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 |
| Materials | Duplex Steel UNS S32507 |
| Product Name | Duplex Stainless Steel Tube |
| Standard | ASME SA789 |
| O.D. | 5/8"-2" |
| W.T. | BWG18-BWG14 |
| Length MAX | 12000MM Max. |
| Pipe Finish | TIG Welded |
| Type | Welded |
| Shape | Round |
| Surface | Bright Annealed |
| Application | Heat exchanger |
| Package | Wooden case |
| 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 |
| Materials | Duplex Steel UNS S32507 | Product Name | Duplex Stainless Steel Tube |
| Standard | ASME SA789 | O.D. | 5/8"-2" |
| W.T. | BWG18-BWG14 | Length MAX | 12000MM Max. |
| Pipe Finish | TIG Welded | Type | Welded |
| Shape | Round | Surface | Bright Annealed |
| Application | Heat exchanger | Package | Wooden case |
| Brand Name | SPEZILLA | Model Number | Seamless Tube |
| Certification | ISO9001:2008, PED 97/23/EC | Place of Origin | CHINA |
| High Light | super duplex pipe ，duplex ss pipe | ||
Super Duplex Stainless Steel 2507 ASTM A789 Duplex Steel Tube Annealed
Super Duplex tubing (2507) is made from a Duplex stainless steel, developed as a result of the growing need to solve corrosion problems in Sweden’s sulfite paper industry in the early twentieth century. As the name implies, Duplex alloys are a group of stainless steels – including Duplex, Lean Duplex, 25-Chrome and Super Duplex – with roughly equal portions of austenite and ferrite steel. The chemical composition improves intergranular and pitting corrosion resistance.
Super Duplex 2507 tubing (S32750, S32760) has excellent general corrosion resistance, including excellent resistance to stress corrosion cracking, a tremendous resistance to pitting corrosion and a high resistance to crevice corrosion. 2507 tubing also provides high tensile and impact strength, along with a low coefficient of thermal expansion but high thermal conductivity and good weldability.
Specifications:
S32750 Standard Specification:
| Standard | ASTM A789, ASME SA789 |
| Equivalent Standards | DIN 17458, GOST 9941-81, GOST 9940-81, EN 10216-5, ASTM A790, ASME SA790, DIN 17456 |
| Material | S32750 |
| Equivalent Materials | X2CrNiMoN25-7-4, 1.4410, 2507, F53 |
| Related Products | stainless steel tube, stainless steel pipe, heat exchanger steel tube, ASTM A789 |
Features
| C % | Si % | Mn % | P % | S % | Cr % | Ni % | Mo % | N % | Cu % |
| 0.03 max | 0.8 max | 1.2 max | 0.035 max | 0.02 max | 24.0-26.0 | 6.0-8.0 | 3.0-5.0 | 0.24-0.32 | 0.50 max |
| Tensile Strength, Mpa | Yield Strength, MPa | Elongation, % | Hardness, HB |
| 800 min | 550 min | 15 min | 310 max |
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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