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Grade X10CrAlSi13
ISO Numeric Designation 4724-405-77-I
Corresponding Standard ISO 4955-2016
Heat-Resistant Steels
Classification Alloy Steel
Properties Corrosion Resistance
X10CrAlSi13 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Al
Minimum Value - 0.7 - - - 12 - 0.7
Maximum Value 0.12 1.4 1 0.04 0.015 14 1 1.2
X10CrAlSi13 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) 450~650 ≥250 ≥13 ≤192
flat products, 3≤t≤12 Annealing (+A) 450~650 ≥250 ≥15 ≤192
Profiles, hexagons; 5≤d≤25 Annealing (+A) 450~650 ≥250 ≥15 ≤192
Bars and Profiles, 1.5≤d≤25 Annealing (+A) 450~650 ≥250 ≥15 ≤192
Forgings, 5≤d≤15 Annealing (+A) 450~650 ≥250 ≥15 ≤192
New and Old Grade Replacement List
Corresponding Standard Grade
ISO 4955-1994
Grade
Old Grade
ISO 4955-2005
Grade
ISO 4955-2016
Grade
ISO Numeric Designation
Approximate Comparison Table Ferritic Stainless Steel
International Organization for Standardization European Standard
ISO Numerical Grade Numerical Grade
X10CrAlSi13 4724-405-77-I 1.4724
X10CrAlSi13 Corresponding Standards(Same grade name, different standards)
1 EN 10088-1-2005
X10CrAlSi 13 1.4724
2 ISO 4955-2005
X10CrAlSi13
3 EN 10095-1999
X10CrAlSi13 1.4724
4 DIN EN 10095-2018
X10CrAlSi13 1.4724
5 ISO 4955-1994
X10CrAlSi13 (H3)
6 ISO 15510-2014
X10CrAlSi13 4724-405-77-I
7 ISO 4955-2016
X10CrAlSi13 4724-405-77-I

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