BS AU50-1.1A(1995) : 1995

Committees responsible
National foreword
Specification
1. Scope
2. Normative references
3. Definitions
4. Tyre designation
5. Marking
6. Tyre dimensions
7. Tyre dimension presentation
8. Tyre dimension measurement method
9. Inflation pressures
10. Load capacities
Annexes
A. (normative) Guideline values for tyres (metric series)
B. (normative) Load capacity indices for passenger car
     tyres
C. (informative) Marking of radial tyres designed for
     vehicles with maximum speeds above 210 km/h
D. (informative) Other existing size markings
Tables
1. Nominal rim diameter code
2. Correlation between load index (LI) and tyre load-
     carrying capacity (TLCC)
3. Correlation between speed symbol and speed category
4. Coefficients for calculation of tyre dimensions
5. Recommended rim widths for passenger car tyres as
     function of nominal aspect ratio
6. Example of tyre dimension table
7. Recommended pressures for measurement of tyre
     dimensions
A.1 H/S from 95 to 75 inclusive (K1 = 0,7; K2 = 0,7)
A.2 H/S from 70 to 60 inclusive (K1 = 0,7; K2 - 0.75)
A.3 H/S of 55 and 50 (K1 = 0,7; K2 = 0,8)
A.4 H/S of 45 (K1 = 0,85; K2 = 0,85)
A.5 H/S of 40 and 35 (K1 = 0,85; K2 - 0,9)
B.1 Untitled
B.2 Untitled
B.3 Untitled
B.4 Untitled
B.5 Untitled
B.6 Untitled
D.1 Radial tyres (metric series) - Other markings

Specifies the designation, dimensions and load ratings of the metric series of tyres primarily meant for passenger cars.