Quantcast Table 2-1. Metals Preheating Chart -Cont. - p4330075

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TABLE 2-1. Metals Preheating Chart (Continued)
Recommended
Metal
Metal
Preheat
Designation
Group
900F-1100F
SAE 3325 Steel
MEDIUM NICKEL
900F-1100F
SAE 3435 Steel
CHROMIUM STEELS
900F-1100F
SAE 3450 Steel
600F-800F
SAE 4140 Steel
MOLY BEARING
700F-900F
SAE 4340 Steel
CHROMIUM
400F-600F
SAE 4615 Steel
and
500F-700F
SAE 4630 Steel
CHROMIUM NICKEL
600F-800F
SAE 4640 Steel
STEELS
600F-800F
SAE 4820 Steel
400F-600F
2% Cr. - 1/2% Mo. Steel
LOW CHROME (Cr)
500F-800F
2% Cr. - l/29% Mo. Steel
MOLY (Me) STEELS
500F-700F
2% Cr. - 1% Mo. Steel
600F-800F
2% Cr. -1% Mo. Steel
2-9





 


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