Product Details:
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OD: | 6-500mm | Surface: | Black And Bright |
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Length: | 3-12m | Condition: | Heat Treatment |
Type: | Hot Rolled | Alloy Or Not: | Is Alloy |
Technique: | Hot Rolled,Forged,Cold Drawn | Standard: | ASTM,DIN,AISI,JIS |
Diameter: | 12mm-650mm |
Steel Rectangular Bar SAE 8620 A+C AISI 8620 DIN 10278 DIN 1.6523 Recognized Cold Stretcted
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 |
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 |
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 |
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 (hot rolled and cold drawn, based on 100 machinability for AISI 1212 steel) | 65 | 65 |
Properties | Metric | Imperial |
Density | 7.85 g/cm3 | 0.284 lb/in³ |
Properties | Metric | Imperial |
Thermal conductivity | 46.6 W/mK | 323 BTU in/hr.ft².°F |
Forging Properties:
SAE 8620 alloy steel is forged at a start temperature of around 2250ºF (1230ºC) down to approximately 1700ºF(925ºC.) prior to the hardening heat treatment or carburizing. The alloy is air cooled after forging.
Contact Person: Mr. Gao Ben
Tel: +86-18068357371
Fax: 86-0510-88680060