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Shipbuilding Seamless Steel Tube Light Weight ST52.4 With Long Service Life
| Place of Origin | China |
|---|---|
| Brand Name | Hongbao |
| Certification | TS16949, ISO9001, OHSAS18001 etc. |
| Model Number | HBPST-1 |
| Minimum Order Quantity | 1 ton |
| Price | Negotiable |
| Packaging Details | Seaworthy Wooden box, customized Packing |
| Delivery Time | 30 Days |
| Supply Ability | 60000 MT per Year |
Product Details
| Shape | Round | Application | Automotive Part, Hydraulic System, High-precsion Machining. Etc. |
|---|---|---|---|
| Delivery Condition | +C,+LC，+SR，+N，+A | Standard | DIN2391, DIN2445 |
| Processing | Cold Drawn, Cold Rolled | Certificate | TS16949,DNV,PED,ISO |
| High Light | precision seamless pipe,seamless round tubes |
||
Product Description
Round Steel Pipe DIN2391 DIN2445 St52.4 High Precision Seamless Steel Tubes
Chemical Component
C: 0.12-0.20%;
Mn: 1.20-1.60%;
Si: 0.20-0.55%.
Mechanical properties
Tensile strength: 470-660 Mpa;
Yield strength: 275-345 Mpa;
Elongation: 21%;
Main Date
| Standard | DIN2391,DIN2445 |
| Material | St52.4 |
| Outer Diameter Range: | 4-120mm |
| Wall Thickness Range: | 0.5-15mm |
Delivery Condition
NBK(+N): After the final cold drawing operation the tubes are normalized in a controlled atmosphere.
GBK(+A): After the final cold drawing process the tubes are annealed in a controlled atmosphere.
BK(+C): No heat treatment after the final cold drawig process.
BKW(+LC): After the final heat treatment there is a suitable drawing pass.
BKS(+SR): After the final cold drawing process there is a stress relieve heat treatment in a controlled atmosphere.
Surface treatment:
Oil-dip;
As customer's requirements.
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