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Grade Grade HF Type 19Cr-9Ni
USA UNS J92603
Corresponding Standard ASTM A297/A297M-2017
Steel Castings, Iron-Chromium and Iron-Chromium-Nickel, Heat Resistant, for General Application
Classification Cast Steel
Grade HF Type 19Cr-9Ni Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo *
Minimum Value 0.2 - - - - 18 8 -
Maximum Value 0.4 2 2 0.04 0.04 23 12 0.5
Grade HF Type 19Cr-9Ni Mechanical Properties
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
%
≥485 ≥240 Gauge distance 50mm: ≥25ⓐ
1 Approximate Comparison Table Heat-Resistant Cast Steels and Alloys
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France Russia United Kingdom
GB ISC CNS JIS KS ASTM UNS ISO DIN EN/DIN W-Nr. NF EN/NF GOST BS EN/BS
ZG25Cr18Ni9Si2 C53801 SCH 12 SCH 12
SCH 31 		HRSC 12 HF J92603 GX25CrNiSi18-9 GX25CrNiSi18-9 1.4825 GX25CrNiSi18-9 10Х18Н9Л GX25CrNiSi18-9
2 Approximate Comparison Table Heat-Resistant Cast Steels and Alloys
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France Russia United Kingdom
GB ISC CNS JIS KS ASTM UNS ISO DIN EN/DIN W-Nr. NF EN/NF GOST BS EN/BS
ZG40Cr22Ni10Si2 C53871 ≈SCH 12 SCH 12X ≈HRSC 12 HF J92603 GX40CrNiSi22-10 GX40CrNiSi20-9 1.4826 GX40CrNiSi22-10 40Х24Н12СЛ GX40CrNiSi22-10
GradeHFType19Cr-9Ni Corresponding Standards(Same grade name, different standards)
1 ASTM A297/A297M-2017
Grade HF Type 19Cr-9Ni J92603
2 ASTM A297/A297M-2021(a)
Grade HF Type 19Cr-9Ni J92603

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