E235 E355 ST35 ST45 ST52 Black Phosphated Precision Cold Drawn Seamless Steel Tube
Product Details
E235 Seamless Steel Tube
,DIN2391 Seamless Steel Tube
,Phosphated Seamless Steel Pipe
E235 E355 ST35 ST45 ST52 Black Phosphated Precision Cold Drawn Seamless Steel Tube
TORICH adopts Cold Drawn to ensure high dimensional accuracy and good surface finish of precision steel tube.
TORICH is specified in manufacturing black phosphated precision steel tube according to EN10305-/1/4 with the material
of E235, E355,AND according to DIN2391 with the material of ST35,ST45, ST52...
This precision steel tube is widely used for Hydraulic Pneumatic Cylinders, Mechanical engineer.
1. Quick Detail:
Standard: EN10305-1, EN10305-4, DIN2391,
Material: E235, E355, ST37.0, ST44.0, ST52.0
Chemical composition:
| Standard | Steel Grade | C(%) | Si(%) | Mn(%) | S(%) | P(%) |
| DIN 2391 | St35 | ≤0.17 | ≤0.35 | ≥0.40 | ≤0.025 | ≤0.025 |
| St37 | ≤0.17 | ≤0.35 | ≥0.40 | ≤0.025 | ≤0.025 | |
| St37.4 | ≤0.17 | ≤0.35 | ≥0.40 | ≤0.025 | ≤0.025 | |
| St45 | ≤0.21 | ≤0.35 | ≥0.40 | ≤0.025 | ≤0.025 | |
| St44 | ≤0.21 | ≤0.35 | ≥0.40 | ≤0.025 | ≤0.025 | |
| St52 | ≤0.22 | ≤0.35 | ≥1.60 | ≤0.025 | ≤0.025 |
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:
For auto industry, machinery use, oil cylinder, motorcycle shock absorber.
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
Product Display of High Precision Seamless Cold Drawn Hydraulic Pipe
Manufacturing Process
Company Introduction
Packing Details : In bundles or in wooden boxes packaging
Delivery Details : 30-60days
Hydraulic System Black Phosphated And Oiled Steel Pipe
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 of carbon seamless steel tube ? 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.
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