SAE 8620
Alloy Steel Bar
AISI, ASTM, GB, JIS, DIN, BS
Hot Rolled
Structural Steel Bar, Tool Steel Bar, Die Steel Bar, Gear Steel
Alloy
Gears
SAE 8620
Hot Rolled, Cold Drawn, Heat Treated
3tons
Standard Sea Worthy
16mm to 150mm
China
72283090
Product Description
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
2.Mechenical properties:of SAE 8620H
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











Alloy steel SAE 8620 / SAE 8620H Mechanical properties
Alloy steel SAE 8620 / SAE 8620H Mechanical properties
Alloy steel SAE 8620 / SAE 8620H Mechanical properties
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