High Hardness Tungsten · Tungsten Carbide-Cobalt
Tungsten Alloy WC-12Co
Tungsten Alloy WC-12Co is a high hardness tungsten tungsten alloy — impact-grade cemented carbide. Typical values: 1,400 MPa yield, 14.2 g/cm³, rated to 600 °C. Available for CNC machining at FabDigit.
Properties
Typical room-temperature values for the default supply condition. Metric first, imperial in gray. The bars show where WC-12Co sits against the other 6 tungsten alloy grades in the catalog.
Datasheet
| Yield strength | 1,400 MPa203 ksi |
|---|---|
| Tensile strength | 2,200 MPa319 ksi |
| Hardness | 1400 HV≈ 1330 HB |
| Density | 14.2 g/cm³0.513 lb/in³ |
| Specific strength (yield ÷ density) | 99 |
| Min service temp | -200 °C-328 °F |
| Max service temp | 600 °C1,112 °F |
| Electrical conductivity | 1.7 % IACS1 MS/m |
| Machinability | Poor20 / 100 |
| Weldability | Poor20 / 100 |
| Formability | Not recommended5 / 100 |
Values are nominal handbook figures for design screening. Certified mill or lot data ships with every FabDigit order on request.
Against other tungsten alloy grades
Strength versus weight in the tungsten alloy family
Yield strength against density for every tungsten alloy grade FabDigit runs. WC-12Co is highlighted; hover a dot for its name, or open the interactive family chart.
Manufacturability
The process limits FabDigit's quote engine applies to WC-12Co. Design inside these and the part quotes instantly; outside them it routes to an engineer.
CNC machining
| Machinability | Poor20 / 100 |
|---|---|
| Cutting speed (rough / finish) | — / — |
| Minimum wall | — |
| Minimum internal radius | — |
| Drill depth limit | — |
| Best surface (machined / polished) | Ra — / — |
| Hardenable after machining | — |
Heat treatment and post-processing
Operations FabDigit's suppliers routinely run on WC-12Co, ranked by how often they make sense for this grade.
Post-processing
| Manual Deburr | Deburrstandard |
|---|---|
| Edge Break (0.5mm) | Deburr |
| CMM Inspection | Inspection |
| FAI Report | Inspection |
| Individual Bag | Packaging |
Surface finishes for WC-12Co
Coatings and treatments compatible with tungsten alloy on the processes WC-12Co runs on. Pick them in the quote configurator or call them out on the drawing.
PVD Coating
- AlCrN
- AlTiN
- CrN
- DLC
- MoS2
- TiAlN
- TiB2
- TiCN
- TiN
- WC/C
- ZrN
CVD Coating
- CVD Al2O3
- CVD TiCN
- CVD TiN
- Multilayer CVD
Marking / Decoration
- Chemical Etching
- Dot Peen Marking
- Electro-chemical Etching
- Ink Stamping
- Laser Marking
- Mechanical Engraving
- Steel Stamping
- Vibro Engraving / Scribing
Equivalent designations
Standards and trade names that resolve to Tungsten Alloy WC-12Co in FabDigit's catalog. Equivalence is nominal — check the exact specification when certification matters.
- Other
- K40YG12Tungsten Carbide 12%Co
Stock forms
Raw-material forms FabDigit sources WC-12Co in.
Property data is compiled from published supplier and standards handbooks and normalised for comparison; hardness values on non-Brinell scales are converted approximately for charting only. Manufacturability limits are FabDigit quote-engine defaults and may be relaxed by engineering review. Nothing on this page is a certification — request mill certs, CoC or material test reports with your order.