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Wedge (Grip)
Quality of steel: 20CrMnTi
Hardness: HRC50-65
Actual test result: HRC58.9-60
Anchorage efficiency factor : ≥ 0.95
Elongation of prestressing steel on free length of tendon at ultimate force: ≥ 2.0%
Hardness: HRC50-65
Actual test result: HRC58.9-60
Anchorage efficiency factor : ≥ 0.95
Elongation of prestressing steel on free length of tendon at ultimate force: ≥ 2.0%
