Designed in treated martensitic stainless steel, these balls ensure excellent hardness, increased resistance to wear and corrosion. Ideal for applications requiring robustness and reliability, they are available in hardened and passive condition. With over 40 years of expertise, Marteau-Lemarie offers a quickly accessible stock in France.
Chemical composition of AISI 420C stainless steel ball
| Element | C | If | Mn | P | S | Cr |
|---|---|---|---|---|---|---|
| % | 0,43-0,50 | 1.00 max | 1.00 max | 0.040 max | 0.030 max | 12,50-14,50 |
Physical characteristics of AISI 420C stainless steel ball
| Ownership | Value | Unit |
|---|---|---|
| Density | 7.75 | g/cm3 |
| Young Module | 205 | GPA |
| Thermal expansion coefficient | 10.4 (DT=0-100°C) | × 10−6 /°C |
| Thermal conductivity | 27.6 | W/m·K |
| Electrical resistivity | 720 | × 10 - 9 D·m |
| Specific heat | 450 | J/kg·K |
| Relative magnetic permeability | > 600 | — |
| Magnetic behaviour | Not soaked | — |
Hardness and mechanical strength of AISI 420C stainless steel ball
| Ownership | Value | Unit |
|---|---|---|
| Hardness | 52-60 | HRC |
| Tensile failure load | 1700-1900 | MPa |
| Tensile failure load | 250-275 | psix10^3 |
| Exercise temperatures | 0/400 | ° C |
| Exercise temperatures | 32/752 | °F |
Available diameters and grades for AISI 420C stainless steel ball
| Parameter | Value |
|---|---|
| Minimum diameter | 0.3 mm — 1/64′′ |
| Maximum diameter | 300 mm — 12′′ |
| Grades available | See International Standards |
| Precision standards | ISO 3290-1 / DIN 5401 / AFBMA |
Corrosion resistance of AISI 420C stainless steel ball
Good in industrial atmospheres, fresh water, steam, alcohol, ammonia, many petroleum products and organic substances, dairy products, slightly acidic environments. Quite good in food environments and alkaline solutions. Low in saline atmospheres. Do not resist contact with seawater and strong acids (even diluted).
International standards for AISI 420C stainless steel ball
| ITA | USA (AISI) | DIN (GER) | AFNOR (FRA) | UK | GOST (RUS) | GB (CHN) | JIS (JPN) |
|---|---|---|---|---|---|---|---|
| X46Cr13 | 420C | 1.4034 | Z 34 C 14 | – | 40 Kh 13 | 4Cr13 | – |
Applications of AISI 420C stainless steel ball
Special ball bearings, anti-friction, special valves, ball recirculation screws, lighters, ball pens.
