Grade HB-411 is a mixed-grain tungsten carbide engineered for exceptional performance in punch applications, particularly where toughness and wear resistance are required. With a composition of 88% tungsten carbide and 11.5% cobalt, HB-411 provides excellent edge retention and durability under repeated impact, making it a go-to solution for ammunition punches and dies. Its reliable performance extends across heat-resistant steels, stainless steels, and non-ferrous metal alloys, delivering consistent results even in demanding production environments.
Excellent toughness and wear performance for consistent results in high-force tooling.
Provides dependable performance in punches and dies for high-volume ammunition manufacturing.
Mixed grain structure supports extended tool life without sacrificing wear resistance.
Designed for reliability in production environments requiring dimensional consistency.
| Co (%): | 11 |
| Composition: | Tungsten Carbide, WC: 89.0 ± 0.3% Cobalt, Co: 11.0 ± 0.3% |
| Grain Structure: | Bimodal |
| Microstructure Grain Size: (ASTM B-390) | Mixed |
| ISO Code: | K40 |
| US Industry Designation: | C1 or C12 |
| WC (%): | 89 |
| Density (g/cm3): (ASTM B-311) | 14.39 ± 0.05 |
| Avg Grain Size (Micron): | Mixed |
| Hardness Rockwell A (HRA): (ASTM B-294) | 90.00 ± 0.5 |
| Transverse Rupture Strength: (ASTM B-406) | 530,000 PSI |
| Sinter HIP TRS (psi): | 530,000 |
| Wear & Toughness Scale: |  |
Manufactured in preforms, altered and standard blanks designs.
High-performance machining in heat-resistant alloys, titanium, and stainless-steel alloys. The grade features high abrasion resistance, superior cutting-edge integrity to reduce corner and microchipping, and predictable tool life with consistency & reliability.
Excellent wear properties, abrasion resistance, medium grade, general purpose grade for cutting tools, drills, endmills, and reamers for finishing and semi-finishing and wear parts with little impact, EDM blanks, seal rings and knives.
Extremely hard material, high abrasion resistance, micro grain size grade, for finishing machining cutting tools, drills, endmills, reamers, and wear parts, with very little or no shock, EDM blanks, wire guides and sand blast nozzles.
Extremely hard material, high abrasion resistance, ultra-fine grain size grade, for finish machining cutting tools, drills, endmills, reamers, and wear parts, with very little or no shock, EDM blanks, wire guides, sand blast nozzles.
Exceptional performance in punch applications, Heat-resistant steels, Stainless steels, Non-ferrous metal alloys
Exceptional toughness/wear properties, Ideal for deep hole drilling
Bimodal grain structure offering excellent wear properties, Ideal for deep hole drilling
High Impact forming applications, Header dies, draw dies, stamping die details, Thread rolling, Ammunition dies
Med-/High-impact forming applications, Header dies, draw dies, stamping die details, Fastener forming dies, Ammunition dies
Low impact/light shock resistance, Capability for wide variety of forming applications, Ammunition dies, Light stamping
Steels, SS, non-ferrous varieties forming applications, Light stamping carbide die and nib deep draw, Fine blanking stamping dies, Ammunition dies
Excellent thermal cycling properties, Optimal braze adhesion, Non-cutting grade, Good toughness characteristics
Excellent wear properties, micro grain size grade, general purpose cutting tool grade for semi-finishing and finishing, drilling, endmills, reamers, stamping dies, punches, knoves and all types of cutting tools, will withstand slight shock, EDM blanks.
High wear, low to medium impact, micro grain size grade, for cutting tools, dies, knives, punches, rough tools, will withstand slight shock, EDM blanks, crush rolls, form rolls, coining dies.