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Posted: 2/21/2024 12:55:31 PM EDT
Can someone shine some light on the general prices of 1018 and 4140? My steel guy is saying is 4140 is about double the cost of 1018 on average, which seems strange to me.
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GA, USA
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Posted: 2/21/2024 5:30:37 PM EDT
[#1]
Depends on a few things. 1018 is plain vanilla low carbon steel that is usually only available in cold finish flats and rounds, it can only be surface hardened by introducing more carbon. 4140 contains sufficient carbon to be hardened directly, it also contains molybdenum and chromium. The additional cost is due to the alloying elements, it isn't quite double the cost on common sizes but close enough to say your supplier is in the ballpark.
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Posted: 2/21/2024 10:48:55 PM EDT
[Last Edit: MethaneMover]
[#2]
Last time I priced equal bars the 4140 was maybe 15% higher than the 1018.
Are you comparing the same finish and country of origin? Chinese CD1018 vs USA TGP4140 could be quite the difference. |
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MT, USA
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Posted: 2/29/2024 2:57:01 PM EDT
[#3]
Obviously depending on HF or cold rolled but I pay maybe 20% more for 41xx over 1018.
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ID, USA
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Posted: 3/4/2024 1:22:57 AM EDT
[#4]
Originally Posted By bandanabandit1: Can someone shine some light on the general prices of 1018 and 4140? My steel guy is saying is 4140 is about double the cost of 1018 on average, which seems strange to me. Call more than one steel supplier and see what others are charging in your area. . |
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Posted: 3/20/2024 8:00:29 PM EDT
[#5]
1018 is a mild steel and 4140 can be flame hardened get cherry red and quench in oil in figure 8 in the oil. The Mil uses a bit of 4140.
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Posted: 3/20/2024 8:29:33 PM EDT
[Last Edit: MethaneMover]
[#6]
Quote HistoryOriginally Posted By SnoGoRider: The Mil uses a bit of 4140. I'd say that 4140ph is the gold standard of steels. |
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