This specification contains the general requirements for the 245/7OR19.5 136/134M radial truck standard reference test. Provided in this specification is a 19.5 rim diameter code standard truck design and construction, standard dimensions, and standard conditions of storage. A reference tire is covered in this specification for braking traction, snow traction, wear evaluations pavement roughness, noise and other forms of test requiring a reference tire. Test methods of the tensile sheet cure, the 300% stress elongation, and tensile sheet strength should be in accordance to the specified testing requirements presented in D3182, and D412. The testing procedure also includes using of Type A durometer centred at the presser foot at a minimum of 6.0 mm, chaking the durometer operation and the state of durometer calibration with rubber reference, determining tire tread hardness by four readings and quickly applying the presser foot to the tire tread without inducing shock.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
1.1 This specification covers the general requirements for the 245/70R19.5 136/134M radial truck standard reference test tire. The tire covered by this specification is primarily for use as a reference tire for braking traction, snow traction, and wear performance evaluations, but may also be used for other evaluations, such as pavement roughness, noise, or other tests that require a reference tire.
1.1.1 Other standard reference test tires are also used for these purposes and are referenced in Section 2.
1.2 This specification provides a 19.5 rim diameter code standard truck tire design and construction, standard dimensions, and specifies the conditions of storage.
1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses are mathematical conversions to inch-pound units that are provided for information only and are not considered standard.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D412 Test Methods for Vulcanized Rubber and Thermoplastic Elastomers--Tension
D2240 Test Method for Rubber Property--Durometer Hardness
D3182 Practice for Rubber--Materials, Equipment, and Procedures for Mixing Standard Compounds and Preparing Standard Vulcanized Sheets
E867 Terminology Relating to Vehicle-Pavement Systems
E1136 Specification for P195/75R14 Radial Standard Reference Test Tire
F538 Terminology Relating to the Characteristics and Performance of Tires
F2493 Specification for P225/60R16 97S Radial Standard Reference Test Tire
F2870 Specification for 315/70R22.5 154/150L Radial Truck Standard Reference Test Tire
F2872 Specification for 225/75R16C 116/114S M+S Radial Light Truck Standard Reference Test Tire
braking; F09; SRTT; standard reference test tire; tire pavement friction; truck; wet braking;
ICS Number Code 83.160.10 (Road vehicle tyres)
ASTM International is a member of CrossRef.
Citing ASTM Standards
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