Tag Archives: A286 ASTM F2281 screw for high temperature

A286 Bolt Torque Range

Posted on April 15, 2022 by Kathleen

Q:  Hi, I need a torque range for a A286 (aged, 160 ksi UTS) 1″-8 hex bolt. The calculator gives a torque value of 826 ft*lbs but is there a range that is acceptable? A: One thing you have to remember about torque, is it is an approximation. You could … Continue reading →

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What Does Specification ASTM F2281 Mean?

Posted on November 18, 2021 by Kathleen

Q: My customer is asking for a 1/2″ bolt for a high temperature application to 1300F that is to the spec ASTM F2281. What material is this and what is ASTM F2281? A: The specification ASTM F2281 covers several materials including Inconel, Alloy 330 and A286. The spec does not … Continue reading →

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A286 ASTM F2281 for Temperatures up to 1800°F

Posted on May 14, 2021 by Kathleen

Q: I’m a purchasing agent and one of our engineers is requesting a 1/2″-13 x 2″ hex head bolt that is material A286 meeting F2281? What is F2281 mean? A: Good question.  F2281 is a national standards specification put in place by the ASTM. An A286 bolt that meets the … Continue reading →

Posted in Application, FAQs, High Strength, High Temperature Resistance, Material, Specialty Metal Fasteners, Technical Questions | Tagged , , , , , , , , | Leave a comment