Payment Terms | L/C, T/T |
Supply Ability | According To Client's Request |
Delivery Time | 10-90 Days |
Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
Standard | ASTM A790 |
Grade | UNS S31803 |
Material | Duplex Stainless Steel |
Outside Diameter | 1/8"-48" |
Wall Thickness | SCH5S to SCHXXS |
Types | Seamless |
End | BE/PE |
Length | 6m, 12m, or as required |
Brand Name | YUHONG |
Model Number | ASTM A790 S31803 |
Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015 |
Place of Origin | China |
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Product Specification
Payment Terms | L/C, T/T | Supply Ability | According To Client's Request |
Delivery Time | 10-90 Days | Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
Standard | ASTM A790 | Grade | UNS S31803 |
Material | Duplex Stainless Steel | Outside Diameter | 1/8"-48" |
Wall Thickness | SCH5S to SCHXXS | Types | Seamless |
End | BE/PE | Length | 6m, 12m, or as required |
Brand Name | YUHONG | Model Number | ASTM A790 S31803 |
Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015 | Place of Origin | China |
High Light | 12m Duplex Steel Seamless Pipe ,sch5s Duplex Steel Seamless Pipe ,Seawater Corrosion Resistant Stainless Steel Pipe |
ASTM A790 S31803 Duplex Steel Seamless Pipe
ASTM A790 S31803 is a specification for seamless duplex steel pipes. Duplex steel is a type of stainless steel that contains both austenitic and ferritic microstructures, providing excellent strength and corrosion resistance.
Seamless pipes are manufactured without any welding seams, which makes them more reliable and suitable for high-pressure and high-temperature applications.
These pipes are commonly used in industries such as oil and gas, chemical processing, and marine engineering. They are known for their superior performance in harsh environments and are highly resistant to corrosion, pitting, and cracking.
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
2205 (UNS S31803) | Min Max | - 0.030 | - 2.00 | - 1.00 | - 0.030 | - 0.020 | 21.0 - 23.0 | 2.5 - 3.5 | 4.5 - 6.5 | 0.08 - 0.20 |
2205 (UNS S32205) | Min Max | - 0.030 | - 2.00 | - 1.00 | - 0.030 | - 0.020 | 22.0 - 23.0 | 3.0 - 3.5 | 4.5 - 6.5 | 0.14 - 0.20 |
Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
Rockwell C (HR C) | Brinell (HB) | ||||
UNS S31803 / 2205 | 621 | 448 | 25 | 31 max | 293 max |
Grade | Density (kg/m3) | Elastic Modulus(GPa) | Mean Co-eff of Thermal Expansion (μm/m/°C) | Thermal Conductivity (W/m.K) | Specific Heat 0-100°C( J/kg.K) | Electrical Resistivity (nΩ.m) | |||
0-100°C | 0-315°C | 0-538°C | at 100°C | at 500°C | |||||
UNS S31803 / 2205 | 782 | 190 | 13.7 | 14.2 | - | 19 | - | 418 | 850 |
Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
---|---|---|---|---|---|---|---|
BS | En | No | Name | ||||
2205 | S31803 / S32205 | 318S13 | - | 1.4462 | X2CrNiMoN22-5-3 | 2377 | SUS 329J3L |
1. Oil and gas industry
2. Chemical processing industry
3. Power generation industry
4. Water treatment industry
5. Marine industry
6. Food processing industry
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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