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Grade X15CrN26
ISO Numeric Designation 4749-446-00-I
Old Grade
Corresponding Standard ISO 4955-2016
Heat-Resistant Steels
Classification Alloy Steel
Properties Corrosion Resistance
X15CrN26 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni N
Minimum Value - - - - - 24 - 0.15
Maximum Value 0.2 1 1 0.04 0.03 28 1 0.25
X15CrN26 Mechanical Properties
Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Hardness
HBW
flat products, 0.5≤t＜3 Annealing (+A) 500~700 ≥280 ≥13 ≤212
flat products, 3≤t≤12 Annealing (+A) 500~700 ≥280 ≥15 ≤212
Profiles, hexagons; 5≤d≤25 Annealing (+A) 500~700 ≥280 ≥15 ≤212
Bars and Profiles, 1.5≤d≤25 Annealing (+A) 500~700 ≥280 ≥15 ≤212
Forgings, 5≤d≤15 Annealing (+A) 500~700 ≥280 ≥15 ≤212
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
X15CrN26 Corresponding Standards(Same grade name, different standards)
1 ISO 4955-2005
X15CrN26 (7)
2 ISO 15510-2014
X15CrN26 4749-446-00-I
3 ISO 4955-2016
X15CrN26 4749-446-00-I (7)

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