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Tubes for pressure equipment used at the room temperatures

 

Standards:

EN 10216-1 Seamless steel tubes for pressure purposes. TDC. Part 1: Non-alloy steel tubes with specified room temperature properties.
EN 10305-1 
(upon agreement) Steel tubes for precision applications. Part 1: Seamless cold drawn tubes.
DIN 2391-1 (upon agreement) Seamless precision steel tubes. Part 1: Dimensions. Part 2: TDC.
DIN 1629 Seamless circular tubes of non-alloy steel with special quality requirements. TDC.
DIN 1630 Seamless circular tubes of non-alloy steel with very high quality requirements. TDC.

Steel grades:

according to EN 10216-1: P195TR1, P195TR2, P235TR1, P235TR2, P265TR1, P265TR2
according to DIN 1629: St37.0, St44.0, St52.0
according to DIN 1630: St37.4, St44.4, St52.4

Steel designation according to EN:
P – steel for pressure equipment
235 – minimum yield strenght in N/mm2
T – steel for tubes
R – room temperature
1,2 – group of quality
TR1 – fluid transportation – general purposes
TR2 – piping and pressure purposes

Shaping Quality Condition (wg EN 10216-1)
Hot finished TR1 as rolled or normalized or normalising formed
TR2 normalized or normalising formed
Cold finished TR1 i TR2 normalized
Outside diameter
D [mm]
Tolerance D Tolerance T
depending on T/D
≤ 0,025 > 0,025
≤ 0,050
> 0,050
≤ 0,10
> 0,10
D ≤ 219,1 ± 1 %, min ± 0,5 mm ± 12,5 %, min 0,4 mm
D > 219,1 ± 20 % ± 15% ± 12,5 % ± 10 % *
* For D ≥ 355,6 mm local deviation above the upper wall thickness of further 5% T is allowed.

Exact length tolerances
L ≤ 6000 mm: 0 + 10 mm
6000 mm < L ≤ 12 000 mm: 0 + 15 mm L > 12 000 mm: upon agreement

Dimensions and weight of seamless steel tubes according to EN 10220

Dimensions and weight of precision seamless tubes according to EN, DIN

 

Głównym profilem działalności MARGO Sp. z o.o. jest handel rurami stalowymi. W ofercie posiadamy również kształtki, złącza stalowe oraz inne wyroby hutnicze.

Nasza oferta

Innowacyjny system elektroniczny B2B w Spółce Margo