UNS: S42000
EN-DIN: 1.4021
420 Stainless Steel Alloy
420 Stainless Steel Strip, Coil & Sheet
- AMS 5506
- ASTM A240
Our wide capabilities give us a unique ability to supply all of your 420 stainless steel strip, coil, and sheet needs.
description
420 Stainless Steel Alloy Description:
Type 420 is a martensitic stainless steel that has good corrosion resistance with increased strength and hardness compared to Type 410. Maximum corrosion resistance is attained in the fully hardened condition. The alloy is magnetic in both the annealed and hardened conditions.
applications
420 Stainless Steel Alloy Uses & Applications:
Applications include:
- Dental and surgical instruments
- Cutlery
- Scissors
Industries supplied include:
Nominal Composition
| C | Mn | P | S | Si | Cr | Ni | Mo | Fe | |
|---|---|---|---|---|---|---|---|---|---|
| MIN | 0.15 | – | – | – | – | 12.0 | – | – | BAL |
| MAX | 0.40 | 1.00 | 0.040 | 0.030 | 1.00 | 14.0 | 0.75 | 0.50 | – |
Physical Properties
| At 70°F | At 20°C | |
|---|---|---|
| Density | 0.28 lb./in³ | 7.74 g/cm³ |
| Modulus of Elasticity (E) | 29.0 x 10³ ksi | 200 GPa |
| Coefficient of Expansion | 5.7 µin/in-°F (32-212°F) | 10.2 μm/m-°C (0-100°C) |
| Electrical Resistivity | 21.71 μ ohm.in | 55 μ ohm.cm |
| Thermal Conductivity | 14.4 Btu-in./ft.²hr.-°F (212°F) | 24.9 W/m-K (100°C) |
TYPICAL ROOM TEMPERATURE MECHANICAL PROPERTIES
Typical Mechanical Properties
Typical mechanical properties are based on ASTM A240. For further information, Contact us.
| Condition | Tensile Strength Min (UTS) | 0.2% YS Min | Elongation% in 2” Min (50.8 mm) | Hardness Rockwell |
|---|---|---|---|---|
| Annealed | 85 ksi (MPa) | 45 ksi (MPa) | 25% | 88 HRBW |
Limitation of Liability and Disclaimer of Warranty:
- The content in these data sheets is provided primarily by third-party melting mills and is provided for reference only. It is not intended for engineering or design.
- Applications may be discussed, however, Combined Metals Company, LLC, does not recommend or endorse any material for any particular end use or application.
- The data included in this data sheet are typical values and may vary.
- Combined Metals Company, LLC, makes no representations or warranties, express or implied, as to the accuracy, completeness, condition, suitability, performance, fitness for a particular purpose, or merchantability of any information contained in any data sheet.
In no event will Combined Metals Company, LLC, be liable for any damages whatsoever arising from the use of the information included in the data sheets.
Combined Metals: Who We Are
Combined Metals Company (formerly Combined Metals of Chicago ) processes and distributes over 75 alloys of precision strip and wire. Our precision rolling mills, drawing mills, and extensive network of independent North American service centers, support thousands of customers in many industries including Aerospace, Automotive, Chemical, Consumer, Defense, Electronics, Medical, Oil/Gas, and Power Generation, worldwide.
HELPFUL TOOLS
Coil Calculator
Choose a calculator to find coil weights, coil OD’s, coil footage, and PIW.
PIW & Footage
Weight & Footage
Weight & PIW
The Combined Metals Family of Companies
Explore Our Companies
get in touch
Questions? Contact Our Experts Today.
The Combined Metals Company mission is to safely produce and distribute the best value and the highest quality engineered stainless steel coil and sheet, specialty alloy strip, foil, and wire products and to deliver those products to customers around the world. Give us a call at (800) 323-0758 or fill out the form.
*denotes a required field.