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
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
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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