:steel_structural: 250 :steel_mild: 247 :human_skin: 15 :steel_maraging: 2617 :steel_aermet: 2160 :steel_high_strength_alloy: 690 :acrylic: 72 :hdpe: 30 :polypropylene: 25 :steel_stainless: 520 :cast_iron: 130 :liquidmetal: 1723 :beryllium: 345 :aluminium_alloy: 414 :polyester_resin: 55 :sglass_epoxy_composite: 2358 :copper: 70 :cupronickel: 130 :brass: 200 :tungsten: 941 :silkworm_silk: 500 :kevlar: 3620 :zylon: 2700 :bone: 110 :nylon_molded: 45 :sapphire: 400 :diamond: 1600