Zhangjiagang Renaissance High-precision Steel Tube Co., Ltd
Zhangjiagang Renaissance High-precision Steel Tube Co., Ltd
Germany Din2391 Standard Black Phosphated Seamless Steel Tube For Automobile 
  • Germany Din2391 Standard Black Phosphated Seamless Steel Tube For Automobile 
  • Germany Din2391 Standard Black Phosphated Seamless Steel Tube For Automobile 
  • Germany Din2391 Standard Black Phosphated Seamless Steel Tube For Automobile 
  • Germany Din2391 Standard Black Phosphated Seamless Steel Tube For Automobile 
Germany Din2391 Standard Black Phosphated Seamless Steel Tube For Automobile 
Germany Din2391 Standard Black Phosphated Seamless Steel Tube For Automobile 
Germany Din2391 Standard Black Phosphated Seamless Steel Tube For Automobile 
Germany Din2391 Standard Black Phosphated Seamless Steel Tube For Automobile 

Germany Din2391 Standard Black Phosphated Seamless Steel Tube For Automobile 

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Basic Info
Basic Info
Product Description
Product Description
Standard BS, JIS, GB, DIN, ASTM
Standard BS 6323, JIS G3445-2006, GB 5310-1995, GB/T 3639-2000, GB 9948-2006, GB/T 8713, GB/T8162, GB/T8163, GB/T3639, DIN 1626, DIN EN 10216-1-2004, DIN EN 10217-1-2005, DIN 2391, DIN 2448, ASTM A179-1990
Grade 10#-45#, Cr-Mo alloy, 10MoWVNb, 15NiCuMoNb5, 16Mn, ST35-ST52, STPG42
Grade 10#, 20#, 45#, 15CrMo, 34CrMo4, 30CrMo, 10MoWVNb, 15NiCuMoNb5, 16Mn, St37, St52, St45, ST35, ST37.4, STPG42
Thickness 0.5 - 10 mm
Section Shape Round
Outer Diameter 4 - 90 mm
Place of Origin Jiangsu, China (Mainland)
Secondary Or Not Non-secondary
Application Hydraulic Pipe
Technique Cold Drawn
Certification ISO
Surface Treatment bright annealing
Special Pipe Thick Wall Pipe
Alloy Or Not Non-alloy
Cold Drawn Steel Tube Seamless Cold Drawn Mechanical Tubing STKM 17A
St52 steel pipe St35 Steel Pipe
St45 Steel Pipe St45 steel tube
4140 STKM 11A
STKM 13C STKM 17A
cold rolled cold drawn


Quality as per JIS G3445.
Strict Tolerance Control(+/-0.05mm)
seamless steel tube
3. BK, BKS,BKW,NBK GBK.

germany standard black phosphated seamless steel tube for automobile

synopsis of process routing

cold drawn and bright NBK seamless steel tube is used as the tube to be phosphated, the phosphated is realized with th imported chemical fluid to form a black film, te antirust oil is absorbed by means of the micro pore on the film to prevent from the rust, two ends of tube are covered by the flap to prevent from the dust.

color of tube: bright black, color is homogeneously distributed on the tube surface, the tube has good property of antirust.

main application

used in hydrauli system, nested card connector (pipe joints) with matching

Types of inspection documents according to EN 10204 3.1.B Inspection certificate (inspector representing the manufacturer)


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