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EN 10216-5 1.4462 Duplex Stainless Steel Pipe Duplex 2205 / UNS S32205 Seamless Pipe

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EN 10216-5 1.4462 Duplex Stainless Steel Pipe Duplex 2205 / UNS S32205 Seamless Pipe

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MOQ : 1000kgs

Standard : EN 10215-5

High Light : EN 10216-5 1.4462 Duplex Stainless Steel Pipe, Duplex 2205 / UNS S32205 Seamless Pipe

Model Number : EN 10216-5 1.4462 Duplex Stainless Steel Pipe

Packaging Details : Ply-wooden Case /Iron Case/ Bundle with plastic Cap

General Size : OD21.3mm~762mm, THK ~30mm(±10%~±12.5%)

Brand Name : YUHONG

Delivery Time : 7 DAYS

Length : Single Random, Double Random & Cut Length

Application : Power plant, Oil and gas refining, Marine environments, Pollution control equipment

Payment Terms : L/C, T/T

End : Plain End, Beveled End

Type : Seamless

Place of Origin : CHINA

Certification : ABS, LR, GL, DNV, NK, TS, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008

Grade : 1.4462, Duplex 2205, UNS S32205

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EN 10216-5 1.4462 / UNS S32205 Duplex Stainless Steel Pipe Duplex 2205 Seamless Pipe

EN 10216-5 1.4462 duplex stainless steel pipe is a European standard (EN) seamless steel tube made of duplex (austenitic-ferritic) stainless steel, specifically designed for pressure purposes at elevated temperatures and corrosive environments. The material number 1.4462 corresponds to the commercial grade Duplex 2205 and the UNS designation S32205. As a "seamless pipe," it is manufactured without a welded joint—produced via extrusion or rotary piercing—which ensures uniform grain structure, higher pressure resistance, and complete integrity for critical applications.

Equivalent Grade of 1.4462 / UNS S32205 Duplex Stainless Steel Seamless Pipes

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

Chemical Composition of ASTM A790 UNS S32205 Duplex Stainless Steel Seamless Pipes

Grade C Mn Si P S Cr Mo Ni N
UNS S32205 / 2205 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

Mechanical Composition of 1.4462 / UNS S32205 Duplex Stainless Steel Seamless Pipes

Grade Tensile Strength
(MPa) min		 Yield Strength
0.2% Proof
(MPa) min		 Elongation
(% in 50mm) min		 Hardness
Rockwell C (HR C) Brinell (HB)
UNS S32205 / 2205 621 448 25 31 max 293 max

Physical Properties of 1.4462 / UNS S32205 Duplex Stainless Steel Seamless Pipes

Grade Density
(kg/cm3)		 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 S32205 / 2205 7.8 190 13.7 14.2 - 19 - 418 850

The main differences between EN 1021-5 1.4462 and ASTM A790 UNS S32205 duplex steel pipe:

Criterion EN 10216-5 1.4462 ASTM A790 UNS S32205
Manufacturing Seamless only Seamless or Welded
Chemistry Less strict (allows S31803 low end) Stricter (guarantees S32205 high end)
Impact Testing Mandatory Only if requested
Dimension System Metric (mm) / European OD series Imperial (NPS / Schedule)
Certification EN 10204 (3.1 / 3.2) ASTM A530 / A1016 report
Regional Approval CE mark / PED required ASME Code stamp / U-stamp compatible

Applications

  • Oil & Gas Industry: Downhole tubing, flowlines, and process piping for offshore platforms (subsea) containing CO₂ and H₂S (sour service).

  • Chemical & Petrochemical: Heat exchangers, pressure vessels, and piping systems handling acids (sulfuric, phosphoric) and organic acids.

  • Pulp & Paper: Digester blow lines and white liquor tanks.

  • Marine Engineering: Seawater cooling systems and fire-fighting pipelines.

  • Desalination Plants: High-pressure reverse osmosis piping.

EN 10216-5 1.4462 Duplex Stainless Steel Pipe Duplex 2205 / UNS S32205 Seamless Pipe


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