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EN 10305, Steel tubes for precision applications — Technical delivery conditions, consists of the following
parts:
— Part 1: Seamless cold drawn tubes
— Part 2: Welded cold drawn tubes
— Part 3: Welded cold sized tubes
— Part 4: Seamless cold drawn tubes for hydraulic and pneumatic power systems
— Part 5: Welded cold sized square and rectangular tubes
— Part 6: Welded cold drawn tubes for hydraulic and pneumatic power systems
EN 10305-1 Standard Specification for Seamless cold drawn tubes for precision applications
Chemical Composition
|
Grade |
C |
Si |
Mn |
P |
S |
Al |
|
|
Steel name |
Steel number |
max |
max |
max |
max |
max |
min |
|
E215 |
1.0212 |
0.10 |
0.05 |
0.70 |
0.025 |
0.025 |
0.025 |
|
E235 |
1.0308 |
0.17 |
0.35 |
1.20 |
0.025 |
0.025 |
0.015 |
|
E355 |
1.0580 |
0.22 |
0.55 |
1.60 |
0.025 |
0.025 |
0.020 |
Mechanical Properties
|
Grade |
Minumum values for the delivery condition |
||||||||||||
|
+C |
+LC |
+SR |
+A |
+N |
|||||||||
|
Steel name |
Steel number |
Rm |
A |
Rm |
A |
Rm |
ReH |
A |
Rm |
A |
Rm |
ReH |
A |
|
|
|
MPa |
% |
MPa |
% |
MPa |
MPa |
% |
MPa |
% |
MPa |
MPa |
% |
|
E215 |
1.0212 |
430 |
8 |
380 |
12 |
380 |
280 |
16 |
280 |
30 |
290-430 |
215 |
30 |
|
E235 |
1.0308 |
480 |
6 |
420 |
10 |
420 |
350 |
16 |
315 |
25 |
340-480 |
235 |
25 |
|
E355 |
1.0580 |
640 |
4 |
580 |
7 |
580 |
450 |
10 |
450 |
22 |
490-630 |
355 |
22 |
