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Product information

Material certificates

EN 10204 / 3.1 certificate

ID roughness

Ra max 0,4 µm

Technical delivery conditions

EN 10305-1 (cold drawn seamless tube as base material)

Sizes and size tolerances

EN 10305-1

ID tolerance

ISO H8 – H9

Straightness

1:1000 mm

Lengths

4-8 m

Description

Seamless cylinder tube EN 10305-1 E355+SR, tol H8, Ra max 0,4�

Protection

Slightly oiled and tube ends plugged

Size range

Outer diameter 40 – 250 mm, Wall thickness 5 – 22,5 mm

Chemical Structure

Steel gradeC (%)Si (%)Mn (%)P (%)
E355+SR≤ 0.22≤ 0.55≤ 1.60≤ 0.025

Mechanical Features

Steel gradeYield Strength Re (N/mm²)Outer diameterTensile strength Rm (N/mm²)Elongation A%
E355+SR450> 160 mm580min 10%
Supplier can add niobium, titanium or vandinium. The amount of these chemical compositions has to be reported.