SAE 8620 Alloy Steel
Grade Introduction:
SAE 8620 steel Bright bar is a common low nickel-chromium-molybdenum steel. It is a case hardening carburizing alloy steel. This alloy steel is flexible during hardening treatments, thus enabling improvement of case/core properties. It is usually supplied in as rolled condition but can also be supplied in bright bar form.
Grade Application
SAE 8620 steel material is used extensively by all industry sectors for light to medium stressed components and shafts requiring high surface wear resistance with reasonable core strength and impact properties.
The SAE 8620 can be used for several medium-strength applications such as camshafts, fasteners, gears, bearings, bushing, camshafts, differential pinion, guide pins, king pins, piston pins ratchets, chains/chain pins and other applications where it is helpful to have a steel that can be readily machined and carburized to controlled case depths.
Equivalent Grades
USA |
DIN |
BS |
BS |
JAPAN |
ASTM A29 |
DIN 1654 |
EN 10084 |
BS 970 |
JIS G4103 |
8620 |
1.6523/21NiCrMo2 |
1.6523/21NiCrMo2-2 |
805M20 |
SNCM220 |
Addition to other grades
MS, EN1A, EN3B, EN8, EN8D, EN9, EN19, EN24, EN31, EN32B, EN36C, EN41B, EN43B, EN47, EN353, IS2062, 42Crmo4, HCHCR, D2, D3, H-11, H-13, CW-1, OHNS, M2, M35, M42, DIN1.2714, P20, P20+S, P20+Ni, SCM420, ASTMSA-36, ASTMSA-105, SAE1018, SAE4140, SAE8620, 16MNCR5, 20MNCR5, C20, C45, C50, C60, CK45, 20C8, 40C8, 45C8, 55C8, C55MN75, SAE52100, S40C, S355J2G3.
Our Supply Range
We supply to automotive ancillaries and OEM customers. The products we manufacture are used as input for manufacturing of automotive and general engineering components. These components are further assembled into systems fitted in automobiles and other engineering applications.
| Supply Condition | SECTION | Size (MM) | |
|---|---|---|---|
| Min | Max | ||
| Cold Drawn | Round | Ø8 | Ø70 |
| Hexagon | 8 A/F | 27 A/F | |
| Centerless Peeled | Round | Ø10 | Ø70 |
| Centerless Ground | Round | Ø8 | Ø70 |
Chemical Properties
The following table shows the chemical composition of SAE8620 steel:
Standard |
Grade |
C |
Mn |
P |
S |
Si |
Ni |
Cr |
Mo |
ASTM A29 |
8620 |
0.18-0.23 |
0.7-0.9 |
0.035 |
0.040 |
0.15-0.35 |
0.4-0.7 |
0.4-0.6 |
0.15-0.25 |
DIN 1654 |
1.6523/21NiCrMo2 |
0.17-0.23 |
0.65-0.95 |
0.035 |
0.035 |
≦0.40 |
0.4-0.7 |
0.4-0.7 |
0.15-0.25 |
EN 10084 |
1.6523/21NiCrMo2-2 |
0.17-0.23 |
0.65-0.95 |
0.025 |
0.035 |
≦0.40 |
0.4-0.7 |
0.35-0.70 |
0.15-0.25 |
JIS G4103 |
SNCM220 |
0.17-0.23 |
0.6-0.9 |
0.030 |
0.030 |
0.15-0.35 |
0.4-0.7 |
0.4-0.65 |
0.15-0.3 |
BS 970 |
805M20 |
0.17-0.23 |
0.6-095 |
0.040 |
0.050 |
0.1-0.4 |
0.35-0.75 |
0.35-0.65 |
0.15-0.25 |
Supply Cities
Ambattur, Bangalore, Chennai, Coimbatore, Dindigul, Guindy, Madurai, Nellore, Hyderabad, Tirupur, Tuticorin, Madurai, Andhra Pradesh, Karnataka, Puducherry, Kerala, Kanyakumari, Telangana, Salem, Thanjavur, Trichy, Erode, Vellore, Karur, Nagercoil, Kanchipuram, Karaikudi, Pudukottai, Nagapattinam.
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