Made from an austenitic alloy of nickel, chrome and iron, these balls offer a remarkable resistance to general and local corrosion, ideal for harsh industrial environments. Opt for this ball when you need increased durability in extreme conditions. Marteau- Lemarie ensures a stock available in France with over 40 years of expertise to advise you at best.
Chemical composition of the incoloy alloy ball 825
| Element | type | C | If | Mn | P | S | Cr | Neither | Mo | Cu | Ti | Al | Fe |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| % | N08825 | 0.050 max | max. 0.50 | 1.00 max | 0.020 max | 0.030 max | 19,50-23,50 | 38,00-46,00 | 2,50-3,50 | 1,50-3,00 | 0,60-1,20 | 0.20 max | 22.00 min |
Physical characteristics of the incoloy alloy ball 825
| Ownership | Value | Unit |
|---|---|---|
| Density | 8.14 | g/cm3 |
| Young Module | 196 | GPA |
| Thermal expansion coefficient | 14.1 (DT=0-100°C) | × 10−6 /°C |
| Thermal conductivity | 11.2 | W/m·K |
| Electrical resistivity | 1130 | × 10 - 9 D·m |
| Specific heat | 440 | J/kg·K |
| Relative magnetic permeability | 1,005 | — |
| Magnetic behaviour | Paramagnetic | — |
Hardness and mechanical strength of incoloy 825 alloy ball
| Ownership | Value | Unit |
|---|---|---|
| Hardness | 25-30 | HRC |
| Tensile failure load | 850-950 | MPa |
| Tensile failure load | 123-138 | psix10^3 |
| Exercise temperatures | -196/540 | ° C |
| Exercise temperatures | -320,8/1004 | °F |
Available diameters and grades for incoloy 825 alloy ball
| Parameter | Value |
|---|---|
| Minimum diameter | 1 mm — 3/64′′′ |
| Maximum diameter | 100 mm — 4′′ |
| Grades available | G50-100-200-500 |
| Precision standards | ISO 3290 / AFBMA |
Corrosion resistance of the incoloy 825 alloy ball
Excellent corrosion resistance in contact with both oxidizing and reducing agents such as chloride ions, phosphoric, nitric and sulphuric acids, sodium and potassium hydroxide, hydrochloric acid, sea water.
International standards of incoloy alloy ball 825
| ITA | USA (AISI) | DIN (GER) | AFNOR (FRA) | UK | GOST (RUS) | GB (CHN) | JIS (JPN) |
|---|---|---|---|---|---|---|---|
| – | N08825 | 2.4858 | CN 21 FeDU | NA 16 | – | – | – |
Applications of the incoloy 825 alloy ball
Special valves for the chemical industry.
