Grade X6CrNi25-20
1.4951
Corresponding Standard NF EN 10028-7-2008
Flat products made of steels for pressure purposes - Part 7 : stainless steels
Classification Austenitic Stainless Steel
X6CrNi25-20 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni N
Minimum Value 0.04 - - - - 24 19 -
Maximum Value 0.08 0.7 2 0.035 0.015 26 22 0.1
◎ Elements not quoted in this table shall not be intentionally added to the steel without the agreement of the purchaser except for finishing the cast. All precautions are to be taken to avoid the addition of such elements from scrap and other materials used in production which would impair mechanical properties and the suitability of the steel.
X6CrNi25-20 Mechanical Properties
condition Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Impact Energy Absorption
KV2
J
C:T ≤ 8 +AT 530~730 Rp0.2:≥220
Rp1.0:≥250
①②
T < 3mm: ≥35
T ≥ 3mm: ≥ 35
②③
20℃:
(l: ≥100;t: ≥60)
H:T ≤ 13.5 +AT 510~710 Rp0.2:≥200
Rp1.0:≥240
①②
T < 3mm: ≥35
T ≥ 3mm: ≥ 35
②③
20℃:
(l: ≥100;t: ≥60)
P:T ≤ 75 +AT 510~710 Rp0.2:≥200
Rp1.0:≥240
①②
T < 3mm: ≥35
T ≥ 3mm: ≥ 35
②③
20℃:
(l: ≥100;t: ≥60)
◎ C-Cold rolled strip;H-Hot rolled strip;P-Hot rolled plate;T-Thickness;t-transverse;l-Longitudinal
◎ +A=annealed;+AT=solution annealed;+QT = quenched and tempered;+RA=recrystallizing annealed condition

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