Quick Reference Guide to Fastener Materials
Material
ARP Uses?
Yield Strength
Tensile Strength
Used For
Grade 5
No
90,000
120,000
accessory bolts and studs
Grade 8
No
120,000
150,000
accessory bolts and studs
Stainless 300
Yes
140,000
170,000
accessory bolts & studs, head studs
Custom 450®
Yes
150,000
180,000
head bolts, accessory bolts
8740 Chrome Moly
Yes
160,000
190,000
rod bolts, head & main studs & bolts
A286
Yes
170,000
200,000
head bolts, accessory bolts
ARP2000
Yes
180,000
215-200,000
connecting rod bolts
L19
Yes
200-230,000
230-260,000
connecting rod bolts
Inconel 718
Yes
190-210,000
220-240,000
connecting rod bolts
Custom Age 625+
Yes
235-255,000
250-280,000
head studs, connecting rod bolts
ARP 3.5
Yes
220-250,000
250-280,000
connecting rod bolts
AerMet® 100
Yes
258,500
300,000
connecting rod bolts
Titanium
Yes
160,000
180,000
head studs, accessory bolts