Thick Wall Precision Cold-Drawn Hydraulic Cylinder Pipe with
DIN2391 ST45 E355 ST52 Standard
Quick Detail:
Standards: GB 8713-88 GB/T3639-2000
Material Grade: A519 SAE1026 / A519 SAE1518 / 16Mn / 25Mn / 20# /
45# / 27SiMn / ST45 / ST52 / E355
Size(mm):
ID :45mm – 500mm
WT:3mm – 50mm
Description:
Standards: GB/T8713 GB/T3639
(GB/T8713 GB/T3639 DIN2391 EN10305 ASTM A519)
Grade: 27SiMn
Inside Dimensions: 45mm ~ 500mm
Wall Thickness: 3mm ~ 50mm
Length: max 24000mm
Application: Hydraulic Cylinder
Packing: Beveled/black painting/ plastic caps/ in bundles/ steel
strips/ wooden protection
Inspection and Test: Chemical Composition Inspection, Mechanical
Properties Test(Tensile Strength, Yield Strength,Elongation,
Flaring, Flattening, Bending, Hardness, Impact Test),Surface and
Dimension Test,Nodestructive Test, Hydrostatic Test.
Surface treatment:Oil-dip, Varnish, Passivation, Phosphating, Shot
Blasting.
Mark: As per customers’ requested.
Delivery Condition:Annealed, Normalized, Normalized and Tempered.
Processing Range And Precision
Cold Drawn Tubes: ID:45mm-630mm Length:14,000mm Straightness:0.3-1.0 Precision:H8-H10 Roughness:Ra0.8-Ra1.6 | Honing Tubes: ID:25mm-500mm Length:10,000mm Straightness:0.3 Precision:H7-H8 Roughness:Ra0.2-Ra0.8 |
ID Tolerance of Precision Honed Tubes
SIZE of I.D | I.D.Tolerance | Tolerance of wall thickness |
H8 | H9 | H10 |
30 | +0.0330 | +0.0520 | +0.0840 | <120mm(O.D) ±5% ≥120mm(D.D) to 210mm ±7.5% >210mm ±10% |
>30-50 | +0.0390 | +0.0620 | +0.1000 |
>50-80 | +0.0460 | +0.0740 | +0.1200 |
>80-120 | +0.0540 | +0.0870 | +0.1400 |
>120-180 | +0.0630 | +0.1000 | +0.1600 |
>180-250 | +0.0720 | +0.1150 | +0.185 |
>250-315 | +0.0810 | +0.1300 | +0.2100 |
>315-400 | +0.0890 | +0.1400 | +0.2300 |
Mechanical Propety
Material: 20# 45#,16Mn St45, St52, 25Mn,27SiMn, SAE1026.SAE1518
etc.
STANDARD: GB/T8713 GB/T3639 DIN2391 EN10305 ASTM A519
Delivery condition | cold finished(hard)(BK) | cold drawn and stress relieved(BK+S) |
STEEL GRADE | Rm MPa | Elongation (%) | Rm MPa | ReH MPa | Elongation (%) |
27SiMn | ≥ 800 | ≥ 5 | ≥ 760 | ≥ 610 | ≥ 10 |
20# | ≥550 | ≥ 8 | ≥ 520 | ≥ 375 | ≥ 15 |
45# | ≥ 640 | ≥ 5 | ≥ 600 | ≥ 520 | ≥ 10 |
16Mn | ≥ 640 | ≥ 5 | ≥ 600 | ≥ 520 | ≥ 14 |
25Mn | ≥ 640 | ≥ 5 | ≥ 600 | ≥ 510 | ≥ 15 |
ST45 | ≥ 550 | ≥ 5 | ≥ 520 | ≥ 375 | ≥ 15 |
E355(ST52) | ≥ 640 | ≥ 5 | ≥ 600 | ≥ 520 | ≥ 14 |
SAE1026 | ≥ 640 | ≥ 5 | ≥ 600 | ≥ 510 | ≥ 15 |
Good choice for our hydraulic cylinder Tubes
1.Merge together with Europe security idea
Our whole set hydraulic cylinder system with multi-protection can
protect the safety of worker &truck and cargo.
2.Specialized system configuration
Specialized system configuration that greatly improve work
efficiency and reduce system weight .
3.custom made is available
We can design different hydraulic tubes for system applied for
truck,lifting platform,hydraulic door and so on
Quality Control
Our Cylinder Tubes from purchased materials, processing, assembly,
have strict quality control. (we passed the certification of ISO/
BV/TUV/PED etc)
Our products are widely used in hydraulic and pneumatic power
systems,petro-chemical and metallurgical fields, CNG cylinder
productions and so on..
Product Photo
Factroy Pictures
Pipe & Tube Processing
Application
Packaging & Shippping
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).
