Nitronic 50 austenitic stainless steel balls are distinguished by their excellent corrosion resistance and their stable mechanical properties even at extreme temperatures. This material is ideal when exceptional performance is required and does not lose its characteristics even after deformation treatment. With stock available in France, Marteau- Lemarie offers technical expertise and personalized advice for over 40 years.
Chemical composition of nitronic alloy ball 50
| Element | C | If | Mn | P | S | Cr | Neither | Mo | N | Nb | V |
|---|---|---|---|---|---|---|---|---|---|---|---|
| % | 0.060 max | 1.00 max | 4,00-6,00 | 0.040 max | 0.030 max | 20,50-23,50 | 11,50-13,50 | 1,50-3,00 | 0,200-0,400 | 0,10-0,30 | 0,10-0,30 |
Physical characteristics of nitronic 50 alloy ball
| Ownership | Value | Unit |
|---|---|---|
| Density | 7.88 | g/cm3 |
| Young Module | 196 | GPA |
| Thermal expansion coefficient | 15.4 (DT=0-100°C) | × 10−6 /°C |
| Thermal conductivity | 15.6 | W/m·K |
| Electrical resistivity | 820 | × 10 - 9 D·m |
| Specific heat | 500 | J/kg·K |
| Relative magnetic permeability | 1,003 | — |
| Magnetic behaviour | Paramagnetic | — |
Hardness and mechanical resistance of nitrite 50 alloy ball
| Ownership | Value | Unit |
|---|---|---|
| Hardness | 35-45 | HRC |
| Tensile failure load | 1050-1250 | MPa |
| Tensile failure load | 152-181 | MPa |
| Exercise temperatures | -196/630 | ° C |
| Exercise temperatures | -320,8/1166 | °F |
Available diameters and grades for nitrite 50 alloy ball
| Parameter | Value |
|---|---|
| Minimum diameter | 1 mm — 3/64′′′ |
| Maximum diameter | 100 mm — 4′′ |
| Grades available | G100-200-300-500-600-700-1000 |
| Precision standards | ISO 3290-1 / DIN 5401 / AFBMA |
Corrosion resistance of nitronic 50 alloy ball
Better than 300 series stainless steels, they have moderate resistance in phosphoric, sulphuric and hydrochloric acids, sodium hydroxide, seawater. Good resistance in acetic and nitric acids. May be subject to corrosion under load in hot chloride environments.
Applications of nitronic alloy ball 50
Special pumps and valves, distributors, naval instruments, pointes.





