AISI 8620 Steel Round Bar Sheet Plate, DIN 1.6523, JIS SNCM220


8620 steel has high hardenability without temper brittleness. It is also called DIN 1.6523 and JIS SNCM220 steel. Its good weldability, little tendency to form cold cracks, and good machinability and cold strain plasticity let it good for making gears, shafting, bolting, springs, hand tools and etc. 8620 steel round bar sheet plate properties and 8620 steel composition as below.

8620 Steel Grade Equivalent Chart

Country USA Germany/UK/France JAPAN ISO
Standard ASTM A29/A29M-05 EN 10084-2008 JIS G4053-2008 ISO 683/11:1987
Grades 8620 20NiCrMo2-2 (1.6523) SNCM220 20NiCrMo2

8620 Steel Mechanical Properties

Properties Metric Imperial
Tensile strength >980 MPa 142140 psi
Yield strength >785 MPa 113860 psi
Elongation at break >9% >9%
Reduction of area >40% >40%
Hardness ≤197HB ≤197HB
Quality control: 100% UT (Ultrasonic Testing), UT Standard is SEP 1921-84 C/c.

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