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Help CenterSeamless Carbon Steel Pipe For Automotive Parts , DIN2391 Cold Drawn Tubing
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Certification:TS 16949
Seamless Carbon Steel Pipe For Automotive Parts , DIN2391 Cold Drawn Tubing
Specifications:
·OD:4-60mm,WT:0.5-60mm
·Standard:DIN2391 / EN10305-1/4
·Material:ST35,ST37.4,ST37,ST45,ST52,ST52.4,E235,E255,E355,SAE1010,SAE1020
·Delivery Condition:NBK(Bright annealing without oxidization)
·Length:5800mm,6000mm.
·Package:Bundles or wooden cases.
·Surface Anti-rust:Both outside and internal tube surface flushing with anti-rust oil.
·Surface quality:very smooth and bright without oxide scale,pock,strach,crack and other defects..
·Surface Cleaness:clean without iron scrap,dust,better for hydraulic system life.
·Mechanical Properties:Better extending rate and strength property,after bending with no deformation,a fter flattening and flaring process with no crack.
·Test:Tensile Strength Test,Flaring and flattening test,Hardness Test,Chemical Compositon Test
Tolerance table
|
NAME |
SCOPE(mm) |
GB (mm) |
DIN (mm) |
Enterprise control(mm) |
Special high-precision(mm) |
|
OD Out Diameter |
4-30 |
±0.1 |
±0.08 |
±0.05 |
±0.03 |
|
31-40 |
±0.15 |
±0.15 |
±0.05 |
±0.03 |
|
|
41-50 |
±0.20 |
±0.20 |
±0.08 |
±0.03 |
|
|
51-60 |
±0.25 |
±0.25 |
±0.08 |
±0.03 |
|
|
Wall thickness |
0.5-7 |
±10%,Min±0.12 |
±10% |
±10%,Min±0.05 |
±10%,Min±0.03 |
Steel grades for Seamless Carbon Steel Pipe For Automotive Parts
|
Chemical composition(cast analysis)a |
||||||
|
Steel grade |
% by mass |
|||||
|
Steel name |
Steel number |
C |
Si |
Mn |
P |
S |
|
max. |
max. |
max. |
max. |
|||
|
ST35 |
1.0305 |
0.17 |
0.35 |
≥0.40 |
0.025 |
0.025 |
|
ST45 |
1.0408 |
0.21 |
0.35 |
≥0.40 |
0.025 |
0.025 |
|
ST52 |
1.0580 |
0.22 |
0.55 |
≤1.60 |
0.025 |
0.025 |
Mechanical properties for Seamless Carbon Steel Pipe For Automotive Parts
|
Mechanical properties at room temperature |
|
|
Steel grade |
Minimum values for the delivery condition |
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