EN 10305-1 E355 Low Carbon Seamless Cold Drawn or Cold Rolled Precision Steel Pipe
Brand Name:Torich
Certification:ISO9001-2008
Model Number:EN 10305-1
Minimum Order Quantity:5 tons
Delivery Time:5-8 weeks
Payment Terms:L/C, T/T
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Daqiao Developing Zone Haiyan,Zhejiang Province,China
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EN 10305-1 E355 Low Carbon Seamless Cold Drawn or Cold Rolled Precision Steel Pipe
high precision metal tubing
high precision steel tubing
ERW/CDW metal tubing
ERW/CDW steel tubing
Hydro metal tubing
Hydro steel tubing
Size range: O.D.:6-420mm W.T.:1-50mm L:max12000mm
Production: Cold Drawn + Cold Rolling
Steel Grade and Chemical Compositions:
| 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 | - |
| Mechanical properties at room temperature | |||||||||||||
| Steel Grade | Minimum values for the delivery condition | ||||||||||||
| Steel Name | Steel Nubmer | (+Cc) | (+LCc) | (+SR) | (+Ad) | (+N) NBK | |||||||
| 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 | 290-430 | 215 | 30 |
| E235 | 1.0308 | 480 | 6 | 420 | 10 | 420 | 350 | 16 | 315 | 25 | 340-480 | 235 | 25 |
| E355 | 1.0580 | 640 | 4 | 580 | 7 | 580 | 450 | 10 | 450 | 22 | 490-630 | 355 | 22 |
aRm: tensile strength; ReH: upper yield strength; A: elongation
after fracture
b 1Mpa=1N/mm2
c Depending on the degree of cold work in the finishing pass the
yield strength may nearly be as high as the tensile strength.
For calculation purposes the following relations are recommended:
for delivery condition +C: ReH ≥0.8 Rm
for delivery condition +LC: ReH ≥0.7 Rm
d For calclulation purposes the following relation is
recommended:ReH≥0.5Rm
e For tubes with outside diameter ≤30mm and wall thickness ≤3mm the
ReH minimim values are 10Mpa lower than the values given in this
Table
f For tubes with outside diameter>160mm: ReH≥420Mpa
EN 10305-1 E355 Low Carbon Seamless Cold Drawn or Cold Rolled Precision Steel Pipe
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