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1.4821

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X15CrNiSi25-4 X15CrNiSi25-21
#X15CrNiSi25-4 #1-4821

Description

UK B.S. BS EN 10088-1, BS EN 10095, 1.4821 Specialsteel Heat resisting steels and nickel alloys and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 1.4821
Category Class Grade Standard Country Application
Steel GradesSpecialsteel 1.4821 B.S. UK Heat resisting steels and nickel alloys

Chemical composition(mass fraction)(wt.%) of the 1.4821

C Si Mn P S Cr Ni Al N
0.10 -0.20 0.80 -1.50 ≤2.00 ≤0.040 ≤0.015 24.50 -26.50 3.50 -5.50 ≤ ≥ ≤0.11

Mechanical Properties of steel grade 1.4821

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
113 (≥) 158 (≥) 31 41 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical Properties of steel grade 1.4821

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
23 - -     0.33 -  
719 693 - 22.3 342   -  
292 - 42 14.2   433 124

Heat Treatment of steel grade 1.4821

Heat treated : 1729°C - 1318°C

Technological Curves of steel grade 1.4821

Relevant standard of 1.4821

BS EN 10088-1 Stainless steels - Part 1: List of stainless steels BS-EN-10088-1.pdf
BS EN 10095 Heat resisting steels and nickel alloys BS-EN-10095.pdf
X15CrNiSi25-4 X15CrNiSi25-21
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