ASTM F3677-23

• Abstract:

  SCOPE; 1.1 This specification covers the general requirements for the 315/70R22.5 154/150L radial truck standard reference test tire SW. The tire covered by this specification is primarily for use as a reference tire for braking traction and snow traction but may also be used for other evaluations 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 22.5 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. ; 1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

• Status: Published
• Publication Date: 30-Nov-2023
• Technical Committee: F09 - Tires
• Drafting Committee: F09.20 - Vehicular Testing

Overview

ASTM F3677-23: Standard Specification for 315/70R22.5 154/150L Radial Truck Standard Reference Test Tire SW establishes the general requirements for a specific standard reference test tire primarily used for evaluating braking traction and snow traction in commercial vehicles. Developed by ASTM International, this specification ensures test consistency and comparability for laboratories, tire manufacturers, and regulators. The document details physical requirements, dimensions, construction, storage conditions, and recommended applications for the 315/70R22.5 154/150L radial truck tire, supporting harmonized testing protocols worldwide.

Key Topics

• Purpose and Uses: The tire is primarily intended as a reference tire for evaluating braking traction and snow traction, providing a benchmark for other tests requiring consistent and reliable tire performance metrics.
• Design and Construction:
  • Radial, steel-belted construction
  • 22.5-inch rim diameter code
  • Standard dimensions and black sidewall
  • Five siped ribs and four circumferential grooves
  • Specific tread compound and hardness properties controlled for minimal variability
• Physical Requirements:
  • Detailed standards for tread width, section width, outside diameter, tread depth, and groove design
  • Stringent tolerances on the dimensions and physical properties to ensure international consistency
• Certification and Quality:
  • All tires certified to meet manufacturer’s standards
  • Required freedom from defects in workmanship and materials
  • Controlled and verifiable tread compound properties
• Storage Conditions:
  • Recommended storage with regulated humidity, temperature, and ozone levels to preserve tire performance
  • Guidelines for stacking and light exposure to ensure tire longevity

Applications

• Standardized Testing: Widely used by test labs and tire manufacturers to measure and compare the performance characteristics of truck tires, such as braking traction, snow traction, and other surface interaction properties.
• Regulatory Compliance: Provides the consistent reference necessary for compliance with international standards and regulations related to commercial vehicle tire traction, particularly for C2 and C3 class tires in Europe and similar classifications worldwide.
• Research and Development: Offers a repeatable benchmark for evaluating new vehicle or tire technologies, pavement materials, and safety systems.
• Quality Control: Enables manufacturers to ensure their testing and reporting align with global best practices for performance evaluation, supporting transparent and fair product assessment.

Related Standards

Users of ASTM F3677-23 may also reference the following related ASTM standards to support a broader range of vehicular and tire testing requirements:

• ASTM E1136 - Specification for P195/75R14 Radial Standard Reference Test Tire
• ASTM F2493 - Specification for P225/60R16 97S Radial Standard Reference Test Tire
• ASTM F2870 - Specification for 315/70R22.5 154/150L Radial Truck Standard Reference Test Tire
• ASTM F2871 - Specification for 245/70R19.5 136/134M Radial Truck Standard Reference Test Tire
• ASTM F2872 - Specification for 225/75R16C 116/114S M+S Radial Light Truck Standard Reference Test Tire
• ASTM F3611, F3675, F3676, F3678 - Additional specifications for reference test tires and related testing methodologies

By adhering to ASTM F3677-23, professionals in the automotive and tire industries can ensure robust, repeatable, and internationally recognized test results for truck tire performance evaluation. This standard is a critical resource for upholding safety, regulatory compliance, and quality assurance in commercial vehicle tire testing.

