| Place of Origin: | China |
|---|---|
| Brand Name: | SunShine |
| Certification: | ISO9001 |
| Model Number: | 6mm to 114.3mm |
| Minimum Order Quantity: | 5T |
| Packaging Details: | In Bundles, Woodenbox As Your Requirement |
| Delivery Time: | 30days |
| Payment Terms: | L/C, T/T |
| Supply Ability: | 2000T/Month |
| Name: | Seamless Precision Tube | OD. Range: | 6mm – 114.3mm |
|---|---|---|---|
| Wall Thickness: | 1mm-15mm | Standard: | DIN2391 |
| Grade: | ST35, ST37, ST45, ST52,ST35.2,ST52.2 | Length: | Max Length 12M |
| High Light: | ST37.4 black seamless steel pipe,DIN2391 black seamless steel pipe,din 2391 c st37 4 |
||
DIN2391 Cold Drawn Pipe Seamless Tube ST35, ST37, ST45, ST52,ST35.2,ST52.2
DIN 2391 Seamless cold-drawn tubes
DIN 2391 Seamless precision steel tubes
ST35 Precision tubes
ST45 Precision tubes
ST52 Precision tubes
Seamless precision tubes
DIN 2391 NBK Seamless Precision Steel Tubes
DIN 2391 ST35 Seamless precision steel tubes
DIN 2391 ST45 Seamless precision steel tubes
DIN 2391 ST52 Seamless precision steel tubes
ST 52 Honed tubes
ST52 cylinder tubes
Specifications:
Grade and Chemical Composition ( ％ )
| Item |
Grade |
C max |
Mn |
P max |
S max |
Si max |
| St35 | 1.0308 | 0.17 | ≥0..4 | 0.025 | 0.025 | 0.35 |
| St45 | 1.0408 | 0.21 | ≥0.4 | 0.025 | 0.025 | 0.35 |
| St52 | 1.0508 | 0.22 | ≤1.6 | 0.025 | 0.025 | 0.55 |
Mechanical properties
| item | grade |
Cold finished (Hard) (BK) |
Cold finished (Soft) (BKW) |
Cold finished and stress-relieved (BKS) |
Annealed (GBK) |
Normalized (NBK) |
|||||||
| Rm | A | Rm | A | Rm | ReH | A | Rm | A | Rm | ReH | A | ||
| MPa | ％ | MPa | ％ | MPa | MPa | ％ | MPa | ％ | MPa | ％ | |||
| 1 | ST35 | 480 | 6 | 420 | 10 | 420 | 315 | 14 | 315 | 25 | 340-470 | 235 | 25 |
| 2 | ST45 | 580 | 5 | 520 | 8 | 520 | 375 | 12 | 390 | 21 | 440-570 | 255 | 21 |
| 3 | ST52 | 640 | 4 | 580 | 7 | 580 | 450 | 10 | 450 | 22 | 490-630 | 355 | 22 |
FAQ
Q: What product information must I provide before making a purchase?
Please provide the grade, width, thickness, and surface treatment requirements, as well as the quantities you require.
Q: What shipping ports are there?
We normally ship from Shanghai,Tianjin, Qingdao, and Ningbo ports
Q: Is it possible to send samples?
Of course, we offer free samples and express shipping to customers all over the world.
Q: Do you offer a service for customized products?
Yes, we can produce according to your specifications and drawings.
Q: Can I pay you a visit at your factory?
Customers from all around the world are welcome to visit our factory.
Q: Can you assist me in importing steel products for the first time?
Yes, we have shipping agent who will arrange the shipment with you.
Q: Do you have any MOQ limit for production?
We don’t have any MOQ limit. But as for our steel pipe product, we usually use container transport for lower freight. In the case of express delivery, high freight charges will be generated.
Q: Is it OK to print my logo on the product or the carton packing?
Yes. Please inform us formally before our production and confirm the design firstly based on our sample.
Q: How to pack the product?
The inner layer has a waterproof paper outer layer, iron packaging, and is fixed with a fumigated wooden pallet. It
can effectively protect products from corrosion during ocean transportatio
