Process for improving the sag-resistance and hardenability of a

Details Process for improving the sag-resistance and hardenability of a Process for improving the sag-resistance and hardenability of a

1985-07-18

1987-12-08

Rutledge, L. Dewayne

Metal treatment

Process of modifying or maintaining internal physical...

Chemical-heat removing or burning of metal

148143, C21D 118

Patent

active

047116757

ABSTRACT:
A spring steel having a good sag-resistance and a good hardenability comprises by weight 0.5-0.8% carbon, 1.5-2.5% silicon, 1.6-2.5% manganese and a member or members selected from a group consisting of 0.05-0.5% vanadium, 0.05-0.5 niobium and 0.05-0.5% molybdenum, the remainder being iron together with impurities. The steel may further contain a member or members selected from a group consisting 0.0005-0.01% boron, 0.2-1.0% chromium, 0.2-2.0% nickel and not greater than 0.3% rare-earth elements and/or a member or members selected from a group consisting of 0.03-0.1% aluminum, 0.02-0.1% titanium and 0.02-0.1% zirconium.

REFERENCES:
Yamamoto et al., "(558) Precipitation Strengthened Spring Steel for High Stress Use," 3-5-81, Tetsu to Hagne, Journal of the Iron and Steel Institution of Japan, p. '81-5584.
Yamamoto et al., "Precipitation Strengthened Spring Steel for Automobile Suspensions", 2-22 to 26-82 SAE Technical Paper Series 820129.

Affiliated with

Also associated with

Rating

Process for improving the sag-resistance and hardenability of a does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for improving the sag-resistance and hardenability of a , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for improving the sag-resistance and hardenability of a will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-21562