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Grade 321S12
Classification Austenitic Stainless Steel
Properties Corrosion Resistance
321S12 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo Ti Nb
Minimum Value - 0.2 0.5 - - 17 9 - - - -
Maximum Value 0.08 1 2 0.045 0.03 19 12 0.5 0.5 0.1 0.2
1 Approximate Comparison Table Austenitic Stainless Steel
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
06Cr18Ni11Ti S32168 321 SUS 321 STS 321 321 S32100 X6CrNiTi 18-10 4541-321-00-I X6CrNiTi 18-10
(X10CrNiTi 18-9) 		1.4541 Z6CNT 18-10 X6CrNiTi 18-10 1.4541 09Х18Н10Т
Х18Н10Т 		2337 321S12
321S31
2 Approximate Comparison Table Austenitic Heat-Resistant Steel
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
06Cr18Ni11Ti
(0Cr18Ni11Ti) 		S32168 321 SUS 321 STS 321 321 S32100 X6CrNiTi 18-10 X6CrNiTi 18-10
(X10CrNiTi 18-9) 		1.4541 Z6CNT 18-10 X6CrNiTi 18-10 1.4541 09Х18Н10Т 2337 321S12
321S31
3 Approximate Comparison Table Austenitic Stainless Steel
China Japan United States Germany France European Standard Russia Sweden United Kingdom
GB JIS ASTM DIN EN/DIN NF EN/NF EN Numerical Grade GOST SS BS EN/BS
0Cr18Ni12Mo2Ti
1Cr18Ni12Mo2Ti 		316Ti
SUS316Ti 		316Ti X10CrNiMoTi18-10
X6CrNiMoTi17-12-2 		Z6CNDT17-12
Z6CNT17-12 		X6CrNiMoTi17-12-2 1.4571 08KH17N13M2T
10KH17N13M2T 		2350
2350-02 		320S31
321S12
4 Approximate Comparison Table Austenitic Heat-Resistant Steel
Japan United States International Organization for Standardization France European Standard Russia Sweden United Kingdom
JIS ASTM UNS ISO NF EN/NF EN Numerical Grade GOST SS BS EN/BS
SUS321H 321H S32109 X7CrNiTi18-10 Z6CNT18-10 X8CrNiTi18-10 1.4878 12KH18N10T 2337 321S12
321S51
5 Approximate Comparison Table Austenitic Stainless Steel
China Japan United States International Organization for Standardization Germany France Russia United Kingdom
GB JIS ASTM/AISI UNS ISO DIN EN/DIN NF EN/NF GOST BS EN/BS
0Cr18Ni11Ti
0Cr18Ni9Ti 		SUS321 321 S32100 15 X10CrNiTi18-9 Z6CNT18.10 08Х18Н10Т 321S12
321S20
321S12 Corresponding Standards(Same grade name, different standards)
1 BS
321S12
2 BS 970-4-1970
321S12 (EN58B) (EN58C)

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