Vintage Barrel Steel Composition

[Bruce Day]

Drew, several issues:

1. You identified an English steel maker named Titanic. Is this company the source of Parker Titanic barrels?

2. You identified several Krupp barrels. Lefever used Krupp barrels, but of which Krupp steel?

3. There has long been debate in the Parker community about whether Parker fluid steel grades were truly different or if the grade steels were the same and marketing was the difference. Your paper shows different compositions for Trojan, Vulcan, Parker Steel and Titanic. I think that settled that long standing question, agree ?

[Dean Romig]

Originally Posted by Bruce Day

3. There has long been debate in the Parker community about whether Parker fluid steel grades were truly different or if the grade steels were the same and marketing was the difference. Your paper shows different compositions for Trojan, Vulcan, Parker Steel and Titanic. I think that settled that long standing question, agree ?

I think I'll read Dave's article again...

Seems to me there were some slight differences in a few of the steels Parker used.





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[Drew Hause]

1. Robert Mushet's "Titanic Steel" was an early titanium alloy; different stuff.

2. Lefever and the other U.S. makers used Krupp Fluss Stahl but the composition may well have changed pre-1900 vs. pre-WWI.

3. Parker Steel = Acid Bessemer Resulphurized Rephosphorized AISI 1109 Carbon Steel. Somewhat similar to Parker Decarbonized or "Plain" Steel.

4. Titanic, post-WWI Vulcan, and Trojan were essentially the same; AISI 1030 and 1035 Medium Carbon steels.
Titanic did have low levels of both nickel and chromium compared to the others, but it would not be an "alloy steel".

5. Pre-1900 Vulcan was AISI 1015 with a lower tensile strength than AISI 1030.

We should however have pre-1900, pre-WWI, and post-WWI samples of each.