Grade 8 Steel Rod

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Grade 8 steel rod.

It is also quenched and tempered at 800 f leading to its strength. The appropriate fastener specification will depend on the application. All america threaded products will dual certify to astm a354 bd and sae j429 grade 8. With a minimum tensile strength of 150 ksi and minimum yield of 130 ksi grade 8 has a greater tensile and yield strength compared to other steel grades such as grade 2 grade 5 and b7.

For technical drawings and 3 d models click on a part number. Strength exceeds grade 5. Stainless steel threaded rod is also available in a2 and a4 stainless steel which are the same as u s. Grade b7 threaded stud rod.

Grade grade 5 astm a193 b7 chromium molybdenum grade 8 heat treated after threading tensile strength 120 000 psi minimum 125 000 psi minimum 1 100 f tempering temp 150 000 psi minimum yield strength 92 000 psi minimum 105 000 psi minimum minimum 130 000 psi minimum rockwell hardness c25 c34read more. Strength is similar to grade 8. Use with astm a325 structural bolts. Use with grade 2h and grade c nuts.

Same as grade 5. 304 and 316 stainless steels respectively. Grades 8 and b7. Zinc yellow chromate plated steel threaded rods resist corrosion in wet environments.

Fully threaded stud system of measurement inch threaded rod material steel threaded rod material grade grade 8 threaded rod finish plain thread size 1 4 in 20 length 1 1 4 in thread direction right hand threaded rod thread type unc meets exceeds asme b18 31 3 rockwell hardness c39 max thread class 2a package quantity 25. Grade 8 steel threaded rods are about 25 stronger than medium strength steel rods. With a minimum tensile strength of 150 ksi and a minimum yield of 130 ksi grade 8 has a higher tensile and yield strength than other steel grades such as grade 5 and b7. Use with heat treated medium strength steel fasteners like astm a325 structural bolts.

Technically all thread rod made from a36 steel should be ordered to a fastener specification such as a307 grade a a307 grade b f1554 grade 36 or sae j429 grade 2. Class 8 8 and10 9 are classified as alloy steel quenched and tempered and are similar to u s. Strength is similar to grade 5. Metric threaded rods are marked on the rod tips with a color code.

Grade 8 sae j429 is a medium carbon alloy steel with one of the highest tensile strengths available. This table shows the mechanical properties of b7 grade 5 and grade 8. Black oxide steel threaded rods have a dark surface color and are corrosion resistant in dry environments.