Although markings are shown on hex heads stamping is a requirement on one end of rods and studs.
Sae j429 grade 8 steel rods.
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.
Sae j429 covers a number of other grades and grade variations not covered in this summary including 4 5 1 5 2 8 1 and 8 2.
Astm a449 is virtually identical in chemistry and strength to astm a325 and sae j429 grade 5.
A354 grade bd bolts are stronger than a354 grade bc.
It is a medium strength bolt manufactured from a medium carbon or alloy steel that develops its mechanical values through a heat treating process.
Sae j429 grade 8.
There are three common grades 2 5 and 8 that readily available or can be made as fully threaded 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.
The exception is f1554 and a307 grade c in which stamping is a supplemental requirement while color coding is required.
Medium carbon alloy steel q t.
Sae j429 covers the mechanical and material requirements for inch series fasteners used in automotive and related industries in sizes to 1 1 2 inclusive below is a basic summary the most common grades.
All america threaded products will dual certify to astm a354 bd and sae j429 grade 8.
Sae j429 covers a number of other grades and grade variations not covered in this summary including 4 5 1 5 2 8 1 and 8 2.
Sae j429 grades 2 5 and 8.
It is also quenched and tempered at 800 f leading to its strength.
Quenched tempered 1 4 1 120 000 150 000 c33 c39 130 000 sae j995 grade 8 hex 0 1 2 140 000 180 000 c39 c45 over 1 2 2 135 000 170 000 c37 c45 153 000 0 1 2 145 000 c39 c44 over 1 2 135 000 c37 c44 astm f1554 anchor bolts steel grade 36 low or medium.
Astm a354 covers headed bolt bent bolt or threaded rod made of tempered alloy steel 4 inches or below in diameter.
Sae j429 covers the mechanical and material requirements for inch series fasteners used in automotive and related industries in sizes to 1 1 2 inclusive.
It is intended for general engineering applications.
Sae j429 grade 8 bolts are made of medium carbon alloy steel.
Grade 8 sae j429 is a medium carbon alloy steel with one of the highest tensile strengths available.
The j429 specification covers requirements for fasteners used for automotive purposes oem applications and other related industries.
