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SECTION FOUR - MATERIALS & STRENGTHS
Materials Selection p 62 Low Carbon Grades p 80
Fastener Properties p 63-72 Alloy Steels p 81
Mechanical Properties p 63,64 Metric Fastener Grades p 81-84
Tensile Strength p 64-66 Metric Grade Examples p 82
Yield Strength p 67 Identification and Markings p 83
Proof Load p 67,68 Internal Thread Grades p 83
Shear Strength p 69,70 Inch Nuts p 85-90
Impact Toughness p 70 Carbon Steel Nut Grades p 91-94
Torsional Strength p 71 Metric Series Nuts p 95-98
Fatigue Strength p 71 Nut Overtapping p 99,100
Hardness p 71,72 Nut Precautions p 101,102
Ductility p 72 Nut vs Bolt Strength p 102,103
Carbon Steel Fasteners p 73-81