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: F3677 − 23
Standard Specification for
315/70R22.5 154/150L Radial Truck Standard Reference Test
Tire SW
This standard is issued under the fixed designation F3677; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope and Rubber-Like Materials Using Vibratory Methods
E867 Terminology Relating to Vehicle-Pavement Systems
1.1 This specification covers the general requirements for
E1136 Specification for P195/75R14 Radial Standard Refer-
the 315/70R22.5 154/150L radial truck standard reference test
ence Test Tire
tire SW. The tire covered by this specification is primarily for
F538 Terminology Relating to Characteristics and Perfor-
use as a reference tire for braking traction and snow traction
mance of Tires
but may also be used for other evaluations that require a
F2493 Specification for P225/60R16 97S Radial Standard
reference tire.
Reference Test Tire
1.1.1 Other standard reference test tires are also used for
F2870 Specification for 315/70R22.5 154/150L Radial
these purposes and are referenced in Section 2.
Truck Standard Reference Test Tire
1.2 This specification provides a 22.5 rim diameter code
F2871 Specification for 245/70R19.5 136/134M Radial
standard truck tire design and construction, standard
Truck Standard Reference Test Tire
dimensions, and specifies the conditions of storage.
F2872 Specification for 225/75R16C 116/114S M+S Radial
Light Truck Standard Reference Test Tire
1.3 The values stated in SI units are to be regarded as
standard. The values given in parentheses are mathematical F3611 Specification for P225/60R16 97S Radial Low Tread
Depth Standard Reference Test Tire
conversions to inch-pound units that are provided for informa-
tion only and are not considered standard. F3675 Specification for 225/45R17 94H XL Radial Standard
Reference Test Tire
1.4 This standard does not purport to address all of the
F3676 Specification for P225/60R16 97S Radial Low Tread
safety concerns, if any, associated with its use. It is the
Depth Standard Reference Test Tire
responsibility of the user of this standard to establish appro-
F3678 Specification for 245/70R19.5 136/134M Radial
priate safety, health, and environmental practices and deter-
Truck Standard Reference Test Tire SW
mine the applicability of regulatory limitations prior to use.
1.5 This international standard was developed in accor-
3. Terminology
dance with internationally recognized principles on standard-
ization established in the Decision on Principles for the
3.1 For definitions of terms used in this specification, refer
Development of International Standards, Guides and Recom-
to Terminology F538.
mendations issued by the World Trade Organization Technical
3.2 Definitions:
Barriers to Trade (TBT) Committee.
3.2.1 pavement characteristic, n—physical feature or prop-
erty of a pavement surface such as type, roughness, texture,
2. Referenced Documents
and skid resistance E867
2.1 ASTM Standards:
3.2.2 pitch, n—unit of tread pattern elements used in various
D2240 Test Method for Rubber Property—Durometer Hard-
combinations to obtain optimum noise levels. F538
ness
3.2.3 standard reference test tire, SRTT, n—a tire that is
D5992 Guide for Dynamic Testing of Vulcanized Rubber
commonly used as a control tire or surface monitoring tire and
meets the requirements for one of the following: Specifications
This specification is under the jurisdiction of ASTM Committee F09 on Tires
E1136, F2493, F2870, F2871, F2872, F3611, F3675, F3676,
and is the direct responsibility of Subcommittee F09.20 on Vehicular Testing.
F3677, or F3678. F538
Current edition approved Dec. 1, 2023. Published January 2024. DOI: 10.1520/
F3677-23.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or 4. Design and Construction
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
4.1 The 315/70R22.5 154/150L standard reference test tire
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. SW shall feature the steel-belted radial technology, and a
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
F3677 − 23
4.3 The tire used for this specification is produced by
Manufacture Francaise des Pneumatiques Michelin. The tire is
stamped on the sidewall with the words: “SRTT SW”, “Stan-
dard Reference Test Tire” and “F3677”.
5. Materials and Manufacture
5.1 The individual standard reference test tires shall con-
form to the manufacturer’s design standards.
5.2 Tread compound, fabric processing, and all the steps in
tire manufacturing shall be controlled to ensure minimum
variability between tires.
5.3 The standard reference test tire shall be as originally
molded without any tread grinding or repairs.
5.4 Since the formulation for tread compounds are
proprietary, they shall be controlled by means of their physical
properties given in Table 1. These physical properties are to be
considered tread compound quality control parameters for use
FIG. 1 Front View of the 315/70R22.5 154/150L Radial Truck Stan-
by the SRTT manufacturer prior to tire production. These
dard Reference Test Tire SW
parameters may vary when compared to samples taken from a
cured tire.
5.5 Dimensions, weights, and permissible variations are
given in Section 7.
5.6 The tire shall be of the following construction:
5.6.1 One-ply sidewall construction (steel).
5.6.2 A five-ply tread construction (one-ply steel and four
steel belts).
5.6.3 Black sidewall.
6. Physical Properties
6.1 The physical properties of the tread compound are listed
in Table 1.
7. Dimensions, Weights, and Permissible Variations
7.1 Details of dimensions are listed as follows and are
shown in Fig. 3. When targets and tolerances are not specified,
tire dimensions and weights are subject to manufacturer’s
normal targets and tolerances.
FIG. 2 Side View of the 315/70R22.5 154/150L Radial Truck Stan- 7.2 Inflated Dimensions and Cured Cord Angles at 900 kPa
dard Reference Test Tire SW
(130 psi):
7.2.1 The tread width shall be 262 mm (10.31 in.), and the
TABLE 1 Physical Properties of Tread Compound
cross-sectional tread radius shall be 1000 mm (39.4 in.) on the
Dissipation factor tangent delta at -20°C 0.305 ± 0.014
center and 600 mm (23.6 in.) on the shoulders.
Shear modulus G* at -10°C 3.01 ± 0.59 MPa (435 ± 86 psi)
7.2.2 The tread radius is measured using a reference radius
A
Durometer hardness 66 ± 2 Type A
template as shown in Fig. 4.
A
Measured on cured tire tread.
7.2.3 The tire shall have an overall section width of 317.7
mm (12.51 in.), and an outside diameter of 1010 mm (39.76
in.) when mounted on a measuring rim (22.5x 9.00).
siped-ribbed tread design, see Fig. 1 and Fig. 2, with technol-
7.2.4 The cured cord angles shall be 90 6 8° for the carcass
ogy as described in Sections 5 – 7.
and 65 6 4° for belt 1 and 18 6 4° for belts 2, 3, and 4.
4.2 The tire shall be designed to conform to the European
Tyre and Rim Technical Organisation (ETRTO) dimensions
The sole source of supply of the apparatus known to the committee at this time
and tolerances for cross section and overall diameter found in
is Manufacture Française des Pneumatiques Michelin, 23 place des Carmes
the current ETRTO Standards Manual.
Déchaux, 63040 Clermont-Ferrand C
...