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| Transportation: | Ocean |
Model No.: 301 401
Brand: TIANCHENG
Standard: Aisi, Astm
Place Of Origin: China
Species: Seamless
Material: 300 Series, 200 Series
Certification: Iso
Weld Shape: Efw, Seamless
Tolerance: ±1%, ±3%, ±5%
Processing Service: Welding, Punching, Cutting
Length: 6m/12m
Origin: China
Thickness: 0.1mm-115mm
MOQ: 10KG
| Selling Units | : | Ton |
| Package Type | : | Package In Bulk |
| Picture Example | : |
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The rolling method of cold drawing (rolling) Seamless Steel Pipe is more complicated than that of hot rolling (extrusion) seamless steel pipe. The first three steps of their production process are basically the same. The difference from the fourth step, round tube blank after punching, to head, annealing. After annealing, special acidic liquid is used for pickling. After pickling, oil is applied. This is followed by a special heat treatment of the rebillet tube after multiple cold drawing (cold rolling). After heat treatment, it is straightened.
301----- Good malleability for molding products. It can also be machined to harden rapidly. Good weldability. The wear resistance and fatigue strength is better than 304 Stainless Steel.
304----- is 18/8 stainless steel. The GB brand is 0Cr18Ni9. 309 -- has better temperature resistance than 304.
316----- The second most widely used steel after 304, mainly used in the food industry, pharmaceutical industry and surgical equipment.
321 -- Similar in properties to 304 except that titanium is added to reduce the risk of corrosion in the material weld.
410 -- martensite (high strength chromium steel), good wear resistance, poor corrosion resistance.
420 -- "tool grade" martensitic steel, similar to Brinell high chromium steel this earliest stainless steel. Also used in surgical knives, can be made very bright.
| Product | ASTM CE ISO 301 401 Stainless Steel Round Pipe |
| Outer Diameter | 21.3mm-660mm |
| Wall Thickness | 0.5mm-20mm |
| Dia Tolerance | Control with in the standard, OD:±1%, WT:±10% |
| Materials | 301 401 |
| Zinc coating | Pre Galvanized Steel Pipe: 60-150g/m² Hot dipped galvanized steel pipe:200-400g/m² |
| Type of pipe coating | Epoxy powder |
| Inspection | ISO,BV,SGS,MTC |
| Packing | Steel strip packed. Standard Export Seaworthy Package. Suit forall kinds of transport,or as required |
| Application | Accessorize, machinery parts, structure steel pipe, piling pipe, sewage and clear water transportation, Line pipe for petroleum and so on |
| MOQ | 5metric ton,sample order accepted |
| Shipment time | Within 7-10 workdays after receiving deposit or L/C |
| Market | Southeast Asia, Middle East, Africa, Europe, South American and so on |
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