Standard: EN10305-1 Seamless Cold Drawn/Rolling Steel Tubes
Steel tubes for precision applications.
Technical delivery conditions.
Size range: O.D.:6-350mm W.T.:1-35mm L:max12000mm
Heat Treatment: +C, +LC, +N, +SR
Applications: Telescopic Cylinders/Hydraulic Cylinders/Auto shock absorber innder cylinder
| Steel 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 |
- |
| E355 |
1.0580 |
0.22 |
0.55 |
1.60 |
0.025 |
0.025 |
- |
Note: Special steel grade is also available, according to customer request.
| Mechanical properties at room temperature |
| Steel grade |
Minimum values for the delivery condition |
| Steel name |
steel nubmer |
(+Cc) |
(+LCc) |
(+SR) |
(+Ad) |
(+N) NBK |
| Rm Mpa |
A % |
Rm Mpa |
A % |
Rm Mpa |
ReH Mpa |
A % |
Rm Mpa |
A % |
Rm Mpa |
ReH Mpa |
A % |
| 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 |
450f |
10 |
450 |
22 |
490-630 |
355 |
22 |
1.--Delivery: 60-70 days after receiving 30% T/T in advance
2.--Payment terms: 30% T/T in advance, the balance 70% paid before shipment.
3.--Packaging: antirust protection, In hexagon bundles
4.--Marks on pipes(tubes): Standard,Steel Grade, Size, Heat No.( or at the buyer's option).
5.--Mill Test Certificate:EN10204 3.1
