Steel, Corrosion and Heat Resistant, Bars, Wire, and Forgings 13cr(0.30-0.40c) (SAE 51420f, 51420fse) Free-Machining, Grade

Standard:
Revised:
  • 1999-07-01
 
  • HISTORICAL Access the latest revision: AMS5620G
Publisher:
  • SAE International
Pages:
8
Scope:

This specification covers two types of corrosion and moderate heat resistant steel in the form of bars, wire, forgings, and forging stock.

These products have been used typically for parts on which the amount of machining warrants use of free-machining grade of steel and requiring hardness within the range of 40 to 50 HRC with corrosion resistance and oxidation resistance up to 1000 degrees F (538 degrees C), but useful at the higher temperatures only when stresses are moderately low, but usage is not limited to such applications. Certain design and processing procedures may cause these products to become susceptible to stress-corrosion cracking. ARP1110 recommends practices to minimize such conditions.

History:
Standard Published Revision Status
AMS5620G 2012-04-11 Latest Reaffirmed
1999-07-01 Historical Revised
1993-10-01 Historical Reaffirmed
1983-07-01 Historical Revised
1976-07-01 Historical Revised
1952-06-01 Historical Revised
1950-06-01 Historical Revised
1945-07-01 Historical Issued
AKA:
  • SAE AMS 5620
Sector:
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