designation | Nominal Chromium Content (%) | Nominal Molybdenum Content (%) |
|---|---|---|
| SA387 Grade 91 | 9.00% | 1.00% |
Tensile Requirements of ASME SA 387 Gr91 Class 2 Chrome Moly Alloy Steel Sheets Plates
| Designation | Requirement | Grade 91 |
|---|---|---|
| SA387 Grade 91 | Tensile strength, ksi [MPA] | 85 to 110 [585 to 760] |
| Yield strength, min, ksi [MPa]/(0.2% offset) | 60 [415] | |
| Elongation in 8 in. [200mm], min % | ... | |
| Elongation in 2 in. [50mm], min, % | 18 | |
| Reduction of area, min % | ... |
Chemical Composition of ASME SA 387 Gr91 Class 2 Chrome Moly Alloy Steel Sheets Plates
| Element | Chemical Composition (%) | |
|---|---|---|
| SA387 Grade 91 | ||
| Carbon: | Heat Analysis | 0.08 - 0.12 |
| Product Analysis | 0.06 - 0.15 | |
| Manganese | Heat Analysis: | 0.30 - 0.60 |
| Product Analysis | 0.25 - 0.66 | |
| Phosphorus | Heat Analysis | 0.020 |
| Product Analysis | 0.025 | |
| Sulphur (max) | Heat Analysis | 0.010 |
| Product Analysis | 0.012 | |
| Silicon | Heat Analysis | 0.20 - 0.50 |
| Product Analysis | 0.18 - 0.56 | |
| Chromium: | Heat Analysis | 8.00 - 9.50 |
| Product Analysis | 7.90 - 9.60 | |
| Molybdenum | Heat Analysis | 0.85 - 1.05 |
| Product Analysis | 0.80 - 1.10 | |
| Nickel, max | Heat Analysis | 0.40 |
| Product Analysis | 0.43 | |
| Vanadium | Heat Analysis | 0.18 - 0.25 |
| Product Analysis | 0.16 - 0.27 | |
| Columbium | Heat Analysis | 0.06 - 0.10 |
| Product Analysis | 0.05 - 0.11 | |
| Nitrogen | Heat Analysis | 0.030 - 0.070 |
| Product Analysis | 0.025 - 0.080 | |
| Aluminium | Heat Analysis | 0.02 |
| Product Analysis | 0.02 | |
| Titanium | Heat Analysis | 0.01 |
| Product Analysis | 0.01 | |
| Zirconium | Heat Analysis | 0.01 |
| Product Analysis | 0.01 |
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