Specification for 2 ½% nickel-chromium-molybdenum steel tubes (1160 MPa)1 Scope This British Standard specifies the inspection and testing procedures, chemical composition, heat treatment and mechanical properties for 2 % nickel chromium molybdenum steel supplied in the form of tube for aerospace purposes.

It supplies coating weights and types of phosphates for given applications

— either as a “pass/fail” test by determining whether the print-free state has been reached after a specified period of drying or

— bolt with short thread length

instrument installation

Who is BS 721-1 - Worm gearing specification for

The marking and packaging of the products are outlined in BS EN 13126‑15

This Technical Report is published as background information

PD CEN/TS 17176-3 provides no information as to whether the products can be used without restriction

Annex D (normative) Test for security of attachment of adaptor of assembled neck to bag

The addition of a new Clause 14

This Technical Report explains how to provide and use time-stamping services so that time-stamp tokens are effective when used to provide timeliness

NOTE The two methods generally lead to different results