| 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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