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| Categories | Seamless Steel Tube |
|---|---|
| Brand Name: | TORICH |
| Model Number: | DIN 1629 |
| Certification: | ISO9001, ISO14001, TS16949 |
| Place of Origin: | ZHEJIANG, CHINA |
| MOQ: | 5Tons |
| Payment Terms: | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability: | 2000Tons per Year |
| Delivery Time: | 30-45 work days |
| Packaging Details: | Tubes are packed in wooden boxes or hexagonal bundles in seaworthy packing. |
| Keyword: | Seamless Steel Tube |
| Standard: | DIN 1629/3, DIN 1629/4 |
| Material: | St37, St52, St37, St44, St52 |
| OD: | 20 - 660 mm |
| WT: | 1 - 60 mm |
| Length: | 3-12m |
| Usage: | Oil Gas Sewage Transport |
| Technique: | Hot Rolled and Cold Drawn |
| End protector: | Plastic Pipe Cap |
| Tolerance: | ±5% |
| Company Info. |
| TORICH INTERNATIONAL LIMITED |
| Verified Supplier |
| View Contact Details |
| Product List |
Standard: DIN 1629 Seamless circular unalloyed steel tubes subject to special requirements
Applications: used in construction of chemical plant,vessels,pipework and for
general mechanical engineering purposes.
Production Method: Seamless Cold Drawn/Rolling or Hot Rolling
Size range: O.D.:20-660mm W.T.:1-60mm L:max12000mm
Steel Grade and Chemical Compositions:
| Steel grade | Type of deoxidization (R, killed (including semi-killed) (RR, fully killed) | Chemical composition, % by mass | Addition of nitrogen fixing elements (e.g. not less than 0.020% A) | ||||
| Symbol | Material number | C | P | S | N | ||
| MAX | |||||||
| St 37 | 1.0254 | R | 0.17 | 0.040 | 0.040 | 0.009 | - |
| St 44 | 1.0258 | R | 0.21 | 0.040 | 0.040 | 0.009 | - |
| St 52 | 1.0421 | R | 0.22 | 0.040 | 0.035 | - | Yes |
1) A content in excess of the maximum value stated is permitted if
a phosphorus conten less than the maximum specified by 0.005% P per
0.001% N is observed. However, the nitrogen content shall not
exceed a value of 0.012% in the cast analysis and 0.014% in the
product analysis. 2) The specified maximum values do not apply if the steels are
supplied with the RR(instead of R) type of deoxidization. 3) The content shall not exceed 0.55% Si and 1.60% Mn in the cast
analysis or 0.60% Si and 1.70% Mn in the product analysis. | |||||||
Product Show
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.
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 of carbon seamless steel tube ? 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
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