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| Categories | Stainless Steel Seamless Pipe |
|---|---|
| Brand Name: | TISCO, ZPSS, BAOSTEEL, POSCO, JISCO, LISCO, etc |
| Model Number: | 321 seamless stainless steel pipe |
| Place of Origin: | CHINA |
| MOQ: | 25T |
| Price: | negothiable |
| Payment Terms: | L/C, T/T |
| Supply Ability: | 2000T PER MONTH OR MORE |
| Delivery Time: | 15-20 days after deposit |
| Packaging Details: | Export Package |
| Certification: | mill certificate |
| Material: | 321 seamless stainless steel pipe |
| Standard: | EN, BS, JIS, etc |
| Type: | seamless stainless steel pipe |
| Size: | 6mm - 1174mm Or Customized |
| Grade: | Q235, Q235B, S275, S275jr, A53, st37, etc |
| Oiled or Non-oiled: | Non-oiled |
| Application: | Fluid Pipe, Boiler Pipe, Drill Pipe, Hydraulic Pipe, Gas Pipe, |
| Technique: | ERW, SAW |
| OD: | 10mm 20mm |
| Length: | 1000-5800mm,6000-12000mm |
| Processing Service: | Bending, Welding, Decoiling, Punching, Cutting, Moulding |
| Surface Finish: | 2B |
| Section Shape: | Round |
| Company Info. |
| Wuxi Baoneng Stainless Steel Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
321 seamless stainless steel pipe
321 SS is a titanium stabilized austenitic chromium-nickel
stainless steel which was developed to provide an 18-8 type alloy
with improved intergranular-corrosion resistance. This material is
stabilized against chromium carbide formation by the addition of
titanium. Since titanium has a stronger affinity for carbon than
chromium, titanium carbide precipitates within the grains instead
of forming at the grain boundaries. 321 stainless steel should be
considered for applications requiring intermittent heating between
800ºF (427ºC) and 1650ºF (899ºC), or for welding under conditions
which prevent a post-weld anneal. 321 stainless steel is
non-magnetic.
Typical applications include:
Aircraft exhaust manifolds, expansion joints, bellows, furnace parts, heating element tubing, heat exchangers, woven or welded screens for high-temperature mineral processing, spiral welded tube for burner pipes and flues
ElementType 321 (Wt.%)
Carbon: 0.08 max
Manganese: 2.00 max.
Phosphorus: 0.045 max.
Sulfur: 0.030 max.
Silicon: 1.00 max.
Chromium: 17.00-19.00
Nickel: 9.00-13.00
Titanium: 5(C+N) min/ 0.70 max
Element (Wt.%)
| Carbon | Manganese | Phosphorus | Sulfur | Silicon | Chromium | Nickel | Titanium |
| 0.08max | 2.00max | 0.045max | 0.030max | 1.00max | 17.00-19.00 | 9.00-13.00 | 5(C+N) min/ 0.70 max |
Mechanical Property
| Material Item | Tensile Strength (MPa) | Yield Strength (MPa) | Extension | Hardness (HV) | Density |
| 321 | ≥520 | ≥205 | ≥40% | ≤200 | 8.03g/cm³ |
Surface Treatment
| Surface Treatment | Definition | Application |
| NO.1 | A hot - rolled piece whose surface has been treated by heat treatment, pickling or the corresponding process | Chemical Tanks, Pipes, Chemical Industry Equipment etc. |
| 2B | After cold rolling, heat treatment, pickling or other equivalent treatment, the final cold rolling to give appropriate luster | Medical Equipment, Food Industry, Construction Material, Kitchen Utensils etc. |
| BA | After cold rolling, bright heat treatment is given | Kitchen Utensils, Electric Equipment, Building Construction etc. |
| NO.4 | Products polished with abrasives 150 to 180 as specified in JIS R6001 | Kitchen Utensils, Building Construction, Medical Equipment etc. |
| HL | After polishing, use the appropriate abrasive size to form a continuous polishing streak | Building Construction etc. |
| 8K | A mirror-like reflective surface given by polishing with finer abrasives over 800 mesh | Reflector, Mirror, Interior and exterior decoration etc. |
PIPE
| Commodity | 321 seamless/welded stainless steel pipe |
| Grade | 321 |
| OD | 6mm-426mm, or as customized |
| WT | 1mm-30mm, or as customized |
| Length | 5m-7m, or as customized |
| Surface | Pickling, matt, polished, mirror |
| Application | Construction field, ships building industry, petroleum & chemical industries, war and electricity industries, food processing and medical industry, boiler heat exchange, machinery hardware fields, etc. |
| Delivery Time | 7-30 days, according to quantity |
| Price Terms | FOB/ CFR/ CIF |
| Package | In bundles, water proof packing, in wooden case, or as per customers’ requirement |
FAQ
Q1:What product information must I provide before making a purchase?
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