AISI 8620 Steel, single quenched and tempered (230C (450F)), carburized


Subcategory: AISI 8000 Series Steel; Ferrous Metal; Low Alloy Steel; Low Carbon Steel; Metal

Close Analogs: AISI 8620H

Key Words: AFNOR 22 NCD 2, UNI 20 NiCrMo 2, JIS SNCM 21 H, JIS SNCM 21, B.S. 805 H 20 (UK), B.S. 805 M 20 (UK), MIL SPEC MIL-S-16794, SAE J404, SAE J770, DIN 1.6523, AFNOR 20 NCD 2 (France), UNS G86200, AMS 6274, AMS 6276, AMS 6277, ASTM A322, ASTM A331, ASTM A505, ASTM A530

Component   Wt. %
C0.18 - 0.23 
Cr0.4 - 0.6 
Fe96.9 - 98.02 
Component   Wt. %
Mn0.7 - 0.9 
Mo0.15 - 0.25 
Ni0.4 - 0.7 
Component   Wt. %
PMax 0.035 
SMax 0.04 
Si0.15 - 0.35 

Material Notes:
Single quenched and tempered: carburized at 925C (1700F) for 8 hrs., pot cooled, reheated to 845C (1550F), quenched in agitated oil, 230C (450F) temper. 1.9 mm case depth. Core properties.

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