Grade 8 Threaded Rod

Grade b8 threaded rods meet the pressure and temperature requirements of astm a193 and are often used to secure pressure tanks valves and flanges.

Grade 8 threaded rod. Coarse threads are sturdier and easier to thread and unthread but fine threads are better for working with harder materials and are stronger in tension than coarse threads. 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. The stronger and more heat resistant grade 5 threaded rod is made of medium carbon steel quenched and tempered. The most common steel threaded rod classified as astm a307 is grade 2 threaded rod made from low carbon steel.

The threads per inch tpi also varies on the diameter of the rod as follows. Grade 8 is typically provided plain finish only due to the potential risk of hydrogen embrittlement when plated or galvanized. Rod diameter threads per inch. Threads come in both coarse and fine.

The grade 8 material from aatp is 100 percent domestically melted and. Grade 8 steel threaded rods are about 25 stronger than medium strength steel rods. Astm a354 is the classification for grade 8 threaded rod made of high strength steel. 2020 weaver distributing 10705 west orchard yakima washington 98908 phone.

Zinc yellow chromate plated steel threaded rods resist corrosion in wet environments. 18 8 stainless steel threaded rods grade b8. All america threaded products will dual certify to astm a354 bd and sae j429 grade 8. Sae threaded rods do not require permanent grade markings on the ends of the rods like many astm specifications do.

Common finishes include plain black zinc plated and hot dip galvanized for grades 2 and 5. All america threaded products will dual certify to astm a354 bd and sae j429 grade 8. Our grade 8 threaded rods vary in length from 10 to 52 depending on the diameter of the rod. Astm a354 bd is used for structural bolts while sae j429 grade 8 is an automotive specification.

It is also quenched and tempered at 800 f leading to its strength. Threaded rods used in plumbing contracting and maintenance applications threaded rods are used to join together and stabilize objects and structures made of wood metal and concrete. Black oxide steel threaded rods have a dark surface color and are corrosion resistant in dry environments. 509 966 8030 toll free.

They have good chemical resistance. Stainless steel threaded rod grades include 303 and 18 8 among others. Grade 8 has 0 28 0 55 carbon 0 030 max phosphorus and 0 050 max sulfur.