Product Description
SAE 8620 / AISI 8620H Gear Alloy Steel Round Bar / Alloy Steel SAE 8620
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.
1.SAE 8620H / SAE 8620Steel Equivalent and chemical composition
2.Supplied Sizes for SAE 8620H steel round bars
3.SAE 8620 Steel Applications
The AISI 8620 can be used for a number of medium-strength applications such as camshafts,
fasteners, gears, and chains/chain pins.
4.SAE 8620 Steel mechanical property
5.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
6.Payment terms: T/T or L/ C
(1)30% paid by T/T and rest 70% by T/T upon the copy of B/B.
(2)100% irrevocable L/C at sight
7.MOQ:5tons
8.Delivery time:7-30 days upon to the order details
9.Trade term: FOB CFR CIF EXW ETC.
10.Port of loading:Qingdao , China
11. Mark: including steel material, heat No., pieces, weight, date and so on.
SAE 8620H Gear alloy steel round bar / Alloy steel SAE 8620
SAE 8620H Gear alloy steel round bar / Alloy steel SAE 8620
SAE 8620H Gear alloy steel round bar / Alloy steel SAE 8620
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.
1.SAE 8620H / SAE 8620Steel Equivalent and chemical composition
| Standard | Grade | C | Cr | Ni | Mo | Si | Mn | P | S |
| GB/T 5216 | 20CrNiMoH | 0.17-0.23 | 0.35-0.65 | 0.35-0.75 | 0.15-0.25 | 0.17-0.37 | 0.6-0.95 | 0.035 | 0.035 |
| JIS G4052 | SNCM220H | 0.17-0.23 | 0.35-0.65 | 0.35-0.75 | 0.15-0.25 | 0.15-0.35 | 0.6-0.95 | 0.03 | 0.03 |
| ASTM A304 | 8620H | 0.17-0.23 | 0.35-0.65 | 0.35-0.75 | 0.15-0.25 | 0.15-0.35 | 0.65-0.95 | 0.025 | 0.025 |
| EN10084 | 20NiCrMo2 | 0.17-0.23 | 0.35-0.7 | 0.4-0.7 | 0.15-0.25 | 0.4 | 0.65-0.95 | 0.035 | 0.035 |
2.Supplied Sizes for SAE 8620H steel round bars
| Delivery condition | Diameter ranges |
| Hot rolled | M12-M310 |
| Hot rolled+Q&T(Quenched and tempered) | M12-M310. |
| Cold drawn +Q&T(Quenched and tempered) | M10-M100 |
| Peeled / Peeled+Q&T | M10-M100 |
| Forged/Forged+Heat treatment. | M250-M1000 |
3.SAE 8620 Steel Applications
The AISI 8620 can be used for a number of medium-strength applications such as camshafts,
fasteners, gears, and chains/chain pins.
4.SAE 8620 Steel mechanical property
| 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 |
5.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
6.Payment terms: T/T or L/ C
(1)30% paid by T/T and rest 70% by T/T upon the copy of B/B.
(2)100% irrevocable L/C at sight
7.MOQ:5tons
8.Delivery time:7-30 days upon to the order details
9.Trade term: FOB CFR CIF EXW ETC.
10.Port of loading:Qingdao , China
11. Mark: including steel material, heat No., pieces, weight, date and so on.
SAE 8620H Gear alloy steel round bar / Alloy steel SAE 8620
SAE 8620H Gear alloy steel round bar / Alloy steel SAE 8620
SAE 8620H Gear alloy steel round bar / Alloy steel SAE 8620