TORICH INTERNATIONAL LIMITED
| Standard | ASTM, DIN |
| Standard2 | ASTM A513-2007, DIN EN 10305 |
| Grade Group | 10#-45#, Q195-Q345, ST35-ST52 |
| Grade | 10#, 20#, Q195, Q215, Q235, Q345, St37, St37-2, ST37.4, St45, St52, St52.4 |
| Thickness | 1 - 35 mm |
| Section Shape | Round |
| Outer Diameter(Round) | 6 - 350 mm |
| Secondary Or Not | Non-secondary |
| Application | Hydraulic Pipe |
| Technique | Cold Drawn |
| Surface Treatment | oil |
| Characteristic | Precision Cold Drawn Tube |
| Production Method | Drawn Over A Mandrel (DOM) |
| Keyword | 50mm welded steel pipe tube |
| Place of Origin | Zhejiang, China (Mainland) |
| Certification | ISO 9001 TS16949 ISO 14001 |
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Product Specification
| Standard | ASTM, DIN | Standard2 | ASTM A513-2007, DIN EN 10305 |
| Grade Group | 10#-45#, Q195-Q345, ST35-ST52 | Grade | 10#, 20#, Q195, Q215, Q235, Q345, St37, St37-2, ST37.4, St45, St52, St52.4 |
| Thickness | 1 - 35 mm | Section Shape | Round |
| Outer Diameter(Round) | 6 - 350 mm | Secondary Or Not | Non-secondary |
| Application | Hydraulic Pipe | Technique | Cold Drawn |
| Surface Treatment | oil | Characteristic | Precision Cold Drawn Tube |
| Production Method | Drawn Over A Mandrel (DOM) | Keyword | 50mm welded steel pipe tube |
| Place of Origin | Zhejiang, China (Mainland) | Certification | ISO 9001 TS16949 ISO 14001 |
| High Light | spiral welded steel pipe ，erw precision steel tubes | ||
Professional supply high strength pre-galvanized 50mm welded steel pipe tube
EN10305-2 Cold Drawn Welded Precision Steel Tubes DOM tubing E155,E195,E235,E275,E355 +C +LC +SR +A +N
DOM is a process that is applied to tubing after it is initially constructed.It is refferred to as Seamless ,It can be said that do seamless process method on ERW tubes,So the tubes will have a high strength ,high quality .Material form E155 E195 E235 E275 E355 1020 1026 and so on .DOM tubing is commonly use in auto parts .
50mm welded steel pipe tube
Production Process:
Cold rolling by Cold pilger machine and Cold rolling machine
Size: 20-350mm
1. Standard:
EN10305-2 Cold Drawn Precision Seamless Steel Pipes
2. Steel Grade:
E155,E195,E235,E275,E355, other materials upon agreement with customers.
3. Production method:
Cold drawn on the welded steel tubes, to reach high accuracy on the OD and WT tolerance
4. Size range:
O.D.:20-350mm W.T.:1-35mm L:max12000mm
5. Packing:
In Hexagonal Bundles, with anti-rust oil protection, with seaworthy packing
6. Deliver condition:
1). +C No heat treatment after the final cold drawing process
2). +LC After the final heat treatment there is a suitable drawing pass
3). +SR After the final cold drawing process there is a stress relieve heat treatment in a controlled atmosphere
4). +A After the final cold drawing process the tubes are annealed in a controlled atmosphere
5). +N After the final cold drawing operation the tubes are normalized in a controlled atmosphere
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.
A: A professional steel pipes materials inventor, manufacturer and solution provider
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.
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
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
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Trading Company,Seller
Year Established:
1997
Total Annual:
10million-15million
Employee Number:
100~150
Ecer Certification：
Verified Supplier
Who We are ？ TORICH is an enterprise that has been producing precision steel pipes and steel pipe processing for over 20 years, with a factory area of approximately 20000 square meters The main products produced are carbon steel and alloy steel grade seamless steel pipes, we... Who We are ？ TORICH is an enterprise that has been producing precision steel pipes and steel pipe processing for over 20 years, with a factory area of approximately 20000 square meters The main products produced are carbon steel and alloy steel grade seamless steel pipes, we...
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