Chapter 7     Steel Fasteners

[ Back ] [ Up ] [ Home ] [ Table of Contents ] [ Next ]

CHEMICAL COMPOSITION OF CARBON & ALLOY STEEL BOLTING & OTHER FASTENERSa

 SAE J429

 

C

Mn

P

S

B

 Grade Material & Treatment   min max max min
 1 Low or medium carbon steel 0.55 max 0.048 0.058
 2 Low or medium carbon steel 0.55 max 0.048 0.058
 4 Medium carbon cold drawn steel 0.55 max   0.048 0.13  
 5 Medium crbon steel, quenched & tempered 0.28-0.55 0.048 0.058
 5.1 Low or medium bon steel, quenched & tempered 0.15-0.30 0.048 0.058
 5.2 Low carbon martensite steel, fully killed, fine grained, 0.15-0.25 0.74 0.048 0.058 0.0005
  quenched & tempered
 7 Medium carbon alloy steel, quenched & tempered 0.28-0.55 0.040 0.045
 8 Medium carbon alloy steel, quenched & tempered 0.28-0.55   0.040 0.045  
 8.1 Elevated temperature drawn steel, medium carbon 0.28-0.55 0.048 0.058
alloy or SAE 1541 or 1541H ateel
 8.2 Low carbon martensite steel, fully killed, fine grained, 0.15-0.25 0.74 0.048 0.058 0.0005
quenched & tempered
 a. All values are por heat analysis product analysis. For heat analysis permisible variations see SAE J409

 The Ferrous Metals Data Book

>

 The Ferrous Metals Data Book