Precision Tubes E235 / E355
Precision seamless tube, standard annealed, for hydraulic and pneumatic circuits. From Tubos Mecánicos we offer you a wide range, quality and reliability in the product
Most Common uses and Applications
Widely used in hydraulic and pneumatic circuits. Precision applications such as cylinders, vehicle parts, engineering and general mechanics
Stock Dimensions
- Outside 5,00 - 92,00 mm.
- Inside: 2,00 - 80,00 mm.
- Thickness: 1,00 - 10,00 mm.
Application Standard
- EN-10305-1
Chemical Composition
| STEEL GRADES | NORM | C % max. | P % max. | S % max. | Mn % | Si % max. |
|---|---|---|---|---|---|---|
| E-235 | EN-10305-1 | 0,17 | 0,025 | 0,025 | 1,20 max. | 0,35 |
| E-355 | EN-10305-1 | 0,22 | 0,025 | 0,025 | 1,60 max. | 0,55 |
Mechanical Properties
| STEEL GRADES | NORM | Rm min. (N/mm2) | Re min. (N/mm2) | A min.% | Supply Conditions |
|---|---|---|---|---|---|
| E-235 | EN-10305-1 | 340 a 480 | 235 | 25 | +N |
| 480 | 0,8 x Rm | 6 | +C | ||
| E-355 | EN-10305-1 | 490 a 630 | 355 | 22 | +N |
| 640 | 0,8 x Rm | 4 | +C |
Supply Tolerances
| Ø Outside / Inside | According to EN-10305-1 | ||||||
|---|---|---|---|---|---|---|---|
| Tolerances for heat treated pipes | According to EN-10305-1 or DIN-2391/94 | ||||||
| Relation WT/OD | ≥0,05 | 0,05>T/D≥0,025 | <0,025 | OD | WT | ||
| Limits of tolerance of the dimensions table to multiply by: | 1 | 1,5 | 2 | Outside Diameter | Wall Thickness | ||
Substitution template
| REPLACED | CURRENT | |||
|---|---|---|---|---|
| NORM | QUALITY STEEL |  |
NORM | QUALITY STEEL |
| DIN-2391/94 | ST-35 | EN-10305-1 | E-235 | |
| DIN-2391/94 | ST-52.0 | EN-10305-1 | E-355 | |
| SUPPLY CONDITIONS | SUPPLY CONDITIONS | |||
| NBK | +N | |||
| BK | +C | |||
Dimensions
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