Active Member
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Address: No. 2503 Room,3B Buiding,ShiFu Road,LuCheng District,Wenzhou City,China
Contact name:Mark Fuel
HAINER STEEL INDUSTRIAL CO.,LTD |
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En10305 St35 / E35 Precision Seamless Steel Tube For Hydraulic ,
Air - Power Cylinder
Description:
Standard: EN 10305-1 / DIN 2391
Material: ST35/E35, ST45, ST52/E355
OD: 10mm~219.1mm
Wall Thickness: 2mm~35mm
Application: Precision mechanical part for car and cylinder
Delivery condition: NBK (The last cold forming process is followed by annealing above the upper transformation point in a controlled astmosphere. ).
Package: In hexagonal shape bundles wrapped with strong steel trip
2MT/Bundle.
Quality Control:
Our quality control department consists of experienced technicians.
These personnel strictly control the whole production procedure,
from introduction of raw materials to finish products. They ensure
high quality products for our customers.
Chemical composition | ||||||||||||||||
Item | Grade | Chemical composition.% | ||||||||||||||
C max | Si max | Mn | Pmax | S max | ||||||||||||
St35/E35 | 1.0308 | 0.17 | 0.35 | ≥0.40 | 0.025 | 0.025 | ||||||||||
St45 | 1.0408 | 0.21 | 0.35 | ≥0.40 | 0.025 | 0.025 | ||||||||||
St52/E355 | 1.0508 | 0.22 | 0.55 | ≤1.60 | 0.025 | 0.025 | ||||||||||
The following alloying may be added:Nb≤0.03%,Ti≤0.03%,V≤0.05%,Nb+TI+v≤0.05% | ||||||||||||||||
Mechanical properties | ||||||||||||||||
Category | Delivery state minimum value | |||||||||||||||
item | grade | Gold finished (hard)(BK) | Gold finished (SOFT)(BKW) | Gold finished and stress-relieved(BKS) | annealed | normalized(NBK) | ||||||||||
Rm Mpa | A% | Rm Mpa | A% | Rm Mpa | ReH Mpa | A% | Rm Mpa | A% | Rm Mpa | ReH | A% | |||||
1 | St35/E235 | 480 | 6 | 420 | 10 | 420 | 315 | 14 | 315 | 25 | 340~470 | 235 | 25 | |||
2 | St45 | 580 | 5 | 520 | 8 | 520 | 375 | 12 | 390 | 21 | 440~570 | 255 | 21 | |||
3 | St52/E355 | 640 | 4 | 580 | 7 | 580 | 450f | 10 | 450 | 22 | 490~630 | 355 | 22 | |||
Specifications
DesignationA179/A179M-90a
StandardSpecificationforSeamlessCold-DrawnLow-CarbonSteelHeat-exchnager
AndCondenserTubes
Thisspecificationcovers | 1.1Minimum-wall-thickness,seamlesscold-drawnlow-carbonsteeltubesfortubularheat | |||||||||
Orderinginformation |
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ChemicalComposition | A179
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Inspectionitem |
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Tensilerequirements |
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Ouradvantage
Weownedspecialequipmentformanufacturingvarioushighprecisionproducts
