Description of Material
The following Bolting Material grades are covered by this standard:
API 6ACRA 718 (120 ksi)
ASTM A453/A453M 660D
All products shall meet the requirements of the referenced ASTM specification, and the modifications specified by the API 20F standard and the relevant bolting specification level.
Forms
| LoneStar Manufacture | ||
| Stud Bolts | ✓ | |
| Studding | ✓ | |
| Hexagon Headed Bolting | ✓ | |
| Socket Headed Bolting | ✓ | |
| Double Ended and Waisted Studs | ✓ | |
| Associated OEM Parts | ✓ |
Sizes and Threads
| LoneStar Manufacture | ||
| Metric Coarse | ✓ | |
| Metric Fine | ✓ | |
| Imperial UNRC+ | ✓ | |
| Imperial 8UNR | ✓ | |
| Imperial UNF | ✓ | |
| ACME | ✓ | |
| Metric sizes available | Up to M100 | |
| Imperial sizes available | Up to 4.00″ |
Requirements as per BSL
| BSL – 2 | Threads shall be UNRC/UNR Furnace calibration to API 6A Annex M Reduction Ratio 4:1 min Thermocouple to be attached during heat treatment Furnace loading and Quench media to API 6HT, and will include furnace load diagrams |
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| BSL – 3 | As per BSL-2 Product analysis in accordance with ASTM A453 Grade 660 Class D, API 6ACRA or UNS R30035 to be performed. All testing by raw material supplier shall be performed by us. |
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| Testing samples shall be carried out as per standard and relevant BSL |