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| Categories | Precision Seamless Steel Tubes |
|---|---|
| Brand Name: | Hongbao |
| Certification: | TS16949, ISO9001, OHSAS18001 etc. |
| Place of Origin: | China |
| MOQ: | 1 ton |
| Price: | Negotiable |
| Supply Ability: | 60000 MT per Year |
| Delivery Time: | 30 Days |
| Packaging Details: | Seaworthy Wooden box, customized Packing |
| Model Number: | HBPST-1 |
| Shape: | Round |
| Application: | Automotive Part, Hydraulic System, High-precsion Machining. etc. |
| Payment: | T/T; L/C |
| Sample: | Free Sample |
| Origin:: | Jiangsu,China |
| Processing:: | Cold Drawn, Cold Rolled |
| Company Info. |
| Jiangsu Hongbao Group Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
+A Precision Delivery Condition Seamless Stee Standard EN10305-1 Steel Round Pipe
Description
Precision seamless steel tube is a high precision steel tube after cold rolling or cold drawing
Main Date
| Standard | EN10305-1; DIN2391; DIN2445 |
| Material | E235, E355, St37.4, St52.4 |
| Outer Diameter Range: | 4-120mm |
| Wall Thickness Range: | 0.5-15mm |
Delivery Condition
+A: After the final cold drawing process the tubes are annealed in a controlled atmosphere.
Other Delivery Conditions
+N: After the final cold drawing operation the tubes are normalized in a controlled atmosphere.
+C: No heat treatment after the final cold drawig process.
+LC: After the final heat treatment there is a suitable drawing pass.
+SR: After the final cold drawing process there is a stress relieve heat treatment in a controlled atmosphere.
Surface Treatment:
Oil-dip;
Varnish;
Shot Blasting.
Advantage
1. Smaller outer diameters;
2. High precision can be done in small batch production;
3. Cold drawing finished products with high precision and good surface quality.
4. The transverse area of the steel tube is more complicated;
5. Steel pipe performance is superior, metal is more dense.
Size Tolerance Table
| OD Range | EN10305(DIN2391) |
| 4-30mm | ±0.08mm |
| 31-40mm | ±0.15mm |
| 41-50mm | ±0.2mm |
| 51-60mm | ±0.25mm |
| 61-70mm | ±0.3mm |
| 71-160mm | ±0.30mm |
| WT Range | ±0.10mm |
|
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