Chrome-moly alloy vs. Steel

GodStang · 08-21-2002, 10:11 PM

I need sub frame connectors for my 1994 stang. Whcih is better Chrome-moly alloy or steel? And why.

cyberstang5.0 · 08-22-2002, 07:11 AM

Chrome-molly is a lot stonger then steel. They make roll cages out of that stuff. If your just buying subframe connectors, steel will be strong enough. That's what mine are made out of.

RPM427 · 08-22-2002, 11:20 AM

Chromoly steel is also much lighter then regular steel

andy669 · 08-22-2002, 01:20 PM

Chromoly is a high strength steel which has Chromium and Molybdenum added. When comparing two identical sized pieces with the same wall thickness, the weights of chromoly and mild steel are nearly the same. The weight savings comes from the difference in wall thickness. Rollcages, for instance, can be .083 wall 1 5/8 tubing for chromoly, but for mild steel they need to be .118 wall. That difference equals .767 pounds per foot of pipe.

Unless you are trying to save every last pound of weight thats possible, I would just get the mild steel sub-frame connectors.

Andy

08-21-2002, 10:11 PM	#1
GodStang College Stanger Join Date: May 1999 Location: Aiken,south carolina, usa Posts: 1,097	Chrome-moly alloy vs. Steel I need sub frame connectors for my 1994 stang. Whcih is better Chrome-moly alloy or steel? And why. __________________ 2003 Sonic Blue Cobra

08-22-2002, 11:20 AM	#3
RPM427 Registered Member Join Date: Aug 2001 Location: Huntington NY Posts: 573	Chromoly steel is also much lighter then regular steel __________________ -1993 Mustang, 900rwhp 03-04 cobra based 4v swap, full Griggs setup, project underway -1994 Ranger w/ 427cid windsor (daily beater) check it out!

08-22-2002, 01:20 PM	#4
andy669 Registered Member Join Date: Jan 2001 Location: Moline Il Posts: 901	Chromoly is a high strength steel which has Chromium and Molybdenum added. When comparing two identical sized pieces with the same wall thickness, the weights of chromoly and mild steel are nearly the same. The weight savings comes from the difference in wall thickness. Rollcages, for instance, can be .083 wall 1 5/8 tubing for chromoly, but for mild steel they need to be .118 wall. That difference equals .767 pounds per foot of pipe. Unless you are trying to save every last pound of weight thats possible, I would just get the mild steel sub-frame connectors. Andy __________________ 88 coupe 91 LX NMRA Pure Street 5120

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08-22-2002, 07:11 AM	#2
cyberstang5.0 347ci of HORSE POWER!!! Join Date: Jul 2001 Location: Houston, TX Posts: 1,416	Chrome-molly is a lot stonger then steel. They make roll cages out of that stuff. If your just buying subframe connectors, steel will be strong enough. That's what mine are made out of.