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Grade Z15CNS25-20
Corresponding Standard NF A 35-573-1996
Flat products of stainless steel, heat-resistant steel and alloy steel
Classification Austenitic Stainless Steel
Properties Corrosion Resistance
Z15CNS25-20 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni
Minimum Value - 1.5 - - - 24 19
Maximum Value 0.15 2.5 2 0.04 0.015 26 21
Z15CNS25-20 Mechanical Properties
condition Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
%
Plates, Strips, and Wide Strips; t≤5 540~740 ≥240 ≥35
Plates, Strips, and Wide Strips; 5<t≤75 540~740 ≥240 ≥30
1 Approximate Comparison Table Austenitic Heat-Resistant Steel
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 DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST BS EN/BS
20Cr25Ni20
(2Cr25Ni20) 		S31020 SUH 310 SUH 310 STR 310 310 S31000 X15CrNi 25-21 X15CrNiSi 25-20 1.4841 Z15CNS 25-20 X15CrNi 25-20 1.4845 20Х25Н20С2 310S31
2 Approximate Comparison Table Austenitic Heat-Resistant Steel
China United States International Organization for Standardization Germany France European Standard Russia United Kingdom
GB ISC UNS ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST BS EN/BS
16Cr25Ni20Si2
(1Cr25Ni20Si2) 		S38340 S31400 X15CrNiSi 25-21 X15CrNiSi 25-20 1.4841 Z15CNS 25-20 X15CrNiSi 25-21 1.4841 20Х25Н20С2 310S24
3 Approximate Comparison Table Austenitic Heat-Resistant Steel
United States France European Standard Russia
ASTM/AISI NF EN/NF EN Numerical Grade GOST
314 Z15CNS25-20 X15CrNiSi25-21 1.4841 20KH25N20S2
Z15CNS25-20 Corresponding Standards(Same grade name, different standards)
1 NF A 35-573-1990
Z15CNS25-20
2 NF A 35-573-1996
Z15CNS25-20
3 NF A 35-590-1992
(Z15CNS25-20) X15CrNiSi25-20
4 NF A 35-578-1991
Z15CNS25-20

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