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Machinery Mild Steel Hollow Bar Big Diameter Thick Wall Thickness DIN2391
| Place of Origin | Jiangsu, China |
|---|---|
| Brand Name | Hongbao |
| Certification | TS16949,DNV,PED,ISO,TUV,LR |
| Model Number | HBHST-1 |
| Minimum Order Quantity | 1 ton |
| Price | Negotiable |
| Packaging Details | Original packaging according to the customers Export standard package in bundled or as required. |
| Delivery Time | within 50 days |
| Supply Ability | 30000MT per year |
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xProduct Details
| Certificate | TS16949,DNV,PED,ISO,TUV,LR | OD | 6-120mm |
|---|---|---|---|
| Thickness | 0.5-15mm | Type | Welded Or Seamless |
| Processing | Cold Drawn, Cold Rolled | Shape | Round |
| High Light | hollow steel bar,hollow steel pipe |
||
Product Description
DIN2391 Cold Drawn Precision Hollow Steel Tube Big Diameter Welded Steel Pipe
Description:
Steel Grade/Steel Material:
E155 E195 E235 E275 E355
Delivery Condition:
1. BK Cold finished(hard)
2. BKW Cold finished(soft)
3. BKS Cold finished and stress-relieved
4. GBK Annealed
5. NBK Normalized
Characteristic:
Good concentricity
Good OD and ID tolerance
High precision
Stable quality
Smooth roughness
Steel Tube Production Process:
Raw material → Incoming inspection → Cutting → Heating → Piercing → Hammering →Pickling → Cold-drawing → Heat treatment → Physical chemistry test → Straightening → Ends cutting → Final inspection → Bundling →Storage
| Heat treatment method |
+Cc, +LCc, +SR, +Ad, +N Note: Special steel grade is also available, according to customer request. |
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