Grade 16Cr25N
China ISC S12550
Old Grade
Corresponding Standard GB /T 1221-2007
Heat-Resistant Steel Bars
Classification Ferritic Stainless Steel
16Cr25N Chemical Element Composition Content (%)
Component C Si Mn P S Cr Cu * N
Minimum Value - - - - - 23 - -
Maximum Value 0.2 1 1.5 0.04 0.03 27 0.3 0.25
16Cr25N Mechanical Properties
diameter
d
mm
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Hardness
HBW
d≤75 (annealed) ≥510 ≥275 ≥20 ≤201
1 Approximate Comparison Table Ferritic Heat-Resistant Steel
China Taiwan, China Japan South Korea United States
GB ISC CNS JIS KS ASTM UNS
16Cr25N
(2Cr25N)
S12550 SUH 446 SUS 446 STR 446 446 S44600
2 Approximate Comparison Table Ferritic Stainless Steel
China Japan United States International Organization for Standardization European Standard
ISC JIS ASTM UNS ISO Numerical Grade EN Numerical Grade
S12550 SUH446 446 S44600 X15CrN26 4749-446-00-I X18CrN28 1.4749

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