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ASME B18.16.6 2014

$98.04

ASME B18.16.6 B18.16.6 – 2014 Prevailing Torque Locknuts (Inch Series)

Published By Publication Date Number of Pages
ASME 2014 28
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PDF Catalog

PDF Pages PDF Title
5 CONTENTS
6 FOREWORD
7 ASME B18 COMMITTEE ROSTER
8 CORRESPONDENCE WITH THE B18 COMMITTEE
9 1 INTRODUCTION
1.1 Scope
1.2 Comparison to ISO Standards
2 REFERENCE STANDARDS
3 TERMINOLOGY
4 DIMENSIONS
5 NUT DESIGNS AND PROPERTY GRADES
5.1 Nylon Insert Locknuts
10 5.2 All-Metal Locknuts
6 CORNER FILL
7 CHAMFERS AND BEARING CIRCLES
7.1 Chamfer Length on Bearing Side of Nuts
7.2 Bearing Surface Diameter
8 COUNTERSINKS
9 THREADS
Tables
Table 1 Chemical Composition Requirements
Table 2 Hardness Requirements
11 Table 3 Style NE Nylon Insert Locknut Dimensions
12 Table 4 Style NTE Nylon Insert Locknut Dimensions
13 Table 5 Style NU Nylon Insert Locknut Dimensions
14 Table 6 Style NTU Nylon Insert Locknut Dimensions
15 Table 7 Style NM Nylon Insert Locknut Dimensions
Table 8 Style NTM Nylon Insert Locknut Dimensions
16 Table 9 Dimensions of Nylon Insert Hex Flange Nuts
17 Table 10 Dimensions of Prevailing Torque All-Metal Type Hex Nuts
18 Table 11 Dimensions of Prevailing Torque All-Metal Type Hex Flange Nuts
19 10 MATERIAL, MECHANICAL, AND PERFORMANCE PROPERTIES
10.1 Material and Processes
10.1.1 Material.
10.1.1.1 Nylon Rings.
10.1.2 Heat Treatment.
10.1.3 Finish.
10.1.4 Locknut Lubrication.
10.2 Mechanical Requirements
10.2.1 Proof Load.
10.2.2 Hardness.
10.3 Performance Requirements for Steel Locknuts
10.3.1 Prevailing Torque.
11 TEST METHODS
11.1 Proof Load Test
11.2 Rockwell Hardness Test
11.3 Prevailing Torque Test
20 Table 12 Proof Loads, Clamp Loads, and Prevailing Torques for Coarse Thread Locknuts (Regardless of Finish)
21 Table 13 Proof Loads, Clamp Loads, and Prevailing Torques for Fine Thread Locknuts (Regardless of Finish)
Table 14 Proof Loads, Clamp Loads, and Prevailing Torques for UN8 Series Thread Locknuts (Regardless of Finish)
22 11.4 Optional Torque-Tension Test
11.5 Test Devices, Washers, Bolts, and Mandrels
11.5.1 Torque-Measuring Device.
11.5.2 Load-Measuring Device.
11.5.3 Test Washer.
11.5.4 Test Bolt.
11.5.5 Proof Load Testing Mandrel.
11.5.6 Prevailing Torque Testing Mandrel.
23 12 GRADES AND MANUFACTURING MARKING
12.1 Grade and Source Markings
12.2 Grade Marking Requirements and Options
12.3 Source Marking and Options
13 QUALITY ASSURANCE
13.1 Dimensional Inspection Sampling
13.2 Performance and Mechanical Testing Sampling
13.3 Modification After Delivery
14 WORKMANSHIP
15 DESIGNATION
15.1 Nylon Insert Nuts
15.2 All-Metal Locknuts
ASME B18.16.6 2014
$98.04