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New Reduced price! NZS 4405:1986 View larger

NZS 4405:1986

M00000660

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NZS 4405:1986 Helical lock-seam corrugated steel pipes

standard by Standards New Zealand, 12/31/1986

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$27.49

-40%

$45.81

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Full Description

Specifies requirements for full circular shape corrugated steel pipes manufactured from galvanized steel strip. The pipe is formed by a continuous helical lock-seam, and only pipes in which the direction of the corrugations run helically to the longitudinal axis of the pipe are covered. Requirements for base metal, lock-seam strength, coupling bands, perforations, protective coating and workmanship are specified. Identical to AS 1761:1985 with modifications for New Zealand.