Grade 8 Threaded Rod

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Grade 8 threaded rod.

2020 weaver distributing 10705 west orchard yakima washington 98908 phone. The stronger and more heat resistant grade 5 threaded rod is made of medium carbon steel quenched and tempered. Stainless steel threaded rod grades include 303 and 18 8 among others. All america threaded products will dual certify to astm a354 bd and sae j429 grade 8.

Grade 8 has 0 28 0 55 carbon 0 030 max phosphorus and 0 050 max sulfur. The grade 8 material from aatp is 100 percent domestically melted and. 18 8 stainless steel threaded rods grade b8. 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.

Grade 8 is typically provided plain finish only due to the potential risk of hydrogen embrittlement when plated or galvanized. It is also quenched and tempered at 800 f leading to its strength. Grade a 396 18 8 102 304 1 316 59 651 2 6061 10. Sae threaded rods do not require permanent grade markings on the ends of the rods like many astm specifications do.

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. For technical drawings and 3 d models click on a part number. Our grade 8 threaded rods vary in length from 10 to 52 depending on the diameter of the 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.

The threads per inch tpi also varies on the diameter of the rod as follows. Astm a354 bd is used for structural bolts while sae j429 grade 8 is an automotive specification. They have good chemical resistance. All america threaded products will dual certify to astm a354 bd and sae j429 grade 8.

Threads come in both coarse and fine. It is classified as astm a449. Common finishes include plain black zinc plated and hot dip galvanized for grades 2 and 5. Grade b8 threaded rods meet the pressure and temperature requirements of astm a193 and are often used to secure pressure tanks valves and flanges.

Black oxide steel threaded rods have a dark surface color and are corrosion resistant in dry environments. Grade 8 steel threaded rods are about 25 stronger than medium strength steel rods. Zinc yellow chromate plated steel threaded rods resist corrosion in wet environments.