AS 2903-1986

1 - AS 2903-1986 HELICAL SPRINGS FOR RAILWAY ROLLING STOCK
4 - PREFACE
4 - CONTENTS
5 - SECTION 1. SCOPE AND GENERAL
5 - 1.1 SCOPE.
5 - 1.2 REFERENCED DOCUMENTS.
5 - 1.3 DEFINITIONS.
5 - 1.3.1 Coils.
5 - 1.3.2 Deflection
5 - 1.3.3 Length.
5 - 1.3.4 Length characteristic
5 - 1.3.5 Load characteristic
5 - 1.3.6 Load-length characteristic
5 - 1.3.7 Helical spring
5 - 1.3.8 Rate
5 - 1.3.9 Shall and should
6 - SECTION 2. BAR MATERIAL
6 - 2.1 GENERAL.
6 - 2.2 MACHINED BAR.
7 - SECTION 3. MANUFACTURE
7 - 3.1 MACHINED BAR.
7 - 3.2 OUTSIDE DIAMETER.
7 - 3.3 PITCH OF COILS.
7 - 3.4 END FORMATION.
7 - 3.5 SQUARENESS.
8 - 3.6 SOLID LENGTH.
8 - 3.7 FREE LENGTH.
8 - 3.8 LOAD CHARACTERISTICS.
8 - 3.9 LENGTH CHARACTERISTICS.
8 - 3.10 RATE CHARACTERISTICS.
8 - 3.11 HEAT TREATMENT.
8 - 3.12 SHOT PEENING.
8 - 3.13 FREEDOM FROM DEFECTS.
8 - 3.14 DECARBURIZATION.
8 - 3.15 HARDNESS.
8 - 3.16 SURFACE PROTECTION.
9 - SECTION 4. MARKING
9 - 4.1 GENERAL.
9 - 4.2 CODE FOR STEEL GRADE.

Specifies requirements for the materials, manufacture, and testing of helical springs for use in railway rolling stock.

This standard specifies requirements for materials and manufacturing requirements for helical springs used for railway rolling stock.