Phosphate OD 128mm ST52 E355 17mm Seamless Steel Tube

Basic Information
Place of Origin: Zhejinag,China
Brand Name: TORICH
Certification: ISO9001, ISO14001 ,TS14969
Model Number: EN10305-4
Minimum Order Quantity: 5 tons
Packaging Details: 17mm High Precision Seamless Steel Tube,In Hexagonal bundles packaging or In wooden boxes packaging
Delivery Time: Within 30 days
Payment Terms: T/T, L/C, D/A, D/P, Western Union, MoneyGram
Supply Ability: 18000 tons per year
Detail Information
Product Name: 17mm High Precision Seamless Steel Tube Keyword: 17mm High Precision Seamless Steel Tube
Surface: Black Phosphate Finish Usage: For Hydraulic And Pneumatic Power Systems
Material: ST52 E355 Shape: Round
Length: 1-12m OD: 12-128mm
WT: 0.5-12mm Brand: TORICH
High Light:

17mm Seamless Steel Tube


ST52 E355 Seamless Steel Tube


OD 128mm Hydraulic Steel Tube

Product Description

17mm High Precision Seamless Steel Tube.jpg

17mm High Precision Seamless Steel Tube

1.Quick Detail:
Black Phosphated Hydraulic Tubes with High Precision
EN10305-1, EN10305-4, DIN2391,
E235, E355, ST37.0, ST44.0, ST52.0
Steel Pipes with high precision for Hydraulic Systems Black Phosphating

2.Production process:
DIN series tubes, cold drawn and bright annealed precision seamless steel tube is used as the tube to be phosphated. The phosphorization is realized with the imported chemical fluid to form a black film. The antirust oil is absorbed by means of the micropore on the film to prevent the tubes from getting rust.

3.Main Features:
Bright black color is homogeneously distributed on the tube surface. The tube has good property of antirust.

4.Main Application:
Phosphated hydraulic tube is mainly used in hydraulic system.

5.Our products are widely used in:
Engineering machinery Machine tool industry Hydraulic industry Special vehicle
Automobile pipeline Heavy machinery Compressor Shipbuilding industry
Railway locomotive Diesel engine Utility boiler Injection molding machine 
Power equipment Heavy duty automobile Forging and stamping machine

6.Main Characteristics:
No Oxidation Layer on the Outer and Inner Walls
No Crack under Flaring and Flattening
No Leakage under High Pressure 
No Distortion after Cold Bending 
High Precision High Cleanness Excellent Brightness



Detailed Images










1~ Incoming Raw Material Inspection
2~ Raw Material Segregation to avoid steel grade mix-up
3~ Heating and Hammering End for Cold Drawing
4~ Cold Drawing and Cold Rolling, on line inspection
5~ Heat Treatment, +A, +SRA, +LC, +N, Q+T
6~ Straightening-Cutting to specified length-Finished Measuring Inspection
7~ Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness,                  Impact, Mictrostruture etc
8~ Packing and Stocking.




Q: Are you trading company or manufacturer ?

A: A professional steel pipes materials inventor, manufacturer and solution provider

Q: How long is your delivery time?

A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but need pay the cost of freight.

Q: What is your terms of payment ?

A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us 


DIN2391 ST52 EN10305-4 E355 NBK Seamless Precision Steel Tube

Contact Details
Lucy Luo

WhatsApp : +8613736164628