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Grade X2CrNi18-9
ISO Numeric Designation 4307-304-03-I
Corresponding Standard ISO 4954-2-2024
Steels for cold heading and cold extruding — Technical delivery conditions — Part 2: Stainless steels
Classification Austenitic Stainless Steel
Properties Corrosion Resistance
X2CrNi18-9 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu N
Minimum Value - - - - - 17.5 8 - -
Maximum Value 0.03 1 2 0.045 0.03 19.5 10 1 0.1
X2CrNi18-9 Mechanical Properties
diameter
d
mm		 Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Reduction of Area
ψ
%
5＜d≤50 +AT or +AT+PE ≤630 ≥68
5＜d≤10 +AT+C ≤880 -
10＜d≤25 ≤760 -
25＜d≤50 ≤740 -
0.8≤d≤2 +AT+C+AT ≤720 ≥68
2＜d≤5 ≤680 ≥68
5＜d≤50 ≤630 ≥68
0.8≤d≤2 +AT+C+AT+LC ≤800 ≥63
2＜d≤5 ≤750 ≥63
5＜d≤25 ≤680 ≥63
• +AT or +AT+PE=Solution annealed or solution annealed + peeled；+AT+C=Solution annealed + cold drawn；+AT+C+AT=Solution annealed + cold drawn + Solution annealed；+AT+C+AT+LC=Solution annealed + cold drawn + Solution annealed + skin passed；+A or +A+PE=Soft annealed or soft annealed + peeled；+A+LC=soft annealed + skin passed；+A+C+A=soft annealed + cold drawn + soft annealed；+A+C+A+LC=soft annealed + cold drawn + soft annealed + skin passed
1 Approximate Comparison Table
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France European Standard Russia United Kingdom
GB ISC CNS JIS KS ASTM UNS ISO Numerical Grade DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST BS EN/BS
022Cr19Ni10
(00Cr19Ni10) 		S30403 304L SUS 304L STS 304L 304L S30403 X2CrNi 19-11
X2CrNi 18-9 		4306-304-03-I
4307-304-03-I 		X2CrNi 19-11
(X2CrNi 18-9) 		1.4306 Z2CN 18-10
Z2CN 18-09 		X2CrNi 19-11
X2CrNi 18-9 		1.4306
1.4307 		03Х18Н10 304S12
2 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
022Cr19Ni10
(00Cr19Ni10) 		S30403 SUS304L 304L S30403 X2CrNi18-9 4307-304-03-I X2CrNi18-9 1.4307
X2CrNi18-9 Corresponding Standards(Same grade name, different standards)
1 EN 10088-1-2005
X2CrNi 18-9 1.4307
2 EN 10296-2-2005
X2CrNi18-9 1.4307
3 EN 10253-4-2003
X2CrNi18-9 1.4307
4 EN 10263-5-2001
X2CrNi18-9 1.4307
5 EN 10269-2006
X2CrNi18-9 1.4307
6 EN 10250-4-1999
X2CrNi 18-9 1.4307
7 ISO TS 15510-2003
X2CrNi18-9
8 DIN 17440-1972
X2CrNi 18-9 1.4306 X2CrNi 19-11
9 EN 10088-3-2005
X2CrNi 18-9 1.4307
10 EN 10269-2013
X2CrNi 18-9 1.4307
11 EN 10088-3-2014
X2CrNi 18-9 1.4307
12 ISO 15510-2014
X2CrNi18-9 4307-304-03-I
13 NF EN 10269-1999
X2CrNi18-9 1.4307
14 VDI 2230-1-2015
X2CrNi 18-9 1.4307
15 DIN EN 10263-5-2018
X2CrNi18-9 1.4307
16 DIN EN 10269-2014
X2CrNi 18-9 1.4307
17 ISO 9328-7-2018
X2CrNi18-9
18 DIN EN 10088-3-2014
X2CrNi 18-9 1.4307
19 ISO 683-18-2014
X2CrNi18-9 4307-304-03-1
20 ISO 4954-2018
X2CrNi18-9 4307-304-03-I
21 NF EN 10088-2-2005
X2CrNi18-9 1.4307
22 NF EN 10088-1-2005
X2CrNi18-9 1.4307
23 NF EN 10028-7-2008
X2CrNi18-9 1.4307
24 NF EN 10296-2-2005
X2CrNi18-9 1.4307
25 NF EN 10028-7-2000
X2CrNi18-9 1.4307
26 EN 10263-5-2017
X2CrNi18-9 1.4307
27 ISO 4954-2-2024
X2CrNi18-9 4307-304-03-I
28 DIN EN 10296-2-2006
X2CrNi18-9 1.4307

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