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Grade 304
USA UNS S30400
Corresponding Standard ASTM A959-2004
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
Classification Austenitic Stainless Steel
Properties Strength Corrosion Resistance Low-Temperature Toughness Forgability
304 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni
Minimum Value - - - - - 18 8
Maximum Value 0.08 1 2 0.045 0.03 20 11
1 Approximate Comparison Table
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France European Standard Russia Sweden United Kingdom
GB ISC CNS JIS KS ASTM UNS ISO Numerical Grade DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST SS BS EN/BS
06Cr19Ni9 S30408 304 SUS 304 STS 304 304 S30400 X5CrNi 18-10 4301-304-00-I X5CrNi 18-10
(X5CrNi 18-9) 		1.4301 Z6CN 18-09 X5CrNi 18-10 1.4301 08Х18Н10 2332
2333 		304S15
2 Approximate Comparison Table
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France European Standard Russia Sweden United Kingdom
GB ISC CNS JIS KS ASTM UNS ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST SS BS EN/BS
06Cr19Ni10
(0Cr18Ni9) 		S30408 304 SUS 304 STS 304 304 S30400 X5CrNi 18-10 X5CrNi 18-10
(X5CrNi 18-9) 		1.4301 Z6CN 18-09 X5CrNi 18-10 1.4301 08Х18Н10 2332
2333 		304S15
3 Approximate Comparison Table
China Japan United States Germany France European Standard Russia Sweden United Kingdom
GB JIS ASTM DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST SS BS EN/BS
0Cr18Ni9 SUS304 304
304N 		X5CrNi18-10
X5CrNi18-9 		1.4301 X5CrNi18-10
Z5CN18-09
Z6CN18-09
Z7CN18-09 		X5CrNi18-10 1.4301 08KH18N10 2333
2333-02 		304S15
304S31
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
06Cr19Ni10
(0Cr18Ni9) 		S30408 SUS304 304 S30400 X5CrNi18-10 4301-304-00-I X5CrNi18-10 1.4301
304 Corresponding Standards(Same grade name, different standards)
1 GB /T 20878-2007
304 06Cr19Ni10 S30408 (0Cr18Ni9)
2 ASTM A959-2004
304 S30400
3 GB /T 1221-2007
304 06Cr19Ni10 S30408 (0Cr18Ni9)
4 ASTM A193/A193M-2001
304 A193 B8 Class 1 S30400
5 ASTM A240/240M-2018
304 S30400
6 GB /T 1220-2007
304 06Cr19Ni10 S30408 (0Cr18Ni9)
7 ASTM A493-2009(2013)
304 S30400
8 SAE J467b-1956(R1968)
304
9 ASTM A276/A276M-2017
304 S30400
10 GB /T 3280-2015
304 06Cr19Ni10 S30408 (0Cr18Ni9)
11 SAE AMS 5513H-2004
304
12 SAE AMS 5639J-2017
304 19Cr-10Ni
13 SAE AMS 5913B-2014
304 19Cr-9.2Ni
14 GB /T 4237-2015
304 06Cr19Ni10 S30408 (0Cr18Ni9)
15 GB 2100-1980
304 ZG0Cr18Ni9Ti
16 ASTM A193/A193M-2019
304 A193 B8 Class 1 S30400
17 ASTM A320/A320M-2018
304 A320 B8 Class 1 S30400
18 ASTM A473-2018
304 S30400
19 SAE J405-2018
304 S30400
20 ASTM A313/A313M-2018
304 S30400
21 ASTM F899-2020
304 S30400
22 ASTM A493-2016
304 S30400
23 ASTM A240/A240M-2020
304 S30400
24 ASTM A193/A193M-2020
304 A193 B8 Class 1 S30400
25 ASTM A959-2019
304 S30400
26 ASTM A320/A320M-2021
304 A320 B8 Class 1 S30400
27 Q/BQB 4302-2009
304 SUS 304
28 ASTM A479/A479M-2018
304 S30400
29 GB /T 41157.3-2022
304 06Cr19Ni10
30 Q/YT 102-2019
304 06Cr19Ni9
31 ASTM A194/A194M-2023
304 A194 Grade 8 S30400
32 ASTM A403/A403M-2022
304 WP304 S30400

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