Spezilla Tube Co., Ltd. (Shanghai)
| Payment Terms | T/T or L/C |
| Supply Ability | 1000 TONS / MONTH |
| Delivery Time | 25 DAYS |
| Packaging Details | PLY-WOODEN CASE / BUNDLE WITH PLASTIC CAP |
| Product Name | Stainless Steel Tube |
| Standard | ASME SA789 |
| Materials | UNS S32205 |
| O.D. | 1" |
| W.T. | BWG18 |
| Length MAX | 12000MM Max. |
| Pipe Finish | TIG Welded |
| Shape | Round |
| Application | Industry,Petroleum |
| Type | Seamless/Welded |
| Surface | Pickling,Annealed |
| Brand Name | SPEZILLA |
| Model Number | Seamless Tube |
| Certification | ISO9001:2008, PED 97/23/EC |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T or L/C | Supply Ability | 1000 TONS / MONTH |
| Delivery Time | 25 DAYS | Packaging Details | PLY-WOODEN CASE / BUNDLE WITH PLASTIC CAP |
| Product Name | Stainless Steel Tube | Standard | ASME SA789 |
| Materials | UNS S32205 | O.D. | 1" |
| W.T. | BWG18 | Length MAX | 12000MM Max. |
| Pipe Finish | TIG Welded | Shape | Round |
| Application | Industry,Petroleum | Type | Seamless/Welded |
| Surface | Pickling,Annealed | Brand Name | SPEZILLA |
| Model Number | Seamless Tube | Certification | ISO9001:2008, PED 97/23/EC |
| Place of Origin | CHINA | ||
| High Light | S32205 Duplex Stainless Steel Tube ，32mm Duplex Stainless Steel Tube ，Seamless s32205 stainless steel | ||
High Precision 32mm super duplex stainless steel grades Tube Smooth Surface UNS S32205 / S31803
Duplex 2205 is a nitrogen enhanced duplex stainless steel that was developed to combat common corrosion problems encountered with the 300 series stainless steels. “Duplex” describes a family of stainless steels that are neither fully austenitic, like 304 stainless, nor purely ferritic, like 430 stainless. The structure of 2205 duplex stainless steel consists of austenite pools surrounded by a continuous ferrite phase. In the annealed condition, 2205 contains approximately 40-50% ferrite. Often referred to as the work horse grade, 2205 is the most widely used grade in the duplex family of stainless steels.
The advantage of a duplex structure is that it combines the favorable qualities of a ferritic alloy (stress corrosion cracking resistance and high strength) with those of an austenitic alloy (ease of fabrication and corrosion resistance).
Usage of 2205 Duplex stainless steel should be limited to temperatures below 600° F. Extended elevated temperature exposure can embrittle 2205 stainless.
Corrosion Resistance
2205 duplex stainless steel is a cost effective solution for many applications where the 300 series stainless steels are susceptible to chloride stress corrosion cracking. Stress corrosion cracking occurs when stainless steels are subjected to tensile stress, while in contact with solutions containing chlorides. Increasing temperatures also increase the susceptibility of stainless steels to stress corrosion cracking.
The combination of chromium, molybdenum and nitrogen convey the good resistance of 2205 to chloride pitting and crevice corrosion. This resistance is extremely important for services such as marine environments, brackish water, bleaching operations, closed loop water systems and some food processing applications. The high chromium, molybdenum and nitrogen contents of 2205 provide corrosion resistance superior to common stainless steels, such as, 316L and 317L in most environments.
Chemical Composition
| Cr | Ni | Mo | C | N |
|---|---|---|---|---|
| 22.0-23.0 | 4.50-6.50 | 3.00-3.50 | .030 Max | 0.14-0.20 |
| Mn | Si | P | S | Fe |
| 2.00 Max | 1.00 Max | .030 Max | .020 Max | Balance |
Specifications of Duplex Stainless Steel Welded Tube
1. Standard: ASTM ASME
2. Grade: 630 / 631 / 2205 / 2507 / 17-4PH
ASTM A789, ASTM A790, ASTM A450, ASTM A530,
GB/T 14976, GB/T 14975, GB/T 13296, etc
3. OD: 8mm-1000mm
4. Wall thickness: 0.3mm-30mm
5. Length: max.18000mm or as demand
6. Surface finish: Polishing (180#,220#,240#,320#400#,600#), Hairline, acid pickled, etc.
Specifications:
| Specifications (ASTM/ASME) Duplex Stainless Steel Pipe | ||||
| Alloy | UNS Designation | Material Specification | Tubing Specification | Pipe Specification |
| 2205 | S31803/S32205 | A 240/SA-240 | A 270 | A 790/SA-790 |
| A 789/SA-789 | A928/SA928 | |||
Chemical Compositions:
| Chemical Composition (%) Duplex Stainless Steel Pipe | ||
| Alloy | 2205 | 2205 |
| UNS Designation | S31803 | S32205 |
| Carbon (C) max. | 0.030 | 0.030 |
| Manganese (Mn) max. | 2.00 | 2.00 |
| Phosphorus (P) max. | 0.030 | 0.030 |
| Sulfur (S) max. | 0.020 | 0.020 |
| Silicon (Si) max. | 1.00 | 1.00 |
| Chromium (Cr) | 21.0 - 23.0 | 22.0 - 23.0 |
| Nickel (Ni) | 4.5 - 6.5 | 4.5 - 6.5 |
| Molybdenum (Mo) | 2.5 - 3.5 | 3.0 - 3.5 |
| Nitrogen (N) | 0.08 - 0.20 | 0.14 - 0.20 |
| Iron (Fe) | Balance | Balance |
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2011
Total Annual:
>3000000.00
Ecer Certification：
Verified Supplier
Spezilla specialise in manufacturing high quality precision stainless steel tube and other corrosion resistant alloy tubes that are designed to industry and customer specifications. Our products are manufactured to the highest quality standards and are very competitively priced. Our mission is to pr... Spezilla specialise in manufacturing high quality precision stainless steel tube and other corrosion resistant alloy tubes that are designed to industry and customer specifications. Our products are manufactured to the highest quality standards and are very competitively priced. Our mission is to pr...
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