Size range:
Outer diameter from 3mm to 20mm
Inner diameter from 0.8mm to 10mm
Major Size as follows
Other sizes also available upon customer’s request
Size Tolerance and other request can be as per DIN 2391 or ISO8535 as per detail needs
|
Standard |
Steel Grade |
Material Number |
C MAX |
Si MAX |
Mn |
P MAX |
S MAX |
|---|---|---|---|---|---|---|---|
|
DIN 2391 |
ST35 |
1.0308 |
0.17 |
0.35 |
≧0.04 |
0.025 |
0.025 |
|
ST45 |
1.0408 |
0.21 |
0.35 |
≧0.04 |
0.025 |
0.025 |
|
|
ST52 |
1.058 |
0.22 |
0.55 |
≦1.60 |
0.025 |
0.025 |
|
Standard |
Steel Grade |
Material Number |
BK |
BKW |
BKS |
GBK |
NBK |
|||||||
|
Rm Tensile Strength (Mpa) |
A Elongation(%) |
Rm Tensile Strength (Mpa) |
A Elongation(%) |
Rm Tensile Strength (Mpa) |
Rel Yield Strength(Mpa) |
A Elongation(%) |
Rm Tensile Strength (Mpa |
A Elongation(%) |
Rm Tensile Strength (Mpa) |
Rel Yield Strength(Mpa) |
A Elongation(%) |
|||
|
DIN 2391 |
ST35 |
1.0308 |
480 |
6 |
420 |
10 |
420 |
315 |
14 |
315 |
25 |
340-470 |
235 |
25 |
|
ST45 |
1.0408 |
580 |
5 |
520 |
8 |
520 |
375 |
12 |
390 |
21 |
440-570 |
255 |
21 |
|
|
ST52 |
1.058 |
640 |
4 |
580 |
7 |
580 |
420 |
10 |
490 |
22 |
490-630 |
355 |
22 |
|
Tube outside galvanizing can be also arranged for anti-rust ability.
Silver, yellow or olive green galvanzing is available. The zinc layer thickness above 8mm.
