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Certification:GB/T 19001-2008 , ISO 9001:2008 , TS16949
EN10297-1 E235 , E275 , E315 , E355b , E470 ,C15 C22 ESeamless Circular Steel Tubes , Structural Steel Pipe
Standard:EN10297-1 Seamless circular steel tubes for mechanical and general engineering purposes
- Technical delivery conditions Non-alloy and alloy steel tubes
Application: for seamless circular tubes made of non-alloy and alloy steels for mechanical and gneral engineering purposes.
Size range: O.D.: 6-168mm W.T.: 1-30mm L:max12000mm
Material: Fine Grain Steel
E235, E275, E315, E355, E470
C15, C22, 38Mn6, 41Cr4,
25CrMo4, 30CrMo4, 34CrMo4, 42CrMo4
Delivery condition:
Normalizin rolling process or normalized by heat treatment in a furnance.
Manufacture:
The tubes are manufactured by Seamless Cold Drawn or Seamless Cold Rolling.
|
Steel
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Ni |
Other elements |
|||||||
|
Steel Name |
Steel Number |
min |
max |
min |
max |
min |
max |
max |
max |
min |
max |
min |
max |
min |
max |
|
|
E235 |
1.0308 |
0.17 |
- |
0.35 |
- |
1.20 |
0.030 |
0.035 |
||||||||
|
E275 |
1.0225 |
0.21 |
- |
0.35 |
- |
1.40 |
0.030 |
0.035 |
||||||||
|
E315 |
1.0236 |
0.21 |
- |
0.30 |
- |
1.50 |
0.030 |
0.035 |
||||||||
|
E355 b |
1.0580 |
0.22 |
- |
0.55 |
- |
1.60 |
0.030 |
0.035 |
||||||||
|
E470 |
1.0536 |
0.16 |
0.22 |
0.10 |
0.50 |
1.30 |
1.70 |
0.030 |
0.035 |
Al min 0.010, |
||||||
|
C22E |
1.1151 |
0.17 |
0.24 |
- |
0.40 |
0.40 |
0.70 |
0.035 |
0.035 |
|||||||
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