Alloy steel SAE 8620 / SAE 8620H Mechanical properties
AISI 8620 alloy steel is a common, carburizing alloy steel. This alloy steel is flexible during hardening treatments, thus enabling improvement of case/core properties. The following datasheet will provide more details about AISI 8620 alloy steel.
Alloy steel SAE 8620 / SAE 8620H Mechanical properties
1.SAE 8620 Chemical composition
| Component |
Wt. % |
Component |
Wt. % |
Component |
Wt. % |
| C |
0.18 - 0.23 |
Mn |
0.7 - 0.9 |
P |
Max 0.035 |
| Cr |
0.4 - 0.6 |
Mo |
0.15 - 0.25 |
S |
Max 0.04 |
| Fe |
96.9 - 98.02 |
Ni |
0.4 - 0.7 |
Si |
0.15 - 0.35 |
2.Mechenical properties:of SAE 8620H
| Properties |
Metric |
Imperial |
| Tensile strength |
530 MPa |
76900 psi |
| Yield strength |
385 MPa |
55800 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 |
| Elongation at break (in 50 mm) |
31 |
31 |
| Reduction of area |
31 |
31 |
| 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 (annealed and cold drawn, based on 100 machinability for AISI 1212 steel) |
65 |
65 |
3.Sizes for SAE 8620H alloy steel bars:
Diameter 16mm to 150mm
4.Delivery condition : Hot rolled, cold drawn, Heat treated (annealed, Q&T,Normalized ...)
5.MOQ:3tons / one bundle
6.Delivery time: 7-30 days upon to the sizes and quantity.
7.Quality control:
1.Processing Line:
Iron - hot metal pretreatment - Converter - Refining --VD / RH- - Continuous Casting - Hot Rolling (KOCKS) - heat --UT Check - Processing and Distribution Center
Electric Furnace - Refining --VD / RH- - Continuous Casting - Hot Rolling (KOCKS) - heat --UT Check - Processing and Distribution Center
2.Gas content level:O2 - <20 ppm H2 - <2 ppm N2- <100 ppm
3.Grain Sizes:5-8
4. non-metallic inclusions contorlling level
| |
A |
B |
C |
D |
| |
MAX |
MAX |
MAX |
MAX |
| Thin |
2 |
2 |
2 |
2 |
| Thick |
1 |
1 |
1 |
1 |
Alloy steel SAE 8620 / SAE 8620H Mechanical properties
Alloy steel SAE 8620 / SAE 8620H Mechanical properties
Alloy steel SAE 8620 / SAE 8620H Mechanical properties
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