Shanxi Zhongcheng Metal Co., Ltd.
| Supply Ability | 2000 Tons per Month |
| Payment Terms | T/T,L/C |
| Steel Grade | S31803 / 2205 (UNS S31803) |
| Length | 5.8m, 6m, 11.8m, 12m, Random Length |
| PREN Value | ≥34 |
| Microstructure | Austenite-Ferrite (50/50) |
| Heat Treatment | Solution Annealed at 1020-1100°C, Water Quenched |
| Standard | ASTM A790 / ASME SA790 |
| Delivery Time | 15-25 working days for stock, 30-60 days for production |
| Packaging Details | Anti-corrosion coated, bundled with steel straps, heavy-duty seaworthy wooden cases with desiccant bags |
| Outer Diameter | 6mm - 610mm |
| Wall Thickness | 1mm - 40mm |
| Brand Name | ECER |
| Certification | ISO 9001:2015, CE, SGS, ABS, DNV, NORSOK |
| Model Number | SS-DP-2205 |
| Place of Origin | Zhejiang, China |
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Product Specification
| Supply Ability | 2000 Tons per Month | Payment Terms | T/T,L/C |
| Steel Grade | S31803 / 2205 (UNS S31803) | Length | 5.8m, 6m, 11.8m, 12m, Random Length |
| PREN Value | ≥34 | Microstructure | Austenite-Ferrite (50/50) |
| Heat Treatment | Solution Annealed at 1020-1100°C, Water Quenched | Standard | ASTM A790 / ASME SA790 |
| Delivery Time | 15-25 working days for stock, 30-60 days for production | Packaging Details | Anti-corrosion coated, bundled with steel straps, heavy-duty seaworthy wooden cases with desiccant bags |
| Outer Diameter | 6mm - 610mm | Wall Thickness | 1mm - 40mm |
| Brand Name | ECER | Certification | ISO 9001:2015, CE, SGS, ABS, DNV, NORSOK |
| Model Number | SS-DP-2205 | Place of Origin | Zhejiang, China |
| High Light | ASTM A790 S31803 duplex stainless steel pipe ，Duplex 2205 stainless steel pipe for oil gas ，Duplex stainless steel pipe offshore platforms | ||
ASTM A790 S31803 Duplex 2205 stainless steel pipe offers a unique combination of high mechanical strength and excellent corrosion resistance through its balanced austenite-ferrite microstructure. With yield strength approximately twice that of standard 304/316 austenitic grades, Duplex 2205 enables significant weight reduction in structural designs without compromising safety margins. The high chromium (22%), molybdenum (3%), and nitrogen (0.18%) content provides superior resistance to chloride stress corrosion cracking, pitting, and crevice corrosion, making it an essential material for critical offshore and subsea applications.
| Parameter | Specification |
|---|---|
| Product Type | Duplex Stainless Steel Pipe |
| Standard | ASTM A790 / ASME SA790 |
| Steel Grade | S31803 / 2205 |
| OD Range | 6mm - 610mm |
| Wall Thickness | 1mm - 40mm |
| Length | 5.8m, 6m, 11.8m, 12m, Random Length |
| Microstructure | Austenite-Ferrite ~50/50 |
| PREN Value | ≥34 |
| Heat Treatment | Solution Annealed 1020-1100°C, Water Quenched |
| Inspection | UT, RT, PMI, Ferrite Count, Corrosion Test ASTM G48 |
| Parameter | Specification |
|---|---|
| Carbon (C) | ≤0.03 |
| Manganese (Mn) | ≤2.00 |
| Silicon (Si) | ≤1.00 |
| Phosphorus (P) | ≤0.030 |
| Sulfur (S) | ≤0.020 |
| Chromium (Cr) | 22.0-23.0 |
| Nickel (Ni) | 4.5-6.5 |
| Molybdenum (Mo) | 3.0-3.5 |
| Nitrogen (N) | 0.14-0.20 |
| Parameter | Specification |
|---|---|
| Tensile Strength | ≥620 MPa |
| Yield Strength | ≥450 MPa |
| Elongation | ≥25% |
| Hardness | ≤293 HBW / ≤31 HRC |
Offshore oil and gas platform topside piping, Subsea flowlines and risers, Seawater heat exchangers, Chemical tanker cargo systems, Desalination high-pressure piping, Flue gas desulfurization systems, Pulp and paper digester equipment, Geothermal energy extraction systems
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller
Year Established:
2010
Total Annual:
20000000-50000000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
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