Alloy 420F
Technical Data Sheet
Alloy 420F is a free-machining hardenable steel that is generally used in parts that require high hardness and good corrosion resistance. Alloy 420F is easy to machine, grind and polish and is used in many different applications from pump shafts, screw machines, cams, pivots, gears etc. Alloy 420F is not recommended for vessels containing gases or liquids under high pressure. 420F is supplied in either cold finished or hot finished bar in the annealed condition (hardness 241HB max).
| Chemical Composition Limits | |||||||||
| Weight% | C | Mn | Si | P | S | Cr | Se | Ni | Mo/Zr |
| Alloy 420F Type 1 |
0.30-0.40 | 1.25 | 1.00 | 0.060 | 0.030 | 12-14 | 0.18-0.35 | 0.10 | 0.60 |
| Alloy 420F Type 2 |
0.30-0.40 | 1.25 | 1.00 | 0.060 | 0.15-0.35 | 12-14 | - | 0.50 | 0.60 |
Availability
Grade 420F is available in Sheet, Bar (round), Wire, Billet, Rod. For all stock availability contact Sales.
Specifications
AMS 5620 Bars (free machining)
QQ-S-764
ASTM A582 /ASME SA582
ASTM A484 / ASME SA484
UNS S42020
For more information about Alloy 420F for use in medical applications, visit our medical division at www.ammedicalalloys.com
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Disclaimer
Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.
