DIN2391 St52 Galvanized Precision Steel Tube for Automotive System
DIN2391 St52 Galvanized Precision Steel Tube for Automotive System
Material:E215 E235 E355 ST35,ST37.4,ST45,ST52.4 etc
Size: OD:4-76mm, Wall thickness:0.5-8mm
Surface:NBK, Galvanization/Galvanized/Zinc Coated, Blue White Zinc (Trivalent Chromium Passivation),
Plating Colour Zinc(Trivalent Chromium Passivation), Yellow, Army-Green, Phosphated/Black Phosphated
Surface quality:Without oxidization, No crack, No fold, No rolling fold, No scar, No laminar defect
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% |
| Hydraulic steel tube | |||||
| Standard | Material | Delivery | Surface | Sizes | |
| DIN | 2391/1630/2445 | ST37.4 ST52.4 | NBK | 1) BA 2) 2)Black phosphating 3)Galvanizing | OD2 -60mm WT0.3-10mm |
| EN | 10305-4 | E235 E355 | (+)N | ||
| BS | 3602 | CFS 360 | Zinc Layer, thickness more than 8um | ||
| Other steel grades also available upon request | |||||
Delivery Condition: BK(+C), BKW(+LC), BKS(+SR), GBK(+A),NBK( +N)
| BK (+C) Cold finished/hard | No heat treatment after the last cold forming process. |
| BKW (+LC) Cold finished/soft | After the last heat treatment there is a light finishing pass (cold drawing). |
| BKS (+SR) Cold finished/stress relieve annealed. | After the final cold forming process the tubes are stress relieve annealed. |
| GBK (+A) Annealed. | After the final cold forming process the tubes are annealed in a controlled atmosphere. |
| NBK (+N) Normalized. | After the final cold forming process the tubes are annealed above the upper transformation point in a controlled atmosphere |
Product Display Galvanized Precision Steel Tube for Automotive System
Manufacturing Process
Application: Hydraulic system, Automobile
Packing & Delivery
Packing Details : In bundles or in wooden boxes packaging
Our Certifications
FAQ
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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