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EN10224 Standard Specification for Non-alloy steel tubes and fittings for the conveyance of aqueous liquids including water for human consumption .
This European Standard specifies requirements for the products listed below used for the
conveyance of aqueous liquids, including water for human consumption:
-seamless and welded non-alloy steel tubes;
-end preparation of tube ends for butt welding;
-fittings fabricated from the tube;
-fittings fabricated from plate or strip.
Chemical Composition of the cast analysis
|
Grade |
C |
Si |
Mn |
P |
S |
|
|
Steel name |
Steel number |
max |
max |
max |
max |
max |
|
L235GA |
252 |
0.16 |
0.35 |
1.20 |
0.03 |
0.025 |
|
L275 |
260 |
0.20 |
0.40 |
1.40 |
0.03 |
0.025 |
|
L355 |
419 |
0.22 |
0.55 |
1.60 |
0.03 |
0.025 |
Mechanical Properties
|
Steel name |
Minimum
yield |
Minimum
tensile |
Elongation |
||
|
T＜＝16 |
T＞16 |
l |
b |
||
|
L235 |
235 |
225 |
360-500 |
25 |
23 |
|
L275 |
275 |
265 |
430-570 |
21 |
19 |
|
L355 |
355 |
345 |
500-650 |
21 |
19 |
