Hy 31 & 4 Mile Root River - Kayaking Trails

Hy 31 & 4 Mile Root River - Kayaking Trails

7516 Miles of you

HY-80 is a high-tensile alloy steel. It is most notable for its use in the construction of pressure hulls for US nuclear submarines in the 1950s to 1980s. The 'HY' steels are a series of steels with high yield strength, hence the name. Their numbers, HY-80, HY-100, HY-130 refer to their yield strength in ksi, i.e. HY-80 has a yield strength of 80,000 psi (550 MPa), and HY-100 of 100,000 psi (690 MPa).

Trail name
Awesome destination
Est.time
2 hours 45 minutes
Distance
2.5 km
Main destination
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