ISO 8168:2016

Name: ISO 8168:2016 — Aerospace — Bolts, with MJ threads, made of heat and corrosion resisting steel, strength class 1 100 MPa — Procurement specification
SKU: ISO 8168:2016
Price: 25 EUR
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Aerospace — Bolts, with MJ threads, made of heat and corrosion resisting steel, strength class 1 100 MPa — Procurement specification

Название (английский):

ISO 8168:2016

Aerospace — Bolts, with MJ threads, made of heat and corrosion resisting steel, strength class 1 100 MPa — Procurement specification

Статус документа:: Отменён
Формат:: Электронный (PDF)
Количество страниц:: 21
Дата публикации:: 10 августа 2016 г.
Издание:: ISO IS 8168 edition 3 version 1
ICS:: 49.030.20

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Срок поставки:1 рабочий день

Цена:25 €

Описание (английский):

ISO 8168:2016 the characteristics and quality assurance requirements for MJ thread bolts made of heat and corrosion resisting steel, of strength class 1 100 MPa, for aerospace construction. It is applicable whenever it is referenced in a definition document.

Abstract

Overview - ISO 8168:2016 (Aerospace bolts, MJ threads, heat- and corrosion‑resisting steel, strength class 1 100 MPa)

Key topics and technical requirements

Material and mechanical properties
- Material conformity required as specified in the definition document; tensile and double‑shear strength tests referenced (ISO 7961, ISO 6892‑1).
- Strength class specified as 1 100 MPa.
Manufacturing processes
- Bolt heads formed by hot or cold forging; hot forging equipment must maintain a constant temperature below 1 090 °C.
- Forged blanks heat‑treated (no more than two heat‑treatment cycles) and threads formed by rolling after full heat treatment.
- Surface finishing, coatings and roughness to meet the definition document and ISO 4288 surface texture rules.
Quality assurance and inspection
- Definition of batch and inspection lot, sampling plans and defect classifications (critical, major, minor).
- Qualification inspection: typically 25 bolts selected by simple random sampling for each type and diameter unless reduced by equivalence justification.
- Production acceptance inspections on each lot, with procedures for rejected lots and re‑inspection (including double sample size for affected attributes).
- Requirement to retain quality documentation for a minimum of 10 years.
Statistical process control (SPC)
- Option to substitute final lot sampling when SPC is validated and approved (ISO/TR 13425 and ISO 7870 series guidance).
Non‑destructive and destructive tests
- Penetrant testing (ISO 3452‑1), surface inspection and specified destructive tests (tensile, shear) with allowances for when bolts cannot be directly tested (use of test bars).

Practical applications and users

ISO 8168:2016 is intended for:

Aerospace OEMs and suppliers specifying or procuring MJ‑thread bolts in high‑strength, corrosion‑resisting steels.
Fastener manufacturers who must meet aerospace procurement and inspection criteria.
Quality, procurement and engineering teams responsible for component specification, inspection plans and supplier qualification.
Certification and compliance auditors assessing fastener conformity to aerospace standards.

Related standards (referenced)

ISO 5855‑2 (MJ threads dimensions)
ISO 7961 (bolt test methods)
ISO 6892‑1 (tensile testing)
ISO 4288 (surface texture)
ISO 2859‑1 (sampling by AQL)
ISO 3452‑1 (penetrant testing)
ISO/TR 13425 and ISO 7870 series (SPC and control charts)

Keywords: ISO 8168:2016, aerospace bolts, MJ threads, heat and corrosion resisting steel, strength class 1 100 MPa, fastener procurement, bolt quality assurance, aerospace fasteners.

Технические детали

Технический комитет: ISO/TC 20/SC 4 - Aerospace fastener systems
SKU: ISO 8168:2016

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