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Precision Steel Warehouse, Inc.
Your Flat Rolled Steel Specialist

AISI 1074 SAE

 1074 Spring Steels are tempered spring steels that looks and acts much like blue tempered steels.The difference being that scaleless tempered is of medium high carbon, has been tempered and has better forming qualities. Below is the heat treatment, properties, and technical data for AISI 1074 spring steel.

 

 

Formed Springs Requiring Heat Treatment
AISI - 1074 - SAE
Normal Temp 1550° - 1650° F.
Anneal Temp 1400° - 1500° F.
Hard Temp 1475° - 1550° F.
Oil Quench Rc 64

 

Rockwell Drawing Temp. *
AISI - 1074 - SAE
400° F 600° F 700° F 800° F 900° F 1000° F 1100° F 1200° F
Rc 59 Rc 53 Rc 47 Rc 44 Rc 40 Rc 36 Rc 32 Rc 26

 

Tensile PSI Drawing Temp. *
AISI - 1074 - SAE
400° F 600° F 700° F 800° F 900° F 1000° F 1100° F 1200° F
305,000 255,000 230,000 205,000 182,000 162,000 140,000 122,000

* The proper drawing range and time cycles should be determined by experiment calculated to develop those properties best suited for intended end usage.

Special Note - These temperature ranges and their resultant values are given as information only and not to be followed without experimentation. However, as these steels are held to close uniformity tolerances little difficulty should be experienced.

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