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| Categories | Precision Steel Tube |
|---|---|
| Brand Name: | TORICH |
| Model Number: | DIN2391 |
| Certification: | ISO9001, ISO14001, TS16949 |
| Place of Origin: | ZHEJIANG, CHINA |
| MOQ: | 2 TONS |
| Price: | Negotiable |
| Payment Terms: | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability: | 6000Tons per Year |
| Delivery Time: | 30-45 work days |
| Packaging Details: | Din2391 Seamless Precision Steel Tubes are packed in wooden boxes or standard seaworthy package |
| Keyword: | Seamless Precision Steel Tubes |
| Standard: | DIN2391 |
| Grade Group: | 10#, 20#, 16Mn, ST35, St45, St52 |
| Technique: | Cold Drawn |
| Surface Treatment: | Oiled |
| Shape: | Round |
| OD: | 4-80mm |
| WT: | 0.5-10mm |
| End protector: | Plastic Pipe Cap |
| Usage: | Mechanical and automotive engineering |
| Company Info. |
| TORICH INTERNATIONAL LIMITED |
| Verified Supplier |
| View Contact Details |
| Product List |
Din2391 Seamless Precision Steel Tube For Mechanical / Automotive Engineering
Torich supply precision steel tubes size from OD 4 mm to OD80 mm, Wall thickness from WT 0.5 mm to WT 10 mm, Length max 12m,
Could Cut to length for your special requests.Material ST 35,St45,St52 St30Al,St 30Si,Other materials upon agreement with customers.
Standard: DIN2391
Size Range: OD: 4-80mm, WT: 0.5-10mm, Length: 1-12m
Steel Grade: 10#, 20#, 16Mn, ST35, St45, St52
Chemical Compositions
| Grade | C max | Si max | Mn | P max | S max |
| ST35 | 0.17 | 0.35 | ≥0.40 | 0.025 | 0.025 |
| ST45 | 0.21 | 0.35 | ≥0.40 | 0.025 | 0.025 |
| ST52 | 0.22 | 0.35 | ≥1.60 | 0.025 | 0.025 |
Mechanical properties
| Grade | Condition | Tensile Point(Mpa) | Yield Point(Mpa) | Enlongation |
| ST35 | BK | ≥440 | ≥6% | |
| BKW | ≥370 | ≥10% | ||
| GBK | ≥315 | ≥25% | ||
| NBK | 340-470 | 235 | ≥25% | |
| ST45 | BK | ≥540 | ≥5% | |
| BKW | ≥470 | ≥8% | ||
| GBK | ≥390 | ≥21% | ||
| NBK | 440-570 | 255 | ≥21% | |
| ST52 | BK | ≥590 | ≥5% | |
| BKW | ≥540 | ≥7% | ||
| GBK | ≥490 | ≥22% | ||
| NBK | 490-630 | 355 | ≥22% |
1.Production method:
Cold Drawn on the seamless steel tubes, to reach high accuracy on
the OD and WT tolerance
2.Features:
Smooth inner and outer surfaces, Available in a variety of outer diameter sizes
Good raw material quality, Narrow tolerance
3.Deliver condition:
1). BK Cold finished (hard)
2). BKW Cold finished (soft)
3). BKS Cold finished and stress relieved
4). GBK Annealed
5). NBK Normalized
4.Relative standard:
DIN2391 Precision Seamless Steel tubes for precision hydraulic
systems
DIN2393 Precision Welded Steel tubes for precision hydraulic
systems
Product Pictures of Din2391 Seamless Precision Steel Tube
Packing & Delivery
Packing Details : In bundles or in wooden boxes packaging
1.Coated by antirust oil.
2.Sheathed by paper carton tube, both end covered by roundness
paper carton.
3. Cotton rope twined and bundled without interspace, to avoid any
surfaced scratched.
4. Plastic film covered overall of bundled bars, to keep seal.
5. (Options) Woven tarpaulin covered overall of bundled bars, to
keep packing clear.
6. Lifting belts on the middle of bundled bars.
7. (Options) Wooden box packed.
Our Certifications
QUALITY CONTROL
1. Incoming Raw Material Inspection
2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing and Cold Rolling, on line inspection
5. Heat Treatment, +A, +SRA, +LC, +N, Q+T
6. Straightening-Cutting to specified length-Finished Measuring
Inspection
7. Machanical Testing in own labs with Tensile Strength, Yield
Strength, Elongation, Hardness, Impact, Mictrostruture etc
8. Packing and Stocking
100% of our steel tubes are dimensionally checked
100% of our steel tubes are visually checked to assure they have a
perfect surface condition and no surface defects.
100% eddy current test and ultrosonic test to eliminate
longitudinal and transversal defects
FAQ
Q: Are you trading company or manufacturer ?
A: A professional steel pipes materials inventor, manufacturer and solution provider
Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30%
T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us
Q: Stock is available ?
A: Some regual sizes of precision steel tubes is available with stock,Usually produce according to the order
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