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--- reynolds:start [2024/03/18 17:31] – mtbtimeline
+++ reynolds:start [2024/03/18 18:15] (current) – mtbtimeline
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 </div>
+<div column 50% #intro>
+----
+===== Reynolds Tube Models =====
+The Reynolds Tube Company produced over 70 models of tubing, from 453 -> 953, for steel and many other letter and number combinations for steel, aluminium, magnesium, and titanium.
+{{tubing:rweight3.jpg?600|Tubing Strength}}
+\\
+s Reynolds TI catalog, [[https://v-cc.org.uk/|VCC]] library.
+The chart shows the relative advantage of modern Reynolds tubing versus "others" plus the weakening effect of brazing and joining.  Reynolds 531 was available in variants of 531 Competition, 531SL, 531 Professional, 531 Super Tourist, and many more.  They all have the same material composition but differ in their butting profiles.  As 531 deforms under the heat needed for TIG welding, it is no longer available, except for a anniversary set released in 2014 for vintage reproduction work.
+Other notable tubing models include:
+  * **501**: CroMo steel, suitable for TIG welding.  Debuted in 1983.  Became popular with MTBs.
+  * **525/520**: 4130 steel.  "The entry point into butted steel tubing... suited to bikes where ultimate weight isn’t a priority."(([[https://www.reynoldstechnology.biz/materials/steel/s-525/|reynolds]]))
+  * **725/720**: Heat treated 525.
+  * **753**: Heat treated 531.  Requires silver brazing where 531 can also be brazed with brass.  Rare.
+  * **853**: Air hardened & heat treated.
+  * **953**: Uses [[https://en.wikipedia.org/wiki/Maraging_steel|maraging steel]] produced by [[https://www.carpentertechnology.com/|Cerpenter Technology]] of Philadelphia, PA.
+Resources:
+  * [[https://www.reynoldstechnology.biz/]]
+  * [[https://www.reynoldstechnology.biz/history-of-reynolds-technology-revealed-in-more-detail/]]
+  * [[https://www.reynoldstechnology.biz/the-history-of-reynolds-technology/]]
+  * [[https://kuromori.home.blog/reynolds-531/]]
+  * [[https://en.wikipedia.org/wiki/Reynolds_Technology]]
+  * [[https://www.base-mag.com/steel-is-real/]]
+  * [[https://www.reynoldstechnology.biz/superior-mechanical-properties-of-953-and-931/]]
+  * [[https://www.reynoldstechnology.biz/from-nails-to-bicycle-tubes/]]
+  * [[https://www.reynoldstechnology.biz/]]
+  * [[https://cdn.shopify.com/s/files/1/1301/5071/files/531_history_aug_15.pdf]]
+  * [[https://hlloydcycles.com/en-us/collections/reynolds]]
+  * [[https://www.reynoldstechnology.biz/wp-content/uploads/2015/10/decal_history.pdf]]
+  * [[https://www.cyclist.co.uk/in-depth/reynolds-men-of-steel]]
+  * [[https://people.ece.ubc.ca/~gillies/reynolds/]]
+  * [[https://www.reynoldstechnology.biz/materials/steel/steel-853/]]
+  * [[https://www.reynoldstechnology.biz/reynolds-tubing-guide/]]
+  * [[https://www.reynoldstechnology.biz/wp-content/uploads/2015/08/rtl_history.pdf]]
+  * [[https://www.reynoldstechnology.biz/wp-content/uploads/2015/08/rtl_timeline2009.pdf]]
+  * [[https://www.bretonbikes.com/homepage/cycling-article-blog/87-reynolds-531-tubing-the-cycle-tourists-friend]]
+  * [[https://web.archive.org/web/20190316083437/http://www.reynoldstechnology.biz/materials/steel/s-531/]]
+  * [[https://aghs.jimdofree.com/reynolds-images/]]
+</div>
+<div column 45%>
+{{tubing:reytubes.jpg?400| Reynolds factory, 2008}}
+\\
+Reynolds factory, 2008
+[[https://www.flickr.com/photos/witcomb/2219683612/in/photostream/|flickr]]
+\\
+</div>
+<div column 100% #timeline>
+----
+===== Decal Timeline =====
+</div>
+{{page>:timeline_reynolds}}