This doesn't answer your question...but if you're ever looking for carbon steels you can't go wrong with Kelly Cupples. Here's his info (I'll soon have it permanently up on my website):
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Current Steel in stock as of 2-02-06, payment personal check or money order.
Bar stock is in 5' lengths. Will negociate cut lengths.
1084 ( Approx) per #
1/8 x 1 1/4......( 23" in a lb ) ..........................................2.85
3/16 x 1 .........( 19" in a lb )...........................................2.90
1080
1/8 x 1...........( 27" in a lb )............................................2.80
1/8 x 1 1/2......( 19" in a lb )........................................... 2.45
3/16 x 1..........( 19" in a lb )............................................2.35
3/16 x 1 1/2....( 13" in a lb )........................................... 2.65
1065
1/4 x 1..............( 14" in a lb )...........................................2.20
1/4 x 1 1/4........( 12" in a lb )...........................................2.10
1/4 x 1 1/2........( 10" in a lb )...........................................2.00
1095
3/16 x 1 1/2.......( 13" in a lb )..........................................3.95
5160
1/4 x 1 1/4........( 12" in a lb )..........................................2.25
1/4 x 1 1/2........( 10" in a lb )..........................................2.20
O-1 Precision Ground
5/16 x 1 1/2 x 15........( 2 lbs )......................................7.00 Ea.
5/16 x 2 1/2 x 36........( 8 lbs )....................................25.00 Ea.
3/4 x 2 1/2 x 36.......( 20 lbs )...................................60.00 Ea.
15n20
.070,.085,or .095 ....................................3.25
will shear to this range 1 x 4 up to 8 x 48
(.070 x 1 x 48 = 1 lb), (.085 x 1 x 43 = 1 lb), (.095 x 1 x 38 = 1 lb)
Monel Nickel 200 ....... .010 x 1 5/8 .............. 21.00 lb
1084 Powder......................................................3.25
4600E Powder....................................................3.25
2% Nickel & Iron .006 Carbon
To bring the Carbon up in the 4600E to approx 1% add 1 1/8 oz. Graphite to 8 pounds of powder and use 4 oz. of WD-40 or equivilent for binder.
Anhydrous Borax ...............................................2.50
Orders 50.00 and up shipping included UPS ground
within the continental US. Thanks for your time and Happy Forging KCC
Kelly Cupples
2807 Butterfield Rd.
Yakima Wa. 98901
509-728-0057
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Also, for round stock 52100 and 5160, Ray Kirk has a good supply:
http://www.rakerknives.com/Steelprices.htm
And finally, for the steels you mentioned, you can't go wrong with any of the knifemaking supply houses...sheffields, K&G, Jantz, Kovals, etc... Help support the suppliers that are in your interest area!
-Darren