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Grade 2205
S32205
Corresponding Standard ASME SA-789/SA-789M-2023
Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service
Classification Duplex Stainless Steel
Properties Corrosion Resistance
2205 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo N
Minimum Value - - - - - 22 4.5 3 0.14
Maximum Value 0.03 1 2 0.03 0.02 23 6.5 3.5 0.2
2205 Mechanical Properties
condition Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Hardness
HBW
Tube Solution 1020~1100°C, Quench in Water or Other Methods ≥655 ≥485 ≥25 HBW: ≤290
HRC: ≤30
HV: ≤290*
* For tubing less than 0.354 in. [9.00 mm] in inside diameter and for tubing less than 0.065 in. [1.65 mm] in wall thickness, it is permissible to use the Vickers hardness test in lieu of the Brinell or Rockwell methods.
1 Approximate Comparison Table Austenitic-Ferritic Stainless Steel
China Japan United States International Organization for Standardization European Standard
GB ISC JIS ASTM UNS ISO Numerical Grade EN Numerical Grade
022Cr23Ni5Mo3N S22053 SUS329J3L 2205 S32205 X2CrNiMoN 22-5-3 4462-318-03-I X2CrNiMoN 22-5-3 1.4462
2 Approximate Comparison Table Austenitic-Ferritic Stainless Steel
United States France European Standard Sweden United Kingdom
UNS NF EN/NF EN Numerical Grade SS BS EN/BS
S32205 Z3CND22-05Az X2CrNiMoN22-5-3 1.4462 2377 318S13
3 Approximate Comparison Table Austenitic-Ferritic Stainless Steel
China United States International Organization for Standardization
GB ISC AISI UNS ISO
022Cr23Ni5Mo3N
(GB/T 39033) 		S22053 2205 S32205
(ASTM A959-16) 		X2CrNiMoN22-5-3
(ISO 15510:2014)
4 Approximate Comparison Table Stainless Steels for Cold Heading and Cold Extruding
China Japan United States International Organization for Standardization European Standard
GB ISC JIS ASTM/AISI UNS ISO Numerical Grade EN Numerical Grade
022Cr23Ni5Mo3N S22053 SUS329J3L 2205 S32205 X2CrNiMoN22-5-3 4462-318-03-I X2CrNiMoN22-5-3 1.4462
2205 Corresponding Standards(Same grade name, different standards)
1 ASTM A959-2004
2205 S32205
2 ASTM A240/240M-2018
2205 S32205
3 GB /T 21833-2008
2205 022Cr22Ni5Mo3N S22253 (00Cr22Ni5Mo3N)
4 ASTM A313/A313M-2018
2205 S32205
5 ASTM A270/A270M-2015
2205 S32205
6 ASTM A1082/A1082M-2016
2205 S32205
7 ASTM A554-2016
2205 S32205
8 ASTM A240/A240M-2020
2205 S32205
9 ASTM A959-2019
2205 S32205
10 ASTM A789/A789M-2024
2205 S32205
11 ASTM A790/A790M-2024
2205 S32205
12 ASME SA-240/SA-240M-2023
2205 S32205
13 ASME SA-789/SA-789M-2023
2205 S32205

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