From other comments: cnvogel: it's assumed that materials with about 130 GPa of tensile strength would be needed for the "rope" of an space elevator e12e: nan

From other comments: cnvogel: it's assumed that materials with about 130 GPa of tensile strength would be needed for the "rope" of an space elevator e12e: nanomagic spider silk: 5400 MPa (5.4 GPa)