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Tianjin LANG Steel Pipe Manufacturing Co., Ltd.  

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You are here: home  > Cold Drawn Seamless Tube  > Automotive Fuel Tube / OD 4mm - 120mm Cold Drawn Seamless Tube , ST 37.4 / 44.4 / 52.4

Automotive Fuel Tube / OD 4mm - 120mm Cold Drawn Seamless Tube , ST 37.4 / 44.4 / 52.4 

Place of Origin: Tianjin, China (Mainland) 
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Automotive

Automotive Fuel Tube / OD 4mm - 120mm Cold Drawn Seamless Tube , ST 37.4 / 44.4 / 52.4

 

Specifications

 
automotive fuel tube (DIN 2391, ISO 8535, EN 10305 high precision cold drawn seamless tubes)
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

1630

2391-2

17204



17210

ST 37 / 44 / 52

ST 37.4 / 44.4 / 52.4

ST 35 /  45 / 52

C22 – Ck 22 – Cm22 –
C35 – Ck 35 – Cm 35
C45 -  Ck 45 – Cm 45 – 34 CrMo4

C15 – Ck 15 – Cm 15 – 16MnCr5

ISO

 8535

  ST 35 / 45 / 52

EN

10305-1

E215/235/355/255
26Mn 5
C35E
C45E
20V1 (E410)
26Mo2
25CrMo4
42CrMo4

ASTM

A 519

1010
1020
1035

BS

BS 6323

CFS3
CFS4
CFS5
CFS6
CFS7

NFA

49310

TU 37 b
TU 52  XC

 

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

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Tel: 86-22-2646578
Fax: 86-22-2646578
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Company Info

Tianjin LANG Steel Pipe Manufacturing Co., Ltd. [China (Mainland)]


Business Type:Manufacturer
City: Tianjin
Province/State: Tianjin
Country/Region: China (Mainland)

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