Type 1
General purpose. The length of this type is measured from end to end. Threads are UNRC-2A.
Type 2
Studs for temperature-pressure piping. These studs are made to the dimensional standard requirements of ANSI B16.5 and have a length measurement requirement different from all other studs, i.e., the length is measured from first thread to first thread, exclusive points. Points are flat and chamfered. Threads are UNRC-2A for all sizes 1 in. and under and 8UNR-2A for all sizes over 1 in.
Arabian Fasteners can supply stud bolts in accordance with:
- ASTM A193 for high pressure and high temperatures
- ASTM A320 for low temperatures
- ASME SA 453 for high temperatures
- ASME SA 540 for special applications
- ASME SA 564 corrosion resistance and high temperatures
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