EN10305-1 E355 Q345B St52 Hydraulic Cylinder Honed Steel Tube Precision Steel Tube
Product Details
| Application: | Hydraulic Pipe | Outer Diameter: | 30 - 250 Mm |
|---|---|---|---|
| Surface Treatment: | Cold Drawn Pipe | Grade: | E355 Q345B St52 |
| Tolerance: | H8 H9 | Straightness: | 0.5mm/M |
| Highlight |
Galvanized Steel Tube,thin wall steel Tube |
||
Product Description
EN10305-1 E355 Q345B St52 Hydraulic Cylinder Honed Steel Tube Precision Steel Tube
1. Hydraulic Cylinder Tube
Used in the hydraulic cylinder of the heavy machinery, Cranes, excavator also forklifts.
Material is various, mainly STKM-13CT ST52 CK45 and 1020.
We can work and get the mechanical property of the clients need and extended the life of the hydraulic cylinder.
2.Honed tube ----- used in Elevator buffer and Hydraulic Cylinder .
This kind tube have a better roughness inner the tube, ra0.2-0.4um and can use directly in the hydraulic cylinder tube.
Range: ID 50-250mm and Length can work at most 6M.
3.Cold finished tube---- Widely Used.
Processing range 30-300mm, biggest length is 11M.
Xinpeng Have passed ISO9001 verified from 2010;
each tube of ours is strictly in quality control that can assure the product quality of Xinpeng.
Mainly produce precision tube as cold drawn/rolled tube honed and SRB tube, mainly used in Hydraulic cylinder and mechanical using.
Quick Detail:
Standard: 1 EN10305-1
Grade: St 52 E355
Size:(mm)
Out Dimensions: 6 mm ~ 350 mm
Wall Thickness: 0.8 mm ~30mm
Length: Fixed(6m,9m,12,24m) or normal length(5-12m)
Description:
Precision steel tube
Precision in size,Bright for the surface, high ability of mechanical performance
SURFACE TREATMENTS
1. Bare Tube (No coating): Bright and smooth, Surface Roughness both inner and outer surface
0.2Ra Maximum for special requirement
2. Surface Coating
A. Silver galvanized
B. Yellow galvanized
C. Olive green coated
Layer thickness: 8-20um, Salty Spray Test: 48-150 hours
3. Black phosphate
APPLICATIONS
1. Automotive fields
A. Fuel injection lines/nozzles
B. CNG (Compressed Nature Gas) tube-- Burst pressure: 1307Bar, Working Pressure: around 350bar
C. Drive transmission: Steering column elements
D. Gear shafts, hand brake, front axles, airbag inflators, stabilizers, seat fasteners, front-wheel drive shafts
2. Hydraulic Fields
A. Hydraulic circuits (HPL), pneumatic lines, and hydraulic suspension
B. Hydraulic cylinders (HPZ)
Chemical Composition
|
Steel grade |
Chemical composition, as a percentage by mass |
|||||
|
Symbol |
Material number |
C |
Si |
Mn |
P |
S |
|
St 30 Si |
1.0211 |
0.10 |
0.30 |
<=0.55 |
0.025 |
0.025 |
|
St 30 Al |
1.0212 |
0.10 |
0.05 |
<=0.55 |
0.025 |
0.025 |
|
St 35 |
1.0308 |
0.17 |
0.35 |
<=0.40 |
0.025 |
0.025 |
|
St 45 |
1.0408 |
0.21 |
0.35 |
<=0.40 |
0.025 |
0.025 |
|
St 52 |
1.0580 |
0.22 |
0.55 |
<=1.60 |
0.025 |
0.025 |
|
The following alloying elements may be added: Nb: <=0,03%; Ti: <=0,03%; V: <=0,05%; Nb + Ti + V: <=0,05%. |
||||||
Final supply conditions:
|
Designation |
Symbol |
Description |
|
Cold finished (hard) |
BK |
Tubes do not undergo heat treatment following the final cold forming and, thus, have a rather high resistance to deformation. |
|
Cold finished (soft) |
BKW |
The final heat treatment is followed by cold drawing involving limited deformation. Appropriate further processing allows a certain degree of cold forming (e.g. bending, expanding). |
|
Cold finished and stress-relieved |
BKS |
Heat treatment is applied following the last cold forming process. Subject to appropriate processing conditions, the increase in the residual stresses involved enables both forming and machining to a certain degree. |
|
Annealed |
GBK |
The last cold forming process is followed by annealing in a controlled atmosphere. |
|
Normalized |
NBK |
The last cold forming process is followed by annealing above the upper transformation point in a controlled atmosphere. |
Condition on delivery
|
Steel Grade |
BK |
BKW |
GBK |
NBK |
||||
|
Code No. |
Tensile Strength N/mm2 min |
Elongation at rupture N/mm2 min |
Tensile Strength N/mm2 min |
Elongation at rupture N/mm2 min |
Tensile Strength N/mm2 min |
Elongation at rupture N/mm2 min |
Tensile Strength N/mm2 min |
Elongation at rupture N/mm2 min |
|
St30 Si |
400 |
8 |
330 |
12 |
280 |
30 |
290-420 |
30 |
|
St30 Al |
400 |
8 |
330 |
12 |
280 |
30 |
290-420 |
30 |
|
St 35 |
440 |
6 |
370 |
10 |
315 |
25 |
340-470 |
25 |
|
St 45 |
540 |
5 |
470 |
8 |
390 |
21 |
440-570 |
21 |
|
St 52 |
590 |
4 |
540 |
7 |
490 |
22 |
490-630 |
22 |
Product Photo
Factroy Pictures
Pipe & Tube Processing
Steel Pipe & Tube Application
Packaging and Shipping
Certificates
FAQ
Q1: ARE YOU FACTORY OR TRADER?
A1: Wuxi Sylaith Special Steel Co.,Ltd is a manufacturer of steel pipe and tube since 2010. We've gained our Export Right and become an integrated company of industry and trade in order to satisfy buyer's multi-request on different material and products.
Q2: WHICH MATERIAL/PRODUCTS YOU CAN PROVIDE?
A2: Seamless Stainless Steel Pipe / Tube, Seamless Carbon Stainless Steel Pipe /Tube,Galvanized Steel Tube witn any Shape and Welded pipes can also be available.
Q3: HOW TO GET A SAMPLE?
A3: FREE samples are available for your checking and testing. And to get free samples, you need to send us you detailed receiving address (including post code) and your DHL/FedEx/UPS account for collecting samples, courier cost will be paid in your side.
Q4:CAN YOU PRODUCE THE PRODUCTS ACCORDING TO MY OWN DRAWINGS?
A4: Yes, we can produce the products according to your drawings that will be most satisfy you.
Q5: HOW TO VISIT YOUR FACTORY?
A5: Most of the main cities have flights to Shanghai; you can take flight to Shanghai Putong/Hongqiao International Airport.
If you come from Hongkong, it will take 2 hours by flight (every day 5 flight around noon time).
Product Highlights
EN10305-1 E355 Q345B St52 Hydraulic Cylinder Honed Steel Tube Precision Steel Tube 1. Hydraulic Cylinder Tube Used in the hydraulic cylinder of the heavy machinery, Cranes, excavator also forklifts. Material is various, mainly STKM-13CT ST52 CK45 and 1020. We can work and get the mechanical property ...
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