8620 steel has high hardenability without temper brittleness. It is also called DIN 1.6523 and JIS SNCM220 steel. It also has good weldability, little tendency to form cold cracks, and good machinability and cold strain plasticity. It is used to make 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 |
1.6523 Steel Chemical Composition
| Stand |
C (%) |
Si (%) |
Mn(%) |
P (%) |
S (%) |
Cr (%) |
Mo (%) |
Ni (%) |
| ASTM A29/A29M-05 |
0.18-0.23 |
0.15-0.35 |
0.70-0.90 |
≤0.035 |
≤0.040 |
0.40-0.60 |
0.15-0.25 |
0.40-0.70 |
| EN 10084-2008 |
0.17-0.23 |
0.40 |
0.65-0.95 |
≤0.025 |
≤0.035 |
0.35-0.70 |
0.15-0.25 |
0.40-0.70 |
| JIS G4053-2008 |
0.17-0.23 |
0.15-0.35 |
0.60-0.90 |
Max0.030 |
Max0.030 |
0.40-0.60 |
0.15-0.25 |
0.40-0.70 |
| ISO 683/11:1987 |
0.17-0.23 |
0.15-0.40 |
0.65-0.95 |
≤0.035 |
≤0.035 |
0.30-0.65 |
0.15-0.25 |
0.40-0.70 |
1.6523 Steel Physical Properties
| Properties |
Metric |
Imperial |
| Density |
7.85 g/cm³ |
0.284 lb/in³ |
1.6523 Steel Mechanical Properties
| Mechanical Properties |
Metric |
Imperial |
| Tensile strength |
530 MPa |
142140 psi |
| Yield strength |
385 MPa |
113860 psi |
| Elastic modulus |
190-210 GPa |
27557-30458 ksi |
| Bulk modulus (typical for steel) |
140 GPa |
20300 ksi
|
| Shear modulus (typical for steel) |
80 GPa |
11600 ksi
|
| Poisson’s ratio |
0.27-0.30 |
0.27-0.30
|
| Izod Impact |
115 J |
84.8 ft.lb
|
| Hardness, Brinell |
149 |
149
|
| Hardness, Knoop (converted from Brinell hardness) |
169 |
169
|
| Hardness, Rockwell B (converted from Brinell hardness) |
80 |
80
|
| Hardness, Vickers (converted from Brinell hardness) |
155 |
155
|
| Machinability (hot rolled and cold drawn, based on 100 machinability for AISI 1212 steel) |
65 |
65
|
1.6523 Steel Characteristics
1.It is a low alloy nickel, chromium, molybdenum case hardening steel.
2.It has good external and internal strength, so there with high wear-resistant.
3.It is usually used to make many medium-strength tools.
8620 Steel Round Bar Plate Sheet Supply Range
Round Bar
Specification: diameter: 16mm – 800mm; length: 2000mm-5000mm
Surface: Black Surface/Bright Surface/ Grinded/Peeled/Turned
Sheet/Plate/Slab
Specification: thickness: 16-800mm; width: 205mm-810mm; length: 2000mm-5000mm
Surface: Black Surface/Bright Surface/ Grinded/Peeled/Turned
We have our own cutting and processing equipment. Specifications can be cut and customized according to your requirements.
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