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Contact SupplierCharming our customers with our outstanding performance, we have paved our way to the top bracket in the industry. As a leading figure in the market, we feel proud to offer Alloy Steel Plates (SA 387 GR 91) to our customers. They are manufactured making use of latest techniques and finest material in fulfillment with global standards. It helps them to become impervious to high temperature levels. They are also equipped with high resistance against corrosion.
ASTM/ASME : SA387-91-2
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 -
Designation | Nominal Chromium Content (%) | Nominal Molybdenum Content (%) |
---|---|---|
SA387 Grade 91 | 0.09 | 0.01 |
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 % | - |
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 | 0.02 |
Product Analysis | 0.025 | |
Sulphur (max) | Heat Analysis | 0.01 |
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 | 0.4 |
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 |