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Pneumatic Tubes
E355+C (EN 10305-2) / St52-3 BK (DIN 2393) High quality cold drawn welded tubes with a wide dimension range for pneumatic cylinders.
Equivalent Standard
Chemical Composition
Mechanical Properties
Equivalent Standard
EN 10305-2 | Material No. |
DIN 2393 | STAS | AFNOR | BS | UNI EN 10025 | JIS | GOST 19281-89 | AISI SAE ASTM |
E355 | 1.0580 | St52-3 | OL52-3 | E36-4 | 4360-50D | Fe510 | SM490A | 17G1S | 1024 |
Technical Specifications | |
Steel Grade | E355 (EN 10305-2) / St52-3 (DIN 2393) |
Heat Treatment | +C (EN 10305-2) / BK (DIN 2393) |
Inside diameter range | Ø32xØ36 mm to Ø200xØ210 mm. |
Tolerance Class | ISO H9 |
Standard Lengths |
5 – 8 meter (can be supplied in special lengths upon request.) |
Inside Surface Roughness | Ra ≤ 0.4 µm |
Straightness |
max. 1 mm : 1000 mm |
Chemical Composition
C | Mn | Si | P | S |
max. 0.22 | max. 1.60 | max. 0.55 | max. 0.025 | max. 0.025 |
Mechanical Properties
Rm – Tensile Strength (N/mm2) |
Rp0.2 – Yield Point (N/mm2) |
A5 – Elongation (min. %) |
min. 640 | min. 540 | 4 |
List of dimensions of cold-drawn welded pipes for E355+C (EN 10305-2) / St52-3 BK (DIN 2393) Pneumatic cylinders
Inner Diameter mm |
Outer Diameter mm |
Tolerance ISO |
Wall Thickness mm |
Weight Kg/m |
Operating Pressure SF=2 |
32 | 36 | H9 | 2 | 1.67 | 240 |
40 | 45 | H9 | 2.5 | 2.62 | 220 |
50 | 55 | H9 | 2.5 | 3.24 | 180 |
63 | 68 | H9 | 2.5 | 4.04 | 150 |
80 | 86 | H9 | 3 | 6.10 | 128 |
100 | 106 | H9 | 3 | 7.60 | 103 |
125 | 135 | H9 | 5 | 16.00 | 136 |
160 | 170 | H9 | 5 | 20.30 | 107 |
200 | 210 | H9 | 5 | 25.30 | 86 |