0.25" E355 DIN 2391 EN10305-1 Seamless And Welded Precision Steel Tubes
Product Details
DIN 2391 Steel Hydraulic Pipe
,E355 Steel Hydraulic Pipe
,BS 6323 Thin Steel Tube
0.25" E355 DIN 2391 EN10305-1 Seamless And Welded Precision Steel Tubes
Whether you are looking for corrosion resistance ,narrow tolerances or low processing cots ,Torich who has over 20 years' on producing
Precision steel tubes,could make your purchase easy. Various material grade is available for production,You can select extremely formable,
High-strength formable or an ultra-high-strength option for your application.
Application : Hydraulic tubes.
Material: E235 St35 St45 St52 E355
Standard : DIN 2391 EN10305-1
Surface treatment: Galvanizing, to protect material from rust.
Precision seamless steel pipe as per DIN 2391 and EN 10305-1 ,there will be delivery condition :
BK: No heat treatment atfer the last cold-forming process.The tubes therefore have only low deformability.
BKW:After the last heat treatment there is a light finishing pass(cold drawing) with proper subsequent processing.the tube can be
Cold-formed(e.g.bent,expanded)within certain limits.
GBK:After the final cold-forming process the tubes are annealed in a controlled atmosphere or under vacuum.
NBK:The tubes are annealed above the upper transformation point in a controlled almosphere or under vacuum.
+C: No heat treatment after the final cold drawing process.
+LC:After the final heat treatment there is a suitable drawing pass.
+SR:After the final cold drawing process there is a stress relief heat treatment in a controlled atmosphere.
+A:After the final cold drawing process the tubes are annealed in a controlled atmosphere.
+N:After the final cold drawing operation,the tubes are normalized in a controlled atmosphere;
Steel Grade and Chemical Compositions according to En 10305-1 high precision seamless steel pipe:
| 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 | - |
Steel Grade and Chemical Compositions according to DIN 2391 high precision steel pipe:
| Steel grade | C max | Si max | Mn max | P max | S max |
| St 35 | 0.17 | 0.35 | 0.4 | 0.025 | 0.025 |
| St 45 | 0.21 | 0.35 | 0.4 | 0.025 | 0.025 |
| St 52 | 0.22 | 0.55 | 1.6 | 0.025 | 0.025 |
OD : 4- 20mm
WT :0.5-10 mm
Characteristic:
1. Bright annealing treatment on steel tubes, have a clean in side and out size diameter,Besides, what is suitable for bending any angle for your produce your production.
2. Galvanizing on tubes can bear the Salt spray test above 72 hours.
3. Steel tubes produce by cold drawn and cold rolled many times ,With a good tolerance on OD and WT.
4.Good performance on Mechanical properties.
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