{
  "1.4301": {"name": "Edelstahl 1.4301 (AISI 304)", "rho_kg_mm3": 7.9e-6,
             "Rp02_MPa": 230, "E_MPa": 200000, "korrosion": "mittel", "uv": "bestaendig"},
  "1.4404": {"name": "Edelstahl 1.4404 (316L)", "rho_kg_mm3": 8.0e-6,
             "Rp02_MPa": 220, "E_MPa": 200000, "korrosion": "hoch (Chloride)", "uv": "bestaendig"},
  "6063T6": {"name": "Aluminium 6063 T6", "rho_kg_mm3": 2.7e-6,
             "Rp02_MPa": 214, "E_MPa": 69000, "korrosion": "mittel", "uv": "bestaendig"},
  "6082T6": {"name": "Aluminium 6082 T6", "rho_kg_mm3": 2.7e-6,
             "Rp02_MPa": 260, "E_MPa": 70000, "korrosion": "mittel", "uv": "bestaendig"},
  "EPDM":   {"name": "EPDM", "rho_kg_mm3": 1.2e-6, "uv": "bestaendig", "rolle": "Isolator"},
  "ASA":    {"name": "ASA", "rho_kg_mm3": 1.07e-6, "uv": "bestaendig"}
}