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| Categories | Precision Steel Tube |
|---|---|
| Brand Name: | TORICH |
| Model Number: | DIN 2391 |
| Certification: | ISO 9001 |
| Place of Origin: | Zhejiang China |
| MOQ: | 1 Ton |
| Payment Terms: | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability: | 500 Ton Per Month |
| Delivery Time: | 4-6 Weeks |
| Packaging Details: | 1.Wrapped in waterproof paper of steel pipe tube. 2.Sackcloth with several steel strips of steel tube pipe. 3.Cover cap of steel pipe tube. 4. Wooden case of steel pipe tube. |
| Load Type: | Gas |
| Usage: | Automobile;Auto;Car |
| Color of of steel pipe tube: | Slivery of steel pipe tube |
| Craft of steel pipe tube: | Sold drawn & cold rolled |
| certification: | ISO 9001 |
| name: | carbon steel seamless pipe |
| Company Info. |
| TORICH INTERNATIONAL LIMITED |
| Verified Supplier |
| View Contact Details |
| Product List |
DIN2391 Carbon Seamless Steel Pipe Tube
German Standard:
Chemical Composition
|
Standard
|
Steel Grade
| C(%) | Si(%) | Mn(%) | S(%) | P(%) |
| DIN 2391 | St35 | ≤0.17 | ≤0.35 | ≥0.40 | ≤0.025 | ≤0.025 |
| St37 | ≤0.17 | ≤0.35 | ≥0.40 | ≤0.025 | ≤0.025 | |
| St37.4 | ≤0.17 | ≤0.35 | ≥0.40 | ≤0.025 | ≤0.025 | |
| St45 | ≤0.21 | ≤0.35 | ≥0.40 | ≤0.025 | ≤0.025 | |
| St44 | ≤0.21 | ≤0.35 | ≥0.40 | ≤0.025 | ≤0.025 | |
| St52 | ≤0.22 | ≤0.35 | ≥1.60 | ≤0.025 | ≤0.025 |
Mechanical Property:
| Standard | Steel Grade | Mechanical Performance | ||||
| GBK(+A) | NBK(+N) | |||||
| Tensile Strength (Rm mpa) | Elongation rate (A5 %) | Tensile Strength (Rm mpa) | Yield Strength (Reh mpa) | Elongation rate (A5 %) | ||
| DIN 2391 | St35 | ≥315 | ≥25 | 346-478 | ≥235 | ≥25 |
| St37 | ≥315 | ≥25 | 346-478 | ≥235 | ≥25 | |
| St37.4 | ≥315 | ≥25 | 346-478 | ≥235 | ≥25 | |
| St45 | ≥390 | ≥21 | 440-570 | ≥255 | ≥21 | |
| St44 | ≥390 | ≥21 | 440-570 | ≥255 | ≥21 | |
| St52 | ≥490 | ≥22 | 490-630 | ≥355 | ≥22 | |
Other Specification:
| End Shape | Beveled end, plain end, vanished, or adding plastic caps to protect the two ends as per customer's requirements | |
| Surface Treatment | Oiled, Galvanized, Phosphate etc | |
| Technique | Cold drawn & cold rolled | |
| Application | 1. Automotive and mechanical pipes | |
| 2. Petroleum cracking pipes | ||
| 3. High Pressure Boiler Pipe | ||
| 4. Low and middle pressure fluid transportation pipeline | ||
| 5. Chemical fertilizer equipment pipes | ||
| 6. Heat exchanger pipes | ||
| Delivery Conditions | 1. BK (+C) | No heat treatment after last cold forming process. |
| 2. BKW (+LC) | After last heat treatment there is a light finishing pass (cold drawing) | |
| 3. BKS (+SR) | After the final cold forming process the tubes are stress relieve annealed. | |
| 4. GBK (+A) | After the final cold forming process the tubes are annealed in a controlled atmosphere. | |
| 5. NBK (+N) | After the final cold forming process the tubes are annealed above the upper transformation point in a controlled atmosphere. | |
| Package | 1. Bundle Packing. | |
| 2. Plain end or vanished as per customer's request. | ||
| 3. Wrapped in waterproof paper. | ||
| 4. Sackcloth with several steel strips. | ||
| 5. Pack in heavy tri-wall boxes. | ||
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