The AISI T15 steel balls are characterized by their exceptional hardness and remarkable resistance to abrasion, even under intense heat conditions. They are ideal for applications requiring increased performance in terms of durability, although they have limited tenacity and are not suitable for operations subject to shocks. Marteau-Lemarie, with over 40 years of expertise, guarantees a stock available in France for fast delivery.
Chemical composition of AISI T15 steel ball
| Element | C | If | Mn | Cr | Mo | Co | V | W |
|---|---|---|---|---|---|---|---|---|
| % | 1,50-1,60 | 0,15-0,40 | 0,15-0,40 | 3,75-5,00 | 1.00 max | 4,75-5,25 | 4,50-5,25 | 11,75-13,00 |
Physical characteristics of steel ball for AISI T15 utensils
| Ownership | Value | Unit |
|---|---|---|
| Density | 8.3 | g/cm3 |
| Young Module | 218 | GPA |
| Thermal expansion coefficient | 9.5 (DT=0-100°C) | × 10−6 /°C |
| Thermal conductivity | 20 | W/m·K |
| Electrical resistivity | 650 | × 10 - 9 D·m |
| Specific heat | 461 | J/kg·K |
| Relative magnetic permeability | > 500 | — |
| Magnetic behaviour | Ferromagnetic | — |
Hardness and mechanical strength of steel ball for AISI T15 utensils
| Ownership | Value | Unit |
|---|---|---|
| Hardness | 63-68 | HRC |
| Tensile failure load | 3000-3500 | MPa |
| Tensile failure load | 435-507 | psix10^3 |
| Exercise temperatures | -40/540 | ° C |
| Exercise temperatures | -40/1004 | °F |
Available diameters and grades for AISI T15 steel ball
| Parameter | Value |
|---|---|
| Minimum diameter | 1 mm — 3/64′′′ |
| Maximum diameter | 150 mm — 6′′′ |
| Grades available | See International Standards |
| Precision standards | ISO 3290-1 / DIN 5401 / AFBMA |
Corrosion resistance of steel ball for AISI T15 utensils
T15 balls have a corrosion resistance slightly higher than M50 steel.
International standards for steel ball for AISI T15 utensils
| ITA | USA (AISI) | DIN (GER) | AFNOR (FRA) | UK | GOST (RUS) | GB (CHN) | JIS (JPN) |
|---|---|---|---|---|---|---|---|
| I30505 KU | T15 | 1.3202 | Z160 WKCV | BT 15 | – | W12Cr4V5Co5 | SKH10 |
Applications of steel ball for AISI T15 utensils
Special bearings when excellent high temperature abrasion resistance properties are required.
