19/30390069 DC - BS ISO 3506-5. Fasteners. Mechanical properties of corrosion-resistant stainless steel fasteners. Part 5. Special fasteners (also including fasteners from nickel alloys) for high temperature applications

19/30390069 DC

BS ISO 3506-5. Fasteners. Mechanical properties of corrosion-resistant stainless steel fasteners. Part 5. Special fasteners (also including fasteners from nickel alloys) for high temperature applications

Status : Current, Draft for public comment   Published : October 2019

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This document specifies the mechanical and physical properties of bolts, screws, studs and nuts, with coarse pitch thread and fine pitch thread made of corrosion-resistant stainless steels and nickel alloys, intended for use at high temperatures up to 800 °C.

NOTE

Fasteners specified in this document are also suitable when used at low temperatures, typically down to ‑ 50 °C. For more information, see ISO 3506-6.

The term “fasteners” is used in this document when bolts, screws, studs and nuts are considered all together.

It specifies fastener properties in relation to three material categories: martensitic steels, precipitation hardening austenitic steels and nickel alloys.

ISO 3506-6 provides general rules and additional technical information on suitable stainless steels and nickel alloys as well as their properties.

This document applies to fasteners:

  • with ISO metric thread in accordance with ISO 68-1,

  • with diameter/pitch combinations in accordance with ISO 261 and ISO 262,

  • with coarse pitch thread M3 to M39, and fine pitch thread M8×1 to M39×3,

  • with thread tolerances in accordance with ISO 965-1 and ISO 965-2, and

  • of any shape but with full loadability.

Stainless steels and Nickel alloys grades may be used for sizes outside the diameter limits of this document (i.e. for d < 3 mm or d > 39 mm), provided that all applicable chemical, mechanical and physical requirements are met.

Fasteners with reduced loadability (i.e. thin nuts and bolts, screws and studs with head or shank weaker than the threaded shank) are not dealt with in this document.

It does not specify requirements for functional properties such as:

  • Torque/clamp force properties

  • Shear strength

  • Fatigue resistance, or

  • Weldability




Standard Number19/30390069 DC
TitleBS ISO 3506-5. Fasteners. Mechanical properties of corrosion-resistant stainless steel fasteners. Part 5. Special fasteners (also including fasteners from nickel alloys) for high temperature applications
StatusCurrent, Draft for public comment
Publication Date10 October 2019
Normative References(Required to achieve compliance to this standard)ISO 3506-2, ISO 16228, ISO 6508-1, ISO 3506-1, ISO 6507-1, ISO 6506-1, ISO 7500-1, EN 10319-2, ISO 3506-6, ISO 6892-1
Informative References(Provided for Information)ISO 15510, ASTM E21, ISO 7961, ASTM A453/A453M, ASTM E139, ISO/TS 4949, ISO 3506-1, ASTM E292, ASTM A1014/A1014M, EN 10269, ISO 273, ISO 68-1, ISO 3506-6, ISO 286-2, ISO 204, ISO 6892-2, ISO 16426, ASTM E328, EN 10088-3
International RelationshipsISO/DIS 3506-5
Draft Expiry Date03 December 2019
DescriptorsFasteners, Properties, Corrosion, Corrosion resistance, Stainless steels, Nickel alloys, Temperature
ICS21.060.99
Title in FrenchCaractéristiques mécaniques des fixations en acier inoxydable résistant à la corrosion — Partie 5: Fixations spécifiques (incluant les fixations à partir d'alliages de nickel) résistant à la chaleur et pour applications à températures élevées Partie 5: Fixations spéciales (incluant également les fixations en alliages de nickel) pour utilisation à hautes températures
CommitteeFME/9
PublisherBSI
FormatA4
DeliveryYes
Pages52
File Size1.776 MB
NotesWarning: this draft is not current beyond its expiry date for comments.
Price£20.00


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