||AISI 8620H is a common, carburizing alloy steel used for a variety of medium-strength applications including gears, camshafts, fasteners, and chains/chain pins. Flexibility in hardening treatments allow optimization of case/core properties.
Specific conditions for property data below: Single quenched and tempered: carburized at 925°C (1700°F) for 8 hrs., pot cooled, reheated to 845°C (1550°F), quenched in agitated oil, 230°C (450°F) temper. 1.9 mm case depth. Core properties.
||AFNOR 22 NCD 2, UNI 20 NiCrMo 2, JIS SNCM 21 H, JIS SNCM 21, B.S. 805 A 20, B.S. 805 H 20 (UK), B.S. 805 M 20 (UK), UNS G86220, ASTM A322, ASTM A331, SAE J404, SAE J770, DIN 1.6543, UNS H86200,ASTM A304, SAEJ1268, DIN 1.6523, AFNOR 20 NCD 2 (France)