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Product information
Surface hardness
900 HV 0,1mm
Surface roughness
max Ra 0,20 µm
Material certificates
EN 10204 / 3.1 certificate
Surface tolerances
ISO f7
Corrosion resistance
ISO 9227:91 NSS 200 h class 9
Technical delivery conditions
EN 10305-1 (cold drawn seamless tube as base material)
Straightness
max. 0,2:1000 mm
Lengths
5 - 7,5 m
Description
Chrome plated tube EN 10305-1 E355+SR tol f7
Protection
Cardboard
Coating
25+/- 5 µm
Size range
Outer diameter 40 – 100 mm
Inner diameter 20 – 70 mm
Chemical Structure
| Steel grade | C (%) | Si (%) | Mn (%) | P (%) | S (%) |
|---|---|---|---|---|---|
| E355+SR | ≤ 0.22 | ≤ 0.55 | ≤ 1.60 | ≤ 0.025 | ≥ 0.20 |
Mechanical Features
| Steel grade | Tensile strength Rm (N/mm²) | Yield Strength Re (N/mm²) | Elongation A5%, L | Impact strength KV |
|---|---|---|---|---|
| E355+SR | 580 | 450* | 10 | Min 27 J -20°C |