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1.4742

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X10CrAlSi18 X10CrAlSi25
#X10CrAlSi18 #1-4742

Description

UK B.S. BS EN 10088-1, BS EN 10095, 1.4742 Specialsteel Heat resisting steels and nickel alloys and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 1.4742
Category Class Grade Standard Country Application
Steel GradesSpecialsteel 1.4742 B.S. UK Heat resisting steels and nickel alloys

Chemical composition(mass fraction)(wt.%) of the 1.4742

C Si Mn P S Cr Ni Al
≤0.12 0.70 -1.40 ≤1.00 ≤0.040 ≤0.015 17.00 -19.00 ≤ ≥ 0.70 -1.20

Mechanical Properties of steel grade 1.4742

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)
248 (≥) 888 (≥) 14 32 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade 1.4742

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
32 - -     0.33 -  
622 684 - 34.3 241   -  
213 - 13 23.2   412 121

Heat Treatment of steel grade 1.4742

Heat treated : 1178°C - 1821°C

Technological Curves of steel grade 1.4742

Relevant standard of 1.4742

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
X10CrAlSi18 X10CrAlSi25
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