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 | |||||||
