4130 Chromoly Steel Vs Reynolds 725

Reynolds 525 and 725 use the same base alloy very similar if not the same as 4130 but 725 has improved properties due to heat treatment.

4130 chromoly steel vs reynolds 725.

How can i save the inputs given to a form in a excel sheet in my pc. 725 can be tig welded and used within our designer select combinations including 853 and 631 tubes. In its 110th year reynolds re launched a limited edition set of 531 tubes for brazed bike frame use. Heat treating can improve material properties that s heating and cooling the material in a specific way.

Using an industry standard alloy with mechanical properties similar to our famous 753 brand reynolds mandrel butt and heat treat this alloy so that thinner walls can be used compared to non heat treated steels. Now go to the most common quality cycletube steel which is 4130 cr mo this has almost identical properties as the old reynolds 531 and is what reynolds 525 and 520 is made of it s also almost certainly what any quality bike manufacturer uses for their own brand or generic cr mo tubing this gives a typical uts of 1110 mpa and a yield. The reynolds tube company was founded in 1898 by john reynolds in birmingham england but traces its origins back to 1841 when john reynolds set up a company manufacturing nails. Reynolds 531 manganese moly cold worked steel.

Reynolds 725 vs 4130. Reynolds 725 vs 4130. Most cycling steel alloys are based on 4130 chromoly. The strength and ductility can be varied by cold working and normalizing if required.