Description of Material
ASTM A193 B8 is an austenitic stainless steel used throughout the Oil and Gas industry as a cost effective material for general connections including valves, flanges, and fittings where corrosion protection is required. Provided as standard in a class 1 solution annealed condition for general use, this material is also available in a class 2 strain hardened condition to increase its strength and general mechanical properties.
LoneStar Fasteners Europe offer ASTM A193 B8 in commercial grades, covering the basic requirements of ASTM A193, but can also offer with supplementary testing meeting additional requirements of the standard or to meet the demands of OEM or international accredited certification bodies.
ASTM A193 B8: Forms
| LoneStar Manufacture | ||
| Stud Bolts | ✓ | |
| Studding | ✓ | |
| Hexagon Headed Bolting | ✓ | |
| Socket Headed Bolting | ✓ | |
| Double Ended and Waisted Studs | ✓ | |
| Associated OEM Parts | ✓ |
ASTM A193 B8: Sizes and Threads
| LoneStar Manufacture | ||
| Metric Coarse | ✓ | |
| Metric Fine | ✓ | |
| Imperial UNC | ✓ | |
| Imperial 8UN | ✓ | |
| Imperial UNF | ✓ | |
| ACME | ✓ | |
| Metric sizes available | Up to M100 | |
| Imperial sizes available | Up to 6.00″ |
Similar or Equivalent Standards
| Class 1 | Class 2 | |
| AISI 304 | AISI 304 | |
| AFNOR Z6CN 18.09 | AFNOR Z6CNN 18.09 | |
| AFNOR Z6CN 18.09 | AFNOR Z6CNN 18.09 | |
| AFNOR Z6CN 18.09 | AFNOR Z6CNN 18.09 |
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