AISI 8620 Cold Drawn Bright Steel Round Bar / Cold Drawn Steel 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.AISI 8620 / 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 SAISI 8620 steel round bars
Delivery condition |
Diameter ranges |
Hot tolled |
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.AISI 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.AISI 8620Steel 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.
AISI 8620 Cold Drawn Bright Steel Round Bar / Cold Drawn Steel 8620
AISI 8620 Cold Drawn Bright Steel Round Bar / Cold Drawn Steel 8620
AISI 8620 Cold Drawn Bright Steel Round Bar / Cold Drawn Steel 8620