3 8 Bolt Torque Spec Grade 8

In threads per inch 307a astm a307 grade a sae j429 grade 5 sae j429 grade 8 f n l g 9 fnl grade 9 clamp load lbs tightening.

3 8 bolt torque spec grade 8.

The given below astm a354 bd sae grade 8 bolt torque chart provides you with torque of various corresponding bolt sizes along with its tpi clamp load and proof load. Unless otherwise specified use torque values listed above. Sae j429 grade 8 bolts do not exceed 1 5 inches diameter. Sae j429 grade 8 bolts are made of medium carbon alloy steel.

Grade 2 5 and 8 values are for plated bolts. A354 grade bd bolts are stronger than a354 grade bc. The following chart estimates the applied tension clamp force at a defined torque and friction for sae j429 grade 2 5 and 8 bolts. Sae 0 1 2 74 000 psi low carbon steel.

Sae grade 5 120 000 psi med. Grade 2 grade 5 grade 8 18 8 s s bronze brass. Ansi hardware design data torque design and applications. Torque tension reference guide printed in u s a.

Astm a194 specification covers a variety of carbon alloy and martensitic stainless steel nuts in the size range 1 4 through 4 in. 5 8 8 8 10 9 class 5 8 class 8 8 class bolt head identification bolt size grade 2 grade 5 grade 8 metric bolt head identification bolt size inches. Grade 2 calculations only cover fasteners 1 4 3 4 in diameter up to 6 long. Grade 8 standard specification for carbon and alloy steel nuts for bolts for high pressure or high temperature service or both.

And metric m6 through m100 nominal. Supply part number. Torque tolerance 0 15 of torquing values. Coarse fine coarse fine coarse fine coarse fine coarse fine coarse fine 4 5 2 4 8 4 3.

Sae grade 3 100 000 psi med carbon steel. Torque vs tension bolts table chart sae j429 bolts. Clamp loads are based on 75 of the minimum proof loads for each grade and size.