Round Precision Steel Tube EN10305-1 EN10305-4 DIN 2391 St30Si Annealed Steel Tube

 
 Round Precision Steel Tube EN10305-1 EN10305-4 DIN 2391 St30Si Annealed Steel Tube
 
 
Quick Detail:
 
Standard: DIN 2391  EN10305-1, EN10305-4, BS 6323,  ISO 8535
Grade: St 30 Si / St 30 Al / St 35 / St37 / St37.4 / St45 / St 52 / St52.4 / E215 / E235 / 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  
 
Standard: DIN 2391, EN10305-1, EN10305-4, BS 6323,  ISO 8535
STEEL GRADE: ST30Si, ST30Al, ST35, ST37, ST37.4, ST45, ST52, ST52.4, etc
  
 
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:
 

 
 
Final supply conditions:
 

 
 
Condition on delivery:
 

 
Product Photo
 

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).