DIN2391/ EN10305-1 Cold Drawn Galvanization High Precision Steel Tube NBK for Hydraulic System
Quick Details of Cold Drawn Galvanization High Precision Steel Tube:
Standard: DIN 2391 EN 10305-1/4
Material:E215 E235 E355 ST35,ST37.4,ST45,ST52.4 etc
Size: OD:4-76mm, Wall thickness:0.5-8mm,Length: ≤12m, or customized
Tolerance:
| Name | Scope mm | DIN seriesmm |
| OD | 04-30 | ±0.08 |
| OD | 31-40 | ±0.15 |
| OD | 41-50 | ±0.20 |
| OD | 51-60 | ±0.25 |
| Wall | 0.5-7 | ±10% |
Shapes: Round,Square,Rectagular,Oval,Special Shape according to csutomer's requirement
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
Surface quality: Without oxidization, No crack, No fold, No rolling fold, No scar, No laminar defect
Surface Customization:
Galvanization/Galvanized/Zinc Coated
Blue White Zinc (Trivalent Chromium Passivation)
Plating Colour Zinc(Trivalent Chromium Passivation)
Yellow, Army-Green
Phosphated/Black Phosphated
Delivery Condition: BK(+C), BKW(+LC), BKS(+SR), GBK(+A),NBK( +N)
What we can do in our testing center:
Physis laboratory, Chemical spectrometer, Pressure blasting machine, Metallographic analysis, Salt Spray Test
Prodct Show of Cold Drawn Galvanization High Precision Steel Tube:
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
Application of Cold Drawn Galvanization High Precision Steel Tube:
Our Certifications:
QUALITY CONTROL:
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
100% of our steel tubes are dimensionally checked
100% of our steel tubes are visually checked to assure they have a perfect surface condition and no surface defects.
100% eddy current test and ultrosonic test to eliminate longitudinal and transversal defects
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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DIN2391/ EN10305-1 Cold Drawn Galvanization High Precision Steel Tube NBK for Hydraulic System Images
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