Grade 8 Steel Rod

Grades 8 and b7.

Grade 8 steel rod.

Use with heat treated medium strength steel fasteners like astm a325 structural bolts. All america threaded products will dual certify to astm a354 bd and sae j429 grade 8. Same as grade 5. The appropriate fastener specification will depend on the application.

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. Zinc yellow chromate plated steel threaded rods resist corrosion in wet environments. Metric threaded rods are marked on the rod tips with a color code. Use with grade 2h and grade c nuts.

Grade b7 threaded stud rod. Grade 8 sae j429 is a medium carbon alloy steel with one of the highest tensile strengths available. Use with 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.

Strength is similar to grade 5. This table shows the mechanical properties of b7 grade 5 and grade 8. Strength exceeds grade 5. 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.

It is also quenched and tempered at 800 f leading to its strength. Astm a36 is a steel grade not a fastener specification. Uxcell round steel rod 1mm hss lathe bar stock tool 100mm long for shaft gear drill lathes boring machine turning miniature axle cylindrical pin diy craft tool 20pcs 17. Grade 8 steel threaded rods are about 25 stronger than medium strength steel rods.

Class 8 8 and10 9 are classified as alloy steel quenched and tempered and are similar to u s. 304 and 316 stainless steels respectively. O1 tool steel round rod polished finish precision ground precision tolerance 1 8 diameter 36 length 46. For technical drawings and 3 d models click on a part number.

Black oxide steel threaded rods have a dark surface color and are corrosion resistant in dry environments. Strength is similar to grade 8. Stainless steel threaded rod is also available in a2 and a4 stainless steel which are the same as u s.