Annealed DIN 2391 Cold Drawn Steel Tube High Precision For Hydraulic Cylinder
Quick Detail
Standards: DIN2391 ST52 (16Mn)
Material Grade: 16Mn / 25Mn / 20# / 45# / 27SiMn / ST45 / ST52 / E355 / A519 SAE1518 / A519 SAE1026 /
Size(mm):
ID :45mm – 500mm
WT:3mm – 50mm
Description
Standards: DIN2391 ST52 (16Mn)
(GB/T8713 GB/T3639 DIN2391 EN10305 ASTM A519)
Grade: ST52 (16Mn)
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 (%) |
|
20# |
≥550 |
≥ 8 |
≥ 520 |
≥ 375 |
≥ 15 |
|
45# |
≥ 640 |
≥ 5 |
≥ 600 |
≥ 520 |
≥ 10 |
|
16Mn |
≥ 640 |
≥ 5 |
≥ 600 |
≥ 520 |
≥ 14 |
|
25Mn |
≥ 640 |
≥ 5 |
≥ 600 |
≥ 510 |
≥ 15 |
|
27SIMn |
≥ 800 |
≥ 5 |
≥ 760 |
≥ 610 |
≥ 10 |
|
ST45 |
≥ 550 |
≥ 5 |
≥ 520 |
≥ 375 |
≥ 15 |
|
E355(ST52) |
≥ 640 |
≥ 5 |
≥ 600 |
≥ 520 |
≥ 14 |
|
SAE1026 |
≥ 640 |
≥ 5 |
≥ 600 |
≥ 510 |
≥ 15 |
Product Photo
Application
Packing & Delivery
Our Factory
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).
