Yuhong Group Co.,Ltd
| Payment Terms | T/T,L/C |
| Supply Ability | 1000 tons per month |
| Delivery Time | Depends on quantity |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap/Woven Case |
| Compliance Standards | ASTM A789 / ASME SA789 / EN 10216-5 |
| Form | Seamless/ Welded |
| Surface Finish | Pickled / 180-320 Grit/Bright Annealed |
| Resistance to Media | Seawater, H₂S/CO₂, Chlorides, Dilute Acids (e.g., H₂SO₄ ≤10%) |
| Brand Name | YUHONG |
| Model Number | ASTM A789 S32205 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T,L/C | Supply Ability | 1000 tons per month |
| Delivery Time | Depends on quantity | Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap/Woven Case |
| Compliance Standards | ASTM A789 / ASME SA789 / EN 10216-5 | Form | Seamless/ Welded |
| Surface Finish | Pickled / 180-320 Grit/Bright Annealed | Resistance to Media | Seawater, H₂S/CO₂, Chlorides, Dilute Acids (e.g., H₂SO₄ ≤10%) |
| Brand Name | YUHONG | Model Number | ASTM A789 S32205 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001 | Place of Origin | CHINA |
| High Light | S32205 Duplex Steel Tube ，ASTM A789 Duplex Steel Tube ，Gas Industry Duplex Steel Tube | ||
ASTM A789 S32205 (UNS S32205) duplex stainless steel tube
1. Brief introduction
ASTM A789 S32205 (UNS S32205) duplex steel tubes are high-performance tubular products designed for extreme environments requiring exceptional strength and corrosion resistance. With a balanced microstructure of 50% austenite and 50% ferrite, these pipes deliver yield strength up to 450 MPa – twice that of standard 316L stainless steel – while maintaining excellent toughness across temperatures ranging from -50°C to 300°C.
2. Chemical composition (ASTM A789 standard)
| element | Content (wt.%) |
|---|---|
| Cr | 22.0 - 23.0 |
| Ni | 4.5 - 6.5 |
| Mo | 3.0 - 3.5 |
| N | 0.14 - 0.20 |
| Mn | ≤2.00 |
| Si | ≤1.00 |
| C | ≤0.030 |
| P | ≤0.030 |
| S | ≤0.020 |
3. International equivalent brand of ASTM A789 S32205
| standard | Brand |
|---|---|
| UNS | S32205 |
| EN | 1.4462 (X2CrNiMoN22-5-3) |
| DIN | W. Nr 1.4462 |
| GB/T | 022Cr22Ni5Mo3N |
| JIS | SUS329J3L |
4. Mechanical properties (solution annealed state)
| Properties | Numeric |
|---|---|
| Tensile strength (Rm) | ≥620 MPa |
| Yield strength (Rp0.2) | ≥450 MPa |
| Elongation (A50mm) | ≥25% |
| Hardness (HBW) | ≤290 |
5. Application fields of ASTM A789 S32205 Duplex Steel Tube
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2007
Total Annual:
50M-70M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9... YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
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