DIN2391/ EN10305-1 Cold Drawn Galvanization High Precision Steel Tube NBK for Hydraulic System
Product Details
Galvanization Precision Steel Tube
,ASTM A519 Precision Steel Pipe
,NBK Precision Steel Pipes
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
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:
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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