2205 / 2507 Duplex Stainless Steel Pipe Manufacturer & Supplier
| Product name | 2205 2507 duplex stainless steel pipe |
| Related name | duplex corrosion resistant tube, sch40 sch80 duplex stainless steel pipe, ss duplex seamless pipe, ss duplex welded pipe, super duplex 2507 pipe |
| Common size | Ф22*1-5mm, Ф27*2-5mm, Ф48*2-8mm, Ф51*2-8mm, 57*2-10mm, Ф108*2.5-18mm, Ф273*5-40mm, Ф377*8-45mm, Ф456*8-50mm |
| Material | Stainless Steel 2205 2507 |
| Standard | AiSi ASTM JIS DIN EN BS |
| Technique | cold rolled / hot rolled |
| Type | Welded / Seamless |
| Thickness | 0.1mm-50mm |
| Normal size | 1mm/1.25mm/1.5mm/2mm/3mm |
| OD | 6mm – 2500mm |
| Length | 5.8m, 6m, 12m or as per customer’s request |
| Tolerance | Out diameter: ±0.1mm / Thickness: ±0.02mm / Length: ±1cm |
| Surface Treatment | pickled, brightened, annealed, polished(#180, 240, 320, 400, 500, 600, 700, 800 grid), colored |
Chemical Composition Sheet
The chemical composition sheet of 2205 and 2507 duplex stainless steel pipe.
| Material | Chemical Composition | ||||||||
| C | Si | Mn | Cr | Ni | S | P | Mo | N | |
| 2205 | ≤0.03% | ≤1.00% | ≤2.00% | 21.00%-24.00% | 4.50%-6.50% | ≤0.030% | ≤0.040% | 2.50%-3.50% | 0.08%-0.20% |
| 2507 | ≤0.03% | ≤0.80% | ≤1.20% | 24.00%-26.00% | 6.00%-8.00% | ≤0.02% | ≤0.035% | 3.00%-5.00% | 0.24%-0.32% |
Hot Topic
What is the difference between 2205 and 2507 stainless steel?
From the perspective of grade, 2205 is a standard duplex stainless steel, while 2507 is a super duplex stainless steel.
In terms of performance, 2507 contains higher contents of chromium, nickel, and molybdenum, particularly nitrogen content. This gives it comprehensive advantages over 2205 in both corrosion resistance and mechanical strength. Specifically, 2507 stainless steel outperforms 2205 in resistance to pitting and crevice corrosion, making it suitable for harsh environments-such as high temperatures and high chloride conditions (e.g., concentrated seawater, strong acids)-where 2205 may be limited. Additionally, the strength of 2507 is approximately 30% higher than that of 2205.
Regarding application fields, 2205 stainless steel is widely used in highly corrosive environments such as petrochemicals, seawater desalination and marine engineering, offering an excellent cost-performance balance. 2507 stainless steel is applied in more extreme conditions, such as high pressure pipelines for deep sea oil and gas extraction.
The choice between stainless steel 2205 and 2507 depends on the application environment. Stainless steel 2205 is suitable for most corrosive environments and represents a cost-effective option. In extremely severe conditions, however, the superior performance of stainless steel 2507 is necessary, despite its higher cost.
Hot Tags: 2205 2507 duplex stainless steel pipe, China 2205 2507 duplex stainless steel pipe manufacturers, suppliers, factory.
