ASTM F2870-23

Podrobné informace

Označení: ASTM F2870-23

Datum vydání: 01.09.2023

Stran: 5

Země: Americká technická norma

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Anotace

This specification covers the general requirements for the 315/70R22.5 154/150L radial truck standard reference tire. Provided in this specification is a 22.5 rim diameter code standard truck tire design and construction, standard dimensions and standard condition of storage. This specified tire is primarily used as a reference tire for braking traction, snow traction, wear performance evaluations, pavement and noise evaluations and other tests that necessitate a reference tire. Testing methods for the tensile sheet cure, the stress at 300% elongation, the tensile strength shall be in accordance with the standards presented by D3182 and D412 respectively. The test methods also include checking of the durometer operation, checking the sate calibration of the durometer, determining the tire tread hardness by averaging four readings and applying the presser foot to the tire tread as rapidly as possible without shock.


Keywords:
braking, F09, SRTT, standard reference test tire, tire pavement friction, truck, wet braking,, ICS Number Code 83.160.10 (Road vehicle tyres)