Spezilla Tube Co., Ltd. (Shanghai)
| Supply Ability | 1000Tons/Month |
| Delivery Time | 30 days |
| Packaging Details | wooden cases/Bundle |
| Product Name | Stainelss Steel Pipe |
| Grade | S31803 2205 |
| Process | Cold Drawn |
| Surface Finish | Sulotion Annealed |
| MTR | EN10204 3.1 |
| Applications | transport and storage |
| Feature | Corrosion Resistance |
| Outer Diameter | 6-101.6mm |
| Thickness | 0.4-6.0mm |
| Shape | Round |
| Package | Wooden Case |
| Application | Heat Exchanger |
| Brand Name | SPEZILLA |
| Model Number | Duplex Stainless Steel |
| Certification | ISO |
| Place of Origin | CHINA |
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Product Specification
| Supply Ability | 1000Tons/Month | Delivery Time | 30 days |
| Packaging Details | wooden cases/Bundle | Product Name | Stainelss Steel Pipe |
| Grade | S31803 2205 | Process | Cold Drawn |
| Surface Finish | Sulotion Annealed | MTR | EN10204 3.1 |
| Applications | transport and storage | Feature | Corrosion Resistance |
| Outer Diameter | 6-101.6mm | Thickness | 0.4-6.0mm |
| Shape | Round | Package | Wooden Case |
| Application | Heat Exchanger | Brand Name | SPEZILLA |
| Model Number | Duplex Stainless Steel | Certification | ISO |
| Place of Origin | CHINA | ||
| High Light | duplex stainless steel pipe ，duplex ss pipe | ||
2205 stainless steel super duplex Tubing Corrosion Resistance Thickness 0.4-6.0mm
General Duplex stainless steel information
2205 is the most widely used duplex (ferritic/austenitic) stainless steel grade. It finds applications due to both excellent corrosion resistance and high strength. The standard duplex S31803 composition has over the years been refined by many steel suppliers, and the resulting restricted composition range was endorsed as UNS S32205 in 1996. Duplex S32205 gives better guaranteed corrosion resistance, but for much of the Duplex S31803 currently produced also complies with Duplex S32205.2205 is not generally suitable for use at temperatures above 300º C as it suffers from precipitation of brittle micro-constituents, nor below -50º C because of its ductile-to-brittle-transition.
Duplex Applications
Chemical processing, transport and storage,
Oil and Gas exploration and processing equipment,
Marine and other high chloride environments,
Pulp and paper digesters, liquor tanks and paper machines.
Duplex Corrosion Resistance
Excellent general corrosion resistance; Superior to Grade 316 in most environments. Excellent resistance to localized corrosion including intergranular, pitting and crevice corrosion; The CPT of 2205 is generally at least 35º C. The grade is also resistant to chloride stress corrosion cracking (SCC) at temperatures of up to about 150º C. Grade 2205 will often perform well in environments which cause premature failure of austenitic grades. It has better resistance to sea water then Grade 316.
Duplex Heat Resistance
Although 2205 has good high temperature oxidation resistance, this grade - like other duplex stainless steels - suffers from embrittlement if held for even short times at temperatures above 300º C. If embrittled, this can only be rectified by a full solution annealing treatment. Duplex stainless steels are almost never used above 300º C.
Duplex Heat Treatment
Solution treatment (annealing) - heat to 1020º C-1100º C and cool rapidly. This grade cannot be hardened by thermal treatment, but does work harden.
| Trade Name | UNS | Duplex Stainless Steel Industry Specifications | Chemical Composition | Min.Tensile (KSI) | Min.Yield (KSI) | Elongation % |
| SAF 2205® 22Cr | UNS S31803 | ASME SA-182 (F51), SA-240, SA-798, SA-790, SA-815 ASTM A182 (F51),A240, A276, A479, A789, A790, A815, A928, A988 SAE J405 | C 0.30 max Cr 21.0-23.0 Mn 2.00 max Mo 2.50-3.50 N 0.08-0.20 Ni 4.50-6.50 P 0.030 max S 0.020 max Si 1.00 max | 90 | 65 | 25 |
| SAF 2205® 22Cr | UNS S32205 | ASME SA-182 (F60), SA-240, SA-798, SA-790, SA-815 ASTM A182 (F60), A240, A276, A479, A480, A798, A790, A815, A928, A988 |
| OD, inch | OD Tolerance inch(mm) | WT Tolerance % | Length Tolernace inch(mm) | |
| + | - | |||
| ≤ 1 / 2 | ± 0.005 ( 0.13 ) | ± 15 | 1 / 8 ( 3.2 ) | 0 |
| > 1 / 2 ~1 1 / 2 | ± 0.005(0.13) | ± 10 | 1 / 8 (3.2) | 0 |
| > 1 1 / 2 ~< 3 1 / 2 | ± 0.010(0.25) | ± 10 | 3 / 16 (4.8) | 0 |
| > 3 1 / 2 ~< 5 1 / 2 | ± 0.015(0.38) | ± 10 | 3 / 16 (4.8) | 0 |
| > 5 1 / 2 ~< 8 | ± 0.030(0.76) | ± 10 | 3 / 16 (4.8) | 0 |
| 8~< 12 | ± 0.040(1.01) | ± 10 | 3 / 16 (4.8) | 0 |
| 12~< 14 | ± 0.050(1.26) | ± 10 | 3 / 16 (4.8) | 0 |
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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