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Grade X15CrNiSi20-12
ISO Numeric Designation 4828-305-09-I
Old Grade
Corresponding Standard ISO 4955-2016
Heat-resistant Steels
Classification Alloy Steel
Properties Corrosion Resistance
X15CrNiSi20-12 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni N
Minimum Value - 1.5 - - - 19 11 -
Maximum Value 0.2 2.5 2 0.045 0.03 21 13 0.1
X15CrNiSi20-12 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 Solid Solution Annealing (+AT) 550~750 ≥230 ≥28 ≤223
flat products, 3≤t≤75 Solid Solution Annealing (+AT) 550~750 ≥230 ≥30 ≤223
Section steel, 5 ≤ d ≤ 160 Solid Solution Annealing (+AT) 550~750 ≥230 ≥30 ≤223
Bars and Profiles, 1.5≤d≤25 Solid Solution Annealing (+AT) 550~750 ≥230 ≥30 ≤223
Forgings, d≤100 Solid Solution Annealing (+AT) 550~750 ≥230 ≥30 ≤223
Approximate Comparison Table Austenitic Stainless Steel
International Organization for Standardization European Standard
ISO Numerical Grade Numerical Grade
X15CrNiSi20-12 4828-305-09-I 1.4828
X15CrNiSi20-12 Corresponding Standards(Same grade name, different standards)
1 EN 10088-1-2005
X15CrNiSi 20-12 1.4828
2 ISO 4955-2005
X15CrNiSi20-12 (13)
3 EN 10296-2-2005
X15CrNiSi20-12 1.4828
4 EN 10095-1999
X15CrNiSi20-12 1.4828
5 DIN EN 10095-2018
X15CrNiSi20-12 1.4828
6 ISO 15510-2014
X15CrNiSi20-12 4828-305-09-I
7 SEW 470(1976)
X15CrNiSi20-12 1.4828
8 ISO 4955-2016
X15CrNiSi20-12 4828-305-09-I (13)
9 EU 95-1979
X15CrNiSi 20-12
10 NF EN 10088-1-2005
X15CrNiSi20-12 1.4828
11 NF EN 10296-2-2005
X15CrNiSi20-12 1.4828
12 DIN EN 10296-2-2006
X15CrNiSi20-12 1.4828

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