Alternative names (5)
hardiness • hardnessHRC • hardnessRange • hasHardness • 硬度Random triples
| Subject | Object |
|---|---|
| gptkb:α-Fe | 4 (Mohs) |
| gptkb:alpha_iron | soft |
| gptkb:succinct_circuit_value_problem | PSPACE-hard |
| gptkb:Rosa_'Ispahan' | gptkb:USDA_zone_4 |
| gptkb:AISI_430 | Rockwell B 70–90 |
| gptkb:n-buna | Shore A 40-90 |
| gptkb:Al2O3:Ti | 9 (Mohs scale) |
| gptkb:AISI_M35 | up to 65 HRC |
| gptkb:Citrus_junos | cold-hardy |
| gptkb:Primula_'Edward_Bowles' | hardy |
| gptkb:fused_quartz | Mohs 5.5–6.5 |
| gptkb:lead | 1.5 Mohs |
| gptkb:AISI_M4 | up to 65 HRC |
| gptkb:AISI_420 | up to 50 HRC (after heat treatment) |
| gptkb:Rosa_Alba | hardy |
| gptkb:GaN_(Gallium_Nitride) | 6 (Mohs) |
| gptkb:Hard_Red_Calcutta | hard |
| gptkb:Nether_Quartz_Ore | 3.0 |
| gptkb:Rhododendron_yakushimanum | USDA zones 5-8 |
| gptkb:silicon_nitride | Mohs 8.5 |