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B7 Bolt Torque Chart

B7 Bolt Torque Chart - To use spread sheet click desired tab for b7 or b16 material enter the desired percent yield in yellow field at top of form Web as specified in api 6a, clamp load calculated as 50% of the yield strength for the b7 and l7 specified in astm a193/a193m and a320/a320m. Web ses 75% of the yield strength. Web the above table is applicable only for a193 grade b7 and a193 grade b16 stud bolts. The prevailing torque lock nut clamp loads are listed at 75% of the proof loads specified for the appropriate grade bolt: The torque values are approved for spiral wound graphite and ptfe filled gaskets. Web the torque values can only be achieved if nut (or tapped hole) has a proof load greater than or equal to the bolt's minimum ultimate tensile strength. Torque values calculated from formula t=kdf, where coatings such as teflon or xylan offer extremely low coefficients of friction. Clamp load calculated as 75% of the yield strength for the b7 specified in astm a193. All results should be analyzed against actual field results to establish their validity.

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The Torque Values Can Only Be Achieved If Nut (Or Tapped Hole) Has A Proof Load Greater Than Or Equal To The Bolt's Minimum Ultimate Tensile Strength.

Clamp load calculated as 75% of the yield strength for the b7 specified in astm a193. Often we will experience k values around 0.12 or even lower. Web as specified in api 17d, clamp load calculated as 70% of the yield strength for the b7 and l7 specified in astm a193/a193m and a320/a320m. Torque values calculated from formula t=kdf, where coatings such as teflon or xylan offer extremely low coefficients of friction.

The Final Torque Value Accounts For 10% Bolt Relaxation.

Web as specified in api 6a, clamp load calculated as 50% of the yield strength for the b7 and l7 specified in astm a193/a193m and a320/a320m. Web ses 75% of the yield strength. Web the above table is applicable only for a193 grade b7 and a193 grade b16 stud bolts. Web the torque values can only be achieved if nut (or tapped hole) has a proof load greater than or equal to the bolt's minimum ultimate tensile strength.

Web Find Astm A193 Grade B7 Stud Bolt Torque Chart At 100% Of Yield, 70% Yield, 60% Of Yield, 50% Of Yield, 40% Of Yield And 30% Of Yield.

All results should be analyzed against actual field results to establish their validity. Web required torque (ftlbs) custom (insert k) this spread sheet is to be used as a guide. The torque values are approved for spiral wound graphite and ptfe filled gaskets. Coatings such as teflon or xylan offer extremely low coefficients of friction.

To Use Spread Sheet Click Desired Tab For B7 Or B16 Material Enter The Desired Percent Yield In Yellow Field At Top Of Form

Torque values calculated from formula t=kdf. Clamp load calculated as 75% of the yield strength for the b7 specified in astm a193. The prevailing torque lock nut clamp loads are listed at 75% of the proof loads specified for the appropriate grade bolt:

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