It's not the aluminum control arm itself that fails; it's the steel ball joint shaft that suffers a fatigue crack. Be the first to share what you think! The below generalizations regarding alloys should be used as a primer for your research when looking for a … 0 comments. This leads especially for bigger suspension arms like for pickup trucks and SUVs to more than 10 kg weight reduction per axle. Use the link below to share a full-text version of this article with your friends and colleagues. Oreo Cat [OP] Certified Alcoholic. Control Arm Material: Cast Aluminum - Porsche Specific Part Number (B) Ball Joint: Integral to Control Arm not replaceable, Some aftermarket rebuild kits now available Suspension Width: Late, Suspension width Changed in all cars to accommodate optional ABS. Steel arm ball joint : 4100 series steel, 19 HRC Aluminum vs. … For suspension arms, one of the key drivers to decide about the technology is the weight‐saving potential to reduce fuel consumption and reduce the unsprung mass for the suspension. Are the Quad cab/Extended cabs different? Q: I have some questions concerning the use of aluminum roller rockers on a street engine with a stock-type camshaft and valvetrain. Sort by. 2002 Ram 1500 Quad cab Sport, 5.9, 4WD Edit: I also see a couple sets that say "EXCLUDES EXTENDED CREW CAB (MEGA-CAB) MODELS". For more info on the E30 M3 control arm failures, see When the steel is 26 HRC, it is hardened and tempered the aluminum arms have a higher hardness value. CHEVROLET > 2009 > HHR > 2.2L L4 > Suspension > Control Arm. $32.79: $0.00: $32.79: Alternate: Quantity: Add to Cart. Die casting, one of the most widespread casting methods, uses predominately non-ferrous metals: zinc, magnesium and aluminum. Steel vs aluminum control arms. VA SOFTACO likes this. The flipside is that aluminum is much more castable than steel. Please note: I am not a metallurgist. more resistant to fatigue failure due to their much higher tensile SKP . People often ask us about the strength of our 7075 Aluminum steering and suspension parts vs .250" wall DOM steel. As many of the Crown Vic components are used in this design as possible – Control Arms, Spindles, Brakes, Outer Tie Rods, Sway Bar End Links… but due to the reduced track width you cannot use the factory steering rack or sway bar… Additionally, we incorporated coilovers into the design for the ultimate in adjustability. In most cases, an aluminum component is as strong or stronger than steel or cast iron. Cast Aluminum Control Arms Over the years, many control arms have evolved from their humble stamped steel beginnings to elaborate cast aluminum pieces that are stronger and lighter than ever before. VA SOFTACO said: ↑ this is a … ULTRA-POWER . 97 M3 street, Bay Area ///Motorsport Log in or sign up to leave a comment Log In Sign Up. 100% Upvoted. SDAS has a significant influence on the mechanical behavior of the cast aluminum components. CE-9807FUA - JK Front Upper Johnny Joint® Control Arms. Stamped steel and aluminum arms have a larger ball joint that fit the same knuckle. But what sets aluminum apart is how it fails. Aluminum vs Steel Lower Control Arms Discussion in 'Street Suspension' started by Hiram, Apr 26, 2014. Cast Steel Control Arms . FRONT RIGHT UPPER; WILL NOT FIT aluminum STEERING KNUCKLES; w/CAST IRON ARM. As you can see, the ball joints on the aluminum control arms are Enter your email address below and we will send you your username, If the address matches an existing account you will receive an email with instructions to retrieve your username, By continuing to browse this site, you agree to its use of cookies as described in our, I have read and accept the Wiley Online Library Terms and Conditions of Use. Alloying elements are added to molten aluminum to achieve the aluminum grade and properties desired. Roy Hopkins did This steel at 19 HRC is probably annealed, with a tensile strength Being cast aluminum, they don't corrode quite like the steel control arms do, but since aluminum is a softer metal, they do bend and crack when things go wrong. Most people haven’t encountered iron or steel in their molten state—which is understandable, since iron melts at about 2300˚F and steel melts at 2600˚F, and both are poured into molds at even hotter temperatures. and could have a tensile strength of 