| hasCreationDate | 1999.12.20 |
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| hasCreator | u20645 |
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| hasDefinition | A 'carbon steel' that conforms to the API Specification 5CT and the requirements for Grade C90 Type 1 in Group 2. |
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| hasDesignation | API 5CT - GRADE C90 TYPE 1 COMPOUND |
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| hasIdPCA | RDS7036705 |
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| hasNote | The requirements for welded and seamless steel are equivalent. Quenched and tempering is mandatory for this grade. |
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| hasNoteExample | The steel may be heat treated either quenched and tempered, subcritical stress-relieved, or subcritical age hardened. |
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| hasStatus | Recorded |
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