NF EN ISO 3506-3
Mechanical properties of corrosion-resistant stainless steel fasteners - Part 3 : set screws and similar fasteners not under tensile stress
ISO 3506-3:2009 specifies the mechanical properties of set screws and similar fasteners not under tensile stress made of austenitic stainless steel, when tested over an ambient temperature range of 10 °C to 35 °C. Properties vary at higher or lower temperatures. ISO 3506-3:2009 applies to set screws and similar fasteners: - with nominal thread diameter 1,6 mm ≤ d ≤ 24 mm; - of triangular ISO metric threads with diameters and pitches in accordance with ISO 68-1, ISO 261 and ISO 262; - of any shape. It does not apply to screws with special properties, such as weldability.
ISO 3506-3:2009 specifies the mechanical properties of set screws and similar fasteners not under tensile stress made of austenitic stainless steel, when tested over an ambient temperature range of 10 °C to 35 °C. Properties vary at higher or lower temperatures.
ISO 3506-3:2009 applies to set screws and similar fasteners:
- with nominal thread diameter 1,6 mm ≤ d ≤ 24 mm;
- of triangular ISO metric threads with diameters and pitches in accordance with ISO 68-1, ISO 261 and ISO 262;
- of any shape.
It does not apply to screws with special properties, such as weldability.
- Avant-proposiv
- Introductionv
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1 Domaine d'application1
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2 Références normatives2
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3 Désignation, marquage et finition2
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3.1 Désignation2
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3.2 Marquage3
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3.3 Finition4
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4 Composition chimique4
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5 Caractéristiques mécaniques5
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5.1 Généralités5
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5.2 Couple d'essai de torsion des vis sans tête à six pans creux5
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5.3 Dureté6
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6 Méthodes d'essai6
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6.1 Essai de torsion des vis sans tête à six pans creux6
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6.2 Essai de dureté HB, HRB ou HV, des vis sans tête7
- Annexe A (informative) Description des groupes et nuances d'aciers inoxydables8
- Annexe B (informative) Spécifications de composition des aciers inoxydables austénitiques11
- Annexe C (informative) Aciers inoxydables pour frappe à froid et extrusion13
- Annexe D (informative) Diagramme de la température en fonction du temps de la corrosion intergranulaire dans les aciers inoxydables austénitiques, nuance A2 (aciers 18/8)15
- Annexe E (informative) Propriétés magnétiques des aciers inoxydables austénitiques16
- Bibliographie17
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