136,000 psi. Working off-campus? Please check your email for instructions on resetting your password. CE-9807FUA $303.00. Sponsored By: Apr 26, 2014 at 3:37 PM #1. On the basis of the requirements and the principal decision for steel or aluminum and sheet metal, cast, or forged solutions, the design process itself is quite important to come to a competitive suspension arm. Browse other articles of this reference work: The full text of this article hosted at iucr.org is unavailable due to technical difficulties. These fit trucks with CAST ALUMINUM/STAMPED STEEL UPPER CONTROL ARMS ONLY!!!! In the first part, a theoretical comparison of steel and aluminum is given. SKP . 2000-2003, Last updated on When you’re building a performance engine, you often want the engine to rev higher. WITH ALUMINUM OR STAMPED STEEL CONTROL ARMS . Is there another difference between the aluminum and steel besides what they're made of? Most aluminum suspension components are extruded or forged, and in some cases, will be heat-treated. We use only the best heavy duty 1-ton ratet ball joints. The frame to which the axle is attached, the lateral suspension control arms and the suspension struts are made of aluminium, as are the front disc brake calipers and the rear brake drums. GM decided in 2014 to come out with a new Aluminum control arm for their trucks on some models in addition to the standard cast steel control arms. For this reason alone I prefer the aluminium arm. Mar 29, 2017 at 2:35 PM #14 #14. share. You will also notice the third option which is brand new for the 2016.5-2017-2018 and up trucks. $29.79: $0.00: $29.79: Alternate: Quantity: Add to Cart. Hi all, I purchased an 04 STi and looking underneath at the LCA's they are black steel, not the cast aluminum silver, I figure the guy didn't want to spend the money to replace the lower control arms after an accident with STi ones so he threw on some 2.0l wrx steel ones. Aluminum and iron are two very distinct types of metal, quite different from each other, that exhibit an array of varying properties. Front Left Lower; w/Stamped Steel Arms. Aluminum Control Arms . Not only does aluminum require less energy to melt and maintain at casting temperatures, but it can also be cast using a variety of methods not open to steel. The materials are the same, (carbon analysis not done, the steel Stamped looks like a flat piece if steel that was shaped/formed. arms are made from identical materials, but the ball joints on The ball joints on both the aluminum and steel control arms are made from identical materials, but the ball joints on the aluminum arms have a higher hardness value. May 05 2017, 10:39am. crack. 29 January, 2003 12:14. What do they look like? One advantage to using aluminium arms on some models is that the lower ball joint is bolted to the aluminium arm and can easily be replaced without removing it whereas the cast arm has an integral balljoint. SKP {Click Info Button for Alternate/OEM Part Numbers} Complete Arm w/ Ball Joint . This is the same setup found on 2007-2014 models. I recently converted my Denali to the PPV suspension (shocks and springs) … Cast iron is relatively easy to cast, as it pours easily and doesn’t shrink as much as steel. strength. Steel knuckles with forged steel control arms had smaller ball joint holes that match the cast steel arms only. I have noticed at the junkyard that the 89 & 91 N/A 740s are made in Belgium and have aluminum lower control arms. 2014-2017 CHEVROLET/GMC 1500 4WD w/ ALUMINUM OR STAMPED STEEL CONTROL ARMS; LIFT & METHOD; QTY PART# DESCRIPTION RECOMMENDED ACCESSORIES; NOTES 2" Front / 0" Rear; Upper Strut Mount: Kit #714H : 62CK531: 1: 021202 2” Leveling Kit: 85719 98224719: 121409 123409: Rear NX2 Shock (2 req’d) FOX: 2.0 Rear Gas … By the use of state‐of‐the‐art materials, production processes, and design processes, the weight of suspension arms can be reduced by up to 50%. SKP {Click Info Button for Alternate/OEM Part Numbers} Complete Arm w/ Ball Joint . On the basis of the requirements and the principal decision for steel or aluminum and sheet metal, cast, or forged solutions, the design process itself is quite important to come to a competitive suspension arm. The main requirements for suspension arms are introduced and explained. 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