Automotive Fuel Tube / OD 4mm - 120mm Cold Drawn Seamless Tube , ST 37.4 / 44.4 / 52.4
Specifications
Withstand high pressure
automotive fuel tube (DIN 2391, ISO 8535, EN 10305 high precision cold drawn seamless tubes)
Production range: OD from 4mm to 120mm; wall thickness up to 10mm
Steel grades:
|
Standard Tubes |
||
|
Standards |
TDR Standards |
Steel Grades |
|
DIN |
1629 |
ST 37 / 44 / 52 |
|
ISO |
8535 |
ST 35 / 45 / 52 |
|
EN |
10305-1 |
E215/235/355/255 |
|
ASTM |
A 519 |
1010 |
|
BS |
BS 6323 |
CFS3 |
|
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: 100% Eddy current test, chemical and mechanical tests
Certificates: according to EN 10204 3.1
Packing: tubes are supplied in round bundles; packing in boxes or special packing for container shipment
are available on request
Others sizes available as customer required.
Standard applied:
DIN 2391, EN 10305-1, ISO 8535
