EN10305-1 Precision Cold Drawn Steel Tube Seamless E355 E235 Steel Pipe
Product Details
High Pression Cold Drawn Steel Pipe
,E355 Cold Drawn Steel Pipe
,BKS Cold Drawn Steel Pipe
EN10305-1 Precision Cold Drawn Steel Tube Seamless E355 E235 Steel Pipe
TORICH is a professional supplier and exporter of precision seamless cold drawn steel tube with 20 years.
1.Brief introduction of Precision Cold Drawn Steel Tube:
Standard: EN10305-1
Size: 4mm-260mm
W.T.: 0.5mm-25mm
Shape: Round
Production type: Cold drawn or cold rolled
Length: Single random length/ Double random length or as customer’s actual request max length is 1.8m to fit container length.
Grade: E215, E235, E355
2.Delivery Conditions:
The tubes shall be manufactured from hot finished seamless tubes by cold drawing or other suitable processes.
The tubes shall be supplied in one of the delivery conditions as follows:
| Designation | Symbol | Description |
| Cold drawn/hard | +C | No heat treatment after the final cold drawing process. |
| Cold drawn/soft | +LC | After the final heat treatment there is a suitable drawing pass. |
| Cold drawn and stress relieved | +SR | After the final cold drawing process there is a stress relief heat treatment in a controlled atmosphere. |
| Annealed | +A | After the final cold drawing process the tubes are annealed in a controlled atmosphere. |
| Normalized | +N | After the final cold drawing operation, the tubes are normalized in a controlled atmosphere. |
3.Delivery Condition Symbol in accordance with EN10305 and DIN2391:
| Symbol in accordance with EN 10305 | Symbol in accordance with DIN2391 |
| +C | BK |
| +LC | BKW |
| +SR | BKS |
| +A | GBK |
| +N | NBK |
4.Mechanical Properties:
| Mechanical properties at room temperature | |||||||||||||
| Steel Grade | Minimum values for the delivery condition | ||||||||||||
| Steel Name | Steel Number | +C | +LC | +SR | +A | +N | |||||||
| 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 to 430 | 25 | 30 |
| E235 | 1.0308 | 480 | 6 | 420 | 10 | 420 | 350 | 16 | 315 | 25 | 340 to 480 | 235 | 25 |
| E355 | 1.0580 | 640 | 4 | 580 | 7 | 580 | 450 | 10 | 450 | 22 | 490 to 630 | 355 | 22 |
QUALITY CONTROL
1~ Incoming Raw Material Inspection
2~ Raw Material Segregation to avoid steel grade mix-up
3~ Heating and Hammering End for Cold Drawing
4~ Cold Drawing and Cold Rolling, on line inspection
5~ Heat Treatment, +A, +SRA, +LC, +N, Q+T
6~ Straightening-Cutting to specified length-Finished Measuring Inspection
7~ Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8~ Packing and Stocking.
5.Precision Cold Drawn Steel Tube Show:
6.Packing method:
7.A&Q
Q: Are you trading company or manufacturer ?
A: A professional steel pipes materials inventor, manufacturer and solution provider
Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, it is according to quantity
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample but need pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us
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