YT30 SINT
Print state · default condition
ISO P01
SINT = sintered
Standard as-sintered YT30 blanks, brazed tips and uncoated inserts for finish turning of steel.
Values for the SINT condition
Other YT30 tempers and conditions
YT30 is listed in 2 conditions; see the grade overview at YT30.
- HIP
- SINT
Compare all 2 conditionsHide
| Condition · open for datasheet | Best for | Yield MPa | Tensile MPa | Elong. % | Hardness | Conductivity |
|---|---|---|---|---|---|---|
Hot isostatic pressed | Choose when pore-free structure and the highest attainable transverse rupture strength/edge reliability are required. | — | 600 | 0 | 1,780 HV | 22 W/m·K |
SINTDefaultThis page Sintered | Standard as-sintered YT30 blanks, brazed tips and uncoated inserts for finish turning of steel. | — | — | — | 1,750 HV | 21 W/m·K |
What is YT30 SINT?
YT30 SINT is YT30 in the SINT condition — standard as-sintered YT30 blanks, brazed tips and uncoated inserts for finish turning of steel. The elastic modulus is 400 GPa (58 Msi). YT30 SINT has a density of 9.5 g/cm³ (0.343 lb/in³), heavier than 77% of ceramic grades.
Advantages
- Polishes to a fine finish — 90/100, better than 78% of ceramic grades
- Tough — resists crack growth — 7 MPa·√m (6.37 ksi·√in), better than 75% of ceramic grades
Limitations
- High embodied carbon — 28 kg CO₂/kg, worse than 84% of ceramic grades
- Heavy — 9.5 g/cm³ (0.343 lb/in³), worse than 77% of ceramic grades
YT30 SINT properties
Typical room-temperature values for YT30 SINT; 10 are specific to this condition. Other listed values are YT30 reference data and may not represent this condition. Bars are the position among ceramic grades.
Physical2
YT30 SINT has a density of 9.5 g/cm³ (0.343 lb/in³), heavier than 77% of ceramic grades.
Mechanical10
The elastic modulus is 400 GPa (58 Msi).
Thermal4
YT30 SINT is rated for continuous service to 1,000°C (1,832 °F). It conducts heat at 21 W/m·K (12.1 BTU/hr·ft·°F), worse than 52% of ceramic grades. Thermal expansion is 7 µm/m·K (3.89 µin/in·°F).
Electrical2
YT30 SINT has an electrical resistivity of 7×10⁻⁷ Ω·m.
Chemical & Environmental2
Corrosion resistance is good (58/100), worse than 72% of ceramic grades.
Sustainability4
Producing a kilogram of YT30 SINT takes about 340 MJ of energy and emits 28 kg of CO₂ — more than 80% of ceramic grades. Typical recycled content is 25%.
Manufacturability3
YT30 SINT's machinability is not recommended (4/100, worse than 85% of ceramic grades).
Common Calculations2
Values are nominal handbook figures for design screening. Confirm any required mill or lot documentation when quoting.
Working with YT30 SINT
Is YT30 easy to machine?
Not machinable by conventional tools — shaped by diamond grinding, wire/sinker EDM or green machining before sintering.
Can YT30 be welded?
Not fusion weldable; attached by silver/copper brazing (Ag-Cu-Zn or Cu-Mn with Ni-plated interlayer), keeping heating and cooling slow to avoid cracks.
Can YT30 be formed, bent or molded?
Made by powder pressing (uniaxial or CIP) or extrusion of WC-TiC-Co powder, then vacuum/sinter-HIP densification at ~1450–1500 °C with ~18–22 % linear shrinkage.
What surface finishes work on YT30?
Diamond wheel grinding, edge honing and diamond lapping give mirror surfaces; optional CVD/PVD TiN, TiCN or Al2O3 coatings for wear life.
YT30 chemical composition (wt %)
Limits by weight percent from the governing specification, written the way the spec states them — a single maximum for impurities, a range for alloying elements, and the base element as balance. Nominal is the typical mid-range value.
| Element | Spec limit (wt %) | Nominal |
|---|---|---|
| TiCtitanium carbide, may include small TaC/NbC additions | 28 – 32 | 30 |
| Cobinder phase | 3.5 – 4.5 | 4 |
| WCtungsten carbide balance | balance | — |
YT30 SINT — frequently asked
What is YT30 SINT used for?
YT30 SINT is typically used for precision steel finishing, high-speed light-cut turning and fine boring. In short: hardest grade in YT series; finishing cuts only; highest hot hardness, lowest toughness.
Is YT30 SINT easy to machine?
Not especially — machinability is rated not recommended (4/100, worse than 85% of ceramic grades). Not machinable by conventional tools — shaped by diamond grinding, wire/sinker EDM or green machining before sintering.
Can YT30 SINT be welded?
Not fusion weldable; attached by silver/copper brazing (Ag-Cu-Zn or Cu-Mn with Ni-plated interlayer), keeping heating and cooling slow to avoid cracks.
What surface finishes work on YT30 SINT?
Diamond wheel grinding, edge honing and diamond lapping give mirror surfaces; optional CVD/PVD TiN, TiCN or Al2O3 coatings for wear life.
Can YT30 SINT be formed, bent or molded?
Made by powder pressing (uniaxial or CIP) or extrusion of WC-TiC-Co powder, then vacuum/sinter-HIP densification at ~1450–1500 °C with ~18–22 % linear shrinkage.
What is the maximum service temperature of YT30 SINT?
YT30 SINT is rated for continuous use to about 1,000°C (1,832 °F). Strength falls off well before that limit — check the elevated-temperature data for load-bearing parts.
Sources
- ISO 513 Classification and application of hard cutting materials — ISO (2012)
- ASM Handbook Vol. 2 — Cemented Carbides — ASM International (1990)
Property data is compiled from published supplier and standards handbooks and normalised for comparison. Nothing on this page is a certification — request mill certs, CoC or material test reports with your order.