[TheForge] Re: cold drawn steel

Mon Oct 20 17:04:00 2003

Dave,
    Yea, that's what I said (meant).It's pushed higher than spec.
29 points is on the high side of mild steel.

Have a local wire co. that I would love to get in their scrap pile.Is known
to be REAL soft.

dan tull
georgia
abba, afc, S.C. psba, obg,sofa
----- Original Message ----- 
From: "David E. Smucker" <[email protected]>
To: <[email protected]>
Sent: Monday, October 20, 2003 2:52 PM
Subject: Re: [TheForge] Re: cold drawn steel

> Hey Dan,  Bad mouthing A36 again --
>
>  Its yield is rated at 36,000 psi not its tensile.  Tensile is 58-80 ksi.
> Chemical Comp. for bar is carbon 0.26-0.29, Mn 0.60-0.90 with a P max of
> 0.04 and S max 0.05 and Cu at 0.20
>
> Part of the problem is that the yield is a minimum so many mills will ship
> stronger / harder material and call it A36.  I think they push or exceed
the
> 80 ksi tensile most of the time. (Yield is often around 50 ksi)   The
above
> spec are ASTM spec from Engineering Properties of Steel by the American
> Society for Metals.  I don't have the data here -- but I think in the
> smaller sizes (like us blacksmith use -- bar below 1 inch) the spec are
> wider that what I noted above.
>
> Sure would be nice to just get your hands on a good supply of 1018 - 1020
> but most of the time is seems to only way to do that is get cold rolled.
> Have you ever tried or gotten your hands on some 1006 - 1008 bar?  I think
> it only comes round (feed stock for nails) but it would be interesting to
> try.
>
> Dave Smucker
>
> ----- Original Message ----- 
> From: "Dan Tull" <[email protected]>
> To: <[email protected]>
> Sent: Monday, October 20, 2003 8:36 AM
> Subject: Re: [TheForge] Re: cold drawn steel
>
>
> > Seems as though A36 has deginerated from 36,000psi tensile ( as
original )
> > to more like 60 ksi.
> > To match welding rod? Cheaper to produce? 1018 is harder and harder to
> get,
> > wish all hot rolled was.
> > One of Saint Fransis of Aspen's tirades.
> >
> >
> > dan tull
> > georgia
> > abba, afc, S.C. psba, obg,sofa
> > ----- Original Message ----- 
> > From: "Scott Lane" <[email protected]>
> > To: <[email protected]>
> > Sent: Monday, October 20, 2003 2:03 AM
> > Subject: RE: [TheForge] Re: cold drawn steel
> >
> >
> > >Can't tell the difference, meself, except that I
> > > >think it welds a little better.
> > >
> > >          You can get 1018 in either cold or hot rolled (have done so
> > > myself).  1018 and A36 are two different animals, regardless of final
> > > process.  The interesting thing is that 1018 is a composition based
> > > specification, where as A36 is a yield strength specification (i.e.,
> they
> > > don't care what it's made of as long as it passes the yield strength
> > spec).
> > >
> > >
> >
> >
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