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Bianchi Steel Tubing

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Bianchi Steel Tubing

Old 01-15-14, 03:38 PM
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Bianchi Steel Tubing

My mid-70's Bianchi doesn't have any tubing stickers on it but it does have a model number sticker on the head tube (see photo for "00 5 11"). In the 1973 Bianchi catalogue, this model has, according to Google translate, "Frame: Tubular steel CR Ni Mo super lightweight". I believe CR Ni Mo is some sort of stainless steel but do any of you know anything more specific? Is it "normal" for this vintage of Bianchi to not have tubing stickers or have they been lost from my frame? Thanks in advance.


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Old 01-15-14, 04:37 PM
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Is the bike light? Does it ride well? If so, you have good tubing.
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Old 01-15-14, 05:31 PM
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I would walk around saying "cro ni mo" all the time.

I think I'll do that anyway.

cro ni mo....
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Old 01-15-14, 06:22 PM
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(i'm not an expert or any sort, but)
if it were Ni-Cr-Mo, it's basically a low alloy steel sort widely used in the welding world? could this be relevant?
sorry if i confuses it more here.

*edit. this guess was completely incorrect and irrelevant, it turned out.
it seems some alloy formular, close to stain-less but not quite, if i am not mistaken.

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Old 01-15-14, 06:59 PM
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If you're disappointed and want to throw it out, I'll pay shipping. It's Celeste lugged steel, and you look cool riding it.
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Old 01-15-14, 07:17 PM
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It is definitely not stainless. At least in the early 80s Bianchis were typically Columbus SL, and I'd be surprised if things were much different in the early 70s.
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Old 01-15-14, 07:27 PM
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That bike is cool. I want one.
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Old 01-16-14, 05:39 AM
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We need more pictures of the bike. Drive side please. Not that I can help you identify a Bianchi, I just like looking at them.
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Old 01-16-14, 02:48 PM
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Here's a photo.

I think this frame looks pretty close to the one Norwegian Roadie is enquiring about in this post:


It looks like the remnants of a Columbus sticker on that bike.

Last edited by Stevensb; 01-16-14 at 02:57 PM. Reason: add text
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Old 01-16-14, 04:06 PM
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Ni and Cr are the principal alloying metals that provide corrosion resistance to steel but only at fairly high concentration like 18% Cr and 8 or 10% Ni. The concentrations of such metals and also Mo used to enhance strength of steel are much smaller. This isn't likely stainless.
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