Product performance (excellent comprehensive mechanical properties of the product,
requiring high tensile strength (≥ 1100MPa below 200 ℃) in high temperature (200 ℃) and low
temperature (-40 ℃) environments; Tensile testing has a fracture elongation rate of ≥ 12% and
good fatigue performance (with a fatigue life greater than 20000 cycles under 1.5 times the
working load); Low temperature impact energy value (KV2 ≥ 42J/-40 ℃);