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EN10305-4 Steel Hydraulic Tubing for automobile machinery parts
Precision steel tubes /Precision hydraulic steel tubes to be used in hydraulic systems, automobile and precision machinery parts for cars and cylinders.
Standard: EN10305-4
Grade: ST35,ST45,ST52
Delivery status: BK(+C), BKS(+SR), BKW(+LC), GBK(+A), NBK(+N)
Specifications:
Grade and Chemical Composition ( ％ )
|
Grade |
C ≤ |
Si ≤ |
Mn ≤ |
P ≤ |
S ≤ |
Al ≥ |
|
E215 |
0.10 |
0.05 |
0.70 |
0.025 |
0.025 |
0.025 |
|
E235 |
0.17 |
0.35 |
1.20 |
0.025 |
0.025 |
- |
|
E355 |
0.22 |
0.55 |
1.60 |
0.025 |
0.025 |
- |
Mechanical properties
|
Grade |
Yield strength Reh min Mpa |
Tensile strength Rm min Mpa |
Elongation A min % |
|
E215 |
215 |
290-430 |
30 |
|
E235 |
235 |
340-480 |
25 |
|
E355 |
355 |
490-630 |
22 |