Grade GX25CrNiSi18-9
European Standard Steel Grade 1.4825
Corresponding Standard EN 10295-2002
Heat resistant steel castings
Classification Cast Steel
Density 7.8 g/cm3
GX25CrNiSi18-9 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu * Mo W * V * Nb * Co *
Minimum Value 0.15 0.5 - - - 17 8 - - - - - -
Maximum Value 0.35 2.5 2 0.04 0.03 19 10 0.25 0.5 0.6 0.12 0.6 1
*The maximum content of the element is not specified
GX25CrNiSi18-9 Mechanical Properties
condition Test Temperature Tensile Strength
σb
Mpa
Specified Plastic Yield Strength
Rp0.2
Mpa
Elongation or Extension Rate
δ
%
cast steel Room Temperature ≥450 ≥230 ≥15
cast steel 600°C 1000h Rupture Strength σr
220
Creep Strength for 1%-10000h
78
cast steel 700°C 100h (1000h) Rupture Strength σr 120(90) Creep Strength for 1%-10000h
44
cast steel 800°C 100h (1000h) Rupture Strength σr 60(50) Creep Strength for 1%-10000h
22
cast steel 900°C 100h (1000h) Rupture Strength σr 40(30) Creep Strength for 1%-10000h
9
GX25CrNiSi18-9 Corresponding Standards(Same grade name, different standards)

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