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AS/NZS 4291.2:2016
$125.14
Mechanical properties of fasteners made of carbon steel and alloy steel, Part 2: Nuts with specified property classes — Coarse thread and fine pitch thread
Adopts ISO 898-2:2012, which specifies mechanical and physical properties of nuts with coarse thread and fine pitch thread made of carbon steel and alloy steel when tested at an ambient temperature range of 10°C to 35°C.
Table of contents
Header
About this publication
Preface
1 Scope
2 Normative references
3 Symbols
4 Designation systems
4.1 Designation of nut styles
4.2 Designation of property classes
4.2.1 General
4.2.2 Regular nuts (style 1) and high nuts (style 2)
4.2.3 Thin nuts (style 0)
4.3 Ranges of nominal diameters in relation to nut style and property class
5 Design of bolt and nut assemblies
6 Materials
7 Mechanical properties
8 Inspection
8.1 Manufacturer’s inspection
8.2 Supplier’s inspection
8.3 Purchaser’s inspection
9 Test methods
9.1 Proof load test
9.1.1 General
9.1.2 Applicability
9.1.3 Apparatus
9.1.4 Testing device
9.1.5 Test procedure
9.1.6 Test results
9.1.7 Requirements
9.2 Hardness test
9.2.1 Applicability
9.2.2 Test methods
9.2.3 Test procedures
9.2.3.1 Test load for hardness determination
9.2.3.2 Hardness determined on a surface
9.2.3.3 Hardness determined on a longitudinal section
9.2.4 Requirements
9.2.4.1 Quenched and tempered nuts
9.2.4.2 Non-quenched and tempered nuts
9.3 Surface integrity inspection
10 Marking
10.1 General
10.2 Identification mark of the manufacturer
10.3 Marking of property classes
10.3.1 General
10.3.2 Regular nuts (style 1) and high nuts (style 2)
