Off the floor · Bolts & Screws
7" Diameter x 55" Bolt
SA-540 Grade B23. Machined to the customer's drawing in our Houston shop.
Job details
PartDiameter x 55" Bolt
Length55"
MaterialSA-540 Grade B23
Grade pageA540 B21–B24
Product familyBolts & Screws
Made inHouston, Texas · ISO 9001 certified
Bolt measuring 7" in diameter and 55" long, made from SA-540 Grade B23.
Headed fasteners are turned or forged to the pattern on the drawing, threads rolled or cut to class, and supplied with the finish specified. Heavy hex, 12-point flange, eye and special-head styles are routine work here.
About the material: The pressure-vessel and nuclear bolting specification: four alloy steels in five strength classes from 120 to 165 ksi, with Charpy impact requirements and tight chemistry — the material behind SA-540 B23 Class 2 studs on reactor and compressor closures. Read the A540 B21–B24 data page →
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