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 TABLE 2-1. Metals Preheating Chart (Continued)
Metal
Metal
Recommended
Designation
Preheat
Group
Manganese Moly Steel
300F-500F
HIGH
TENSILE
400F-600F
Jalten Steel
Manten Steel
400F-600F
STEELS
Armco High Tensile Steel
Up to 200F
Double Strength #1 Steel
300F-600F
Double Strength #1 Steel
400F-700F
Mayari R Steel
Up to 300F
200F-400F
Otiscoloy Steel
Nax High Tensile Steel
Up to 300F
300F-400F
Cromansil Steel
A. W. Dyn-El Steel
Up to 300F
Corten Steel
200F-400F
Chrome Copper Nickel Steel
200F-400F
Chrome Manganese Steel
400F-600F
Yoloy Steel
200F-600F
Hi-Steel
200F-500F
2-7
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