The 1020 stuff was a Hi-Ten (High Tensile) steel, I believe, which is quite different from the 4130 steel. It's been a while since I learned this stuff. enjoy, Brandon"monkeyman"Ives SB, CA
On Wednesday, January 1, 2003, at 04:31 PM, Raoul Delmare wrote:
> I completely agree with Mr. Ives . And besides , he knows way more
> than I do .
>
> But , was Raleigh's usual "1020" steel really the exact same
> chemical
> formula as the U.S.A. 4130 chromium molybdenum steel ?
>
> Raoul Delmare
> Marysville Kansas
>
>
> ----- Original Message -----
> From: "Brandon Ives" <monkeylad@mac.com>
> To: <strattonh@insightbb.com>
> Cc: <classicrendezvous@bikelist.org>
> Sent: Wednesday, January 01, 2003 5:22 PM
> Subject: Lesson on steel Re: [CR]Reynolds 4130 Tubing on Raleigh
> Touring?
>
>
>> Ok folks I think this has been said before but people don't seem to
>> remember. 4130, 531, 501, 555, 753, etc. . . . is not the
>> designation
>> of the tubing. What these numbers refer to is the steel itself, the
>> make up and each number is a designation of the different metals
>> within
>> the steel. I used to know what each number meant, but have long
>> forgotten. . .any material engineers out there? All of these steels
>> can be drawn into various "tubing sets", for example Reynolds 531 has
>> had at least three different butting variations that I know of,
>> including an unbutted 531 tubeset. To the OP, yes 4130 is just a
>> designation for a type of cro-mo steel and Raleigh has used 4130 for a
>> long time. I think, but I'm not 100%, that all the bikes built with
>> "Raleigh steel" drawn by reynolds are 4130.
>> enjoy,
>> Brandon"monkeyman"Ives
>> SB, CA
>>
>> On Wednesday, January 1, 2003, at 02:57 PM, Stratton O. Hammon II
>> wrote:
>>
>>> Hey all,
>>>
>>> Did Reynolds make a tubing called "4130"? This Ebay seller claims
>>> that
>>> this Raleigh touring bicycle has such a label. I thought 4130 was
>>> just
>>> the SAE designation for any seamless Chrome Molly tubing? I looked
>>> in
>>> a mid '80s Reynolds catalogue and didn't see any tubing with that
>>> designation.
>>>
>>> This is a curious bike. Looks like an English made bicycle, with
>>> Carlton style "shot-in" (what we call fast back) seat stays. I would
>>> guess this was made about 1980 since it has spoke reflectors and 14
>>> speeds (hence the name)?
>>>
>>> http://ebay.com/
>>> eBayISAPI.dll?ViewItem&category=7298&item=1985707353
>>>
>>> Item # 1985707353
>>>
>>> Thanks,
>>> Stratton Hammon
>>> Louisville, KY, USA