Grade X6CrNiNb18-10
European Standard Steel Grade 1.4550
Corresponding Standard EN 10296-2-2005
Welded circular steel tubes for mechanical and general engineering purposes — Technical delivery conditions — Part 2 Stainless steel
Classification Austenitic Stainless Steel
X6CrNiNb18-10 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni More
Minimum Value - - - - - 17 9 Nb:10×C~1
Maximum Value 0.08 1 2 0.045 0.015 19 12
X6CrNiNb18-10 Mechanical Properties
condition Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Steel pipe: ≥510 Rp0.2:≥205
Rp1.0:≥240
l:≥35
t:≥30
◎ l=longitudinal, t=transverse
◎ Resistance to intergranular corrosiona: Yes (When tested in accordance with EN ISO3651-2)
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/AISI UNS ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST SS BS EN/BS
06Cr18Ni11Nb S34778 347 SUS 347 STS 347 347 S34700 X6CrNiNb 18-10 X6CrNiNb 18-10
(X10CrNiNb18-9)
1.4550 Z6CNNb 18-10 X6CrNiNb 18-10 1.4550 08Х18Н12Б 2338 347S17
347S31
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/AISI UNS ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST SS BS EN/BS
06Cr18Ni11Nb
(0Cr18Ni11Nb)
S34778 347 SUS 347 STS 347 347 S34700 X6CrNiNb 18-10 X6CrNiNb 18-10
(X10CrNiNb18-9)
1.4550 Z6CNNb 18-10 X6CrNiNb 18-10 1.4550 08Х18Н12Б 2338 347S17
347S31
3 Approximate Comparison Table Austenitic Stainless Steel
China International Organization for Standardization European Standard
GB ISO EN
0Cr18Ni10Nb X6CrNiNb18-10 X6CrNiNb18-10

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