Norway · NS

E155

NS EN 10305-6 — Steel tubes for precision applications - Technical delivery conditions - Part 6: Welded cold drawn tubes for hydraulic and pneumatic power systems

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Standards

NS EN 10305-2Steel tubes for precision applications - Technical delivery conditions - Part 2 : welded cold drawn tubes.
NS EN 10305-3:2002Steel tubes for precision applications - Technical delivery conditions - Part 3 : welded cold sized tubes.
NS EN 10305-5Steel tubes for precision applications - Technical delivery conditions - Part 5 : welded and cold sized square and rectangular tubes
NS EN 10296-1Welding steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 1: Non-alloy and alloy steel tubes
NS EN 10305-6Steel tubes for precision applications - Technical delivery conditions - Part 6: Welded cold drawn tubes for hydraulic and pneumatic power systems

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Chemical composition

wt% · log scale

min – max range
typical value

Mechanical properties

value range by condition

Chemical composition

Element	min	max	Similar	Remarks
C		0.11
Mn		0.7
P		0.025
S		0.015
Si		0.35

Mechanical properties

Heat treatment / condition	Yield strength	Tensile strength	Elongation	Reduction of area	Impact energy	Hardness
welded steel tube +N, > 30 mm	≥155	270–480	≥28		≥27 Charpy V Notch (0°C)