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ISO ASTM A866 Seamless Cold Drawn Steel Tube For Bearing Ring
Medium Carbon Anti-Friction Bearing Steel
Size:
Application: It is used in manufacture of anti-friction bearings
| Chemical Composition | |||||||
| AISI/SAE | C | Mn | Si | Cr | Mo | V | UNS |
| 1030 | 0.28-0.34 | 0.60-0.90 | 0.15-0.35 | … | … | … | 10300 |
| 1040 | 0.37-0.44 | 0.60-0.90 | 0.15-0.35 | … | … | … | 10000 |
| 1050 | 0.48-0.55 | 0.60-0.90 | 0.15-0.35 | … | … | … | 10600 |
| 1541 | 0.36-0.44 | 1.35-1.65 | 0.15-0.35 | … | … | … | 15410 |
| 1552 | 0.47-0.55 | 1.20-1.50 | 0.15-0.35 | … | … | … | 16620 |
| 4130 | 0.28-0.33 | 0.40-0.60 | 0.15-0.35 | 0.80-1.10 | 0.15-0.25 | … | 41300 |
| 4140 | 0.38-0.43 | 0.75-1.00 | 0.15-0.35 | 0.80-1.10 | 0.15-0.25 | … | 41400 |
| 4150 | 0.48-0.53 | 0.75-1.00 | 0.15-0.35 | 0.80-1.10 | 0.15-0.25 | … | 41600 |
| 5140 | 0.38-0.43 | 0.70-0.90 | 0.15-0.35 | 0.70-0.90 | … | … | 51400 |
| 5150 | 0.48-0.53 | 0.70-0.90 | 0.15-0.35 | 0.70-0.90 | … | … | 51600 |
| 6150 | 0.48-0.53 | 0.70-0.90 | 0.15-0.35 | 0.80-1.10 | … | .15min | 51600 |
| Dimensional Tolerances for cold-finished coils | |
| Size,in.(mm) | Total Tolerance,in.(mm) |
| Through 0.096(2.44) | 0.002(0.05) |
| Over 0.096(2.44)-0.270(6.86),incl | 0.003(0.08) |
| Over 0.270(6.86)-0.750(19.1),incl | 0.004(0.10) |
| Decarburrization and surface imperfections for coils anf bars for balls and rollers | ||
| size,in.(mm) | Decarburization or Surface Imperfections per Side,max,in.(mm) | |
| Hot-Rolled or Hot Rolled Annealed | Cold-Finished Annealed | |
| Through 0.250(6.35) | 0.005(0.13) | 0.003(0.08) |
| Over 0.250(6.35)-0.500(12.7),Incl | 0.006(0.15) | 0.004(0.10) |
| Over 0.500(12.7)-0.750(19.1),Incl | 0.008(0.20) | 0.006(0.15) |
| Over 0.750(19.1)-1.000(25.4),Incl | 0.010(0.25) | 0.008(0.20) |
| Decarburization and Surface Imperfections for Bars and Tubes | |||||
| size,In.(mm) | Decarburization or Surface Imperfections per Side,Max,in.(mm) | ||||
| Hot-Rolled bars | Hot-Rolled Annealed | Cold-Finished Annealed | |||
| Bars | Tubes | Bars | Tubes | ||
| Through 1.000(25.4) | 0.012(0.31) | 0.015(0.38) | 0.012(0.31) | 0.012(0.31) | 0.010(0.21) |
| Over 1.000(25.4)-2.000(50.8),Incl | 0.017(0.43) | 0.022(0.56) | 0.020(0.51) | 0.015(0.38) | 0.014(0.36) |
| Over 2.000(50.8)-3.000(76.2),Incl | 0.025(0.64) | 0.030(0.76) | 0.030(0.76) | 0.025(0.64) | 0.019(0.48) |
| Over 3.000(76.2)-4.000(101.6),Incl | 0.035(0.89) | 0.045(1.14) | 0.035(0.89) | 0.024(0.61) | |
| Over 4.000(101.6)-5.000(127.0),Incl | 0.055(1.40) | 0.065(1.65) | 0.040(1.02) | 0.028(0.71) | |
| Inclusion Rating | |
| Rating Units | |
| Thin Series | Heavy Series |
| A-2.5 | A-1.5 |
| B-2.0 | B-1.0 |
| C-1.0 | C-1.0 |
| D-1.5 | D-1.0 |
