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X15CrNiSi25-21

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ISO H15 ISO H16
#X15CrNiSi25-21

Description

International ISO ISO 15510 (2010), ISO 4955 (2005), X15CrNiSi25-21 Specialsteel Heat-resistant steels and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: X15CrNiSi25-21
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel X15CrNiSi25-21 Austenite ISO International Heat-resistant steels

Chemical composition(mass fraction)(wt.%) of the X15CrNiSi25-21

C Si Mn P S Cr Ni
≤0.20 1.50 -2.50 ≤2.00 ≤0.045 ≤0.030 24.00 -26.00 19.00 -22.00

Mechanical Properties of steel grade X15CrNiSi25-21

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)
699 (≥) 661 (≥) 24 11 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical Properties of steel grade X15CrNiSi25-21

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
31 - -     0.42 -  
181 855 - 31.3 112   -  
291 - 23 32.2   424 123

Heat Treatment of steel grade X15CrNiSi25-21

Heat treated : 1682°C - 1167°C

Technological Curves of steel grade X15CrNiSi25-21

Cross Reference Table (Equivalent Grade) of X15CrNiSi25-21

Grade Standard Country Application
X15CrNiSi25-21(20)
X15CrNiSi25-21(20)

Relevant standard of X15CrNiSi25-21

ISO 15510 (2010) Stainless steels -- Chemical composition ISO-15510-(2010).pdf
ISO 4955 (2005) Heat-resistant steels ISO-4955-(2005).pdf
ISO H15 ISO H16
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