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Tianjin LANG Steel Pipe Manufacturing Co., Ltd.
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EN 10305 - 1 E235 E355 + N Cold Drawn Seamless Steel Tube And Pipe OD 3.75mm To 70mm
| Place of Origin: | Tianjin, China (Mainland) |
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Product Detail
EN 10305 - 1 E235 E355 + N Cold Drawn Se
EN 10305 - 1 E235 E355 + N Cold Drawn Seamless Steel Tube And Pipe OD 3.75mm To 70mm
Specifications
Used for automotive and hydraulic industry
EN 10305-1 E235 E355 +N cold drawn precision seamless steel tube and pipe
Production range: OD from 3.75mm to 70mm; wall thickness up to 10mm
Steel grades:
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Standard Tubes |
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Standards |
TDR Standards |
Steel Grades |
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DIN |
1629 |
ST 37 / 44 / 52 |
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EN |
10305-1 |
E215/235/355/255 |
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ASTM |
A 519 |
1010 |
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BS |
BS 6323 |
CFS3 |
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NFA |
49310 |
TU 37 b |
Many other steel grades and customized – modified steel grades are available on request
Delivery conditions: Precision tubes are delivered in following conditions (first symbol lists previous
designation, the new one according to EN is in brackets):
BK (+C) Cold finished/hard (cold finished as drawn).
No heat treatment after last cold forming process.
BKW (+LC) Cold finished/soft (lightly cold worked).
After last heat treatment there is a light finishing pass (cold drawing).
BKS (+SR) Cold finished/stress relieve annealed.
After the final cold forming process the tubes are stress relieve annealed.
GBK (+A) Annealed.
After the final cold forming process the tubes are annealed in a controlled atmosphere.
NBK (+N) Normalized.
After the final cold forming process the tubes are annealed above the upper transformation point in a
controlled atmosphere.
Tests: all tubes are checked according to the relevant production standard;supplementary/optional tests
are available on request; chemical mechanical and technological tests are made according to relevant
standard
Certificates: according to EN 10204 3.1
Packed in bundles or boxes
