Grade SCPH23
Other Names
Corresponding Standard JIS G 5151-1991
Steel Castings for High Temperature and High Pressure Service
Classification Alloy Steel
SCPH23 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni * Cu * Mo W * V Other Total
Minimum Value - - 0.5 - - 1 - - 0.9 - 0.15 -
Maximum Value 0.2 0.6 0.8 0.04 0.04 1.5 0.5 0.5 1.2 0.1 0.2 1
"Other individual elements or other totals": The chemical composition includes elements not specified in the table. Analysis should only be conducted if these elements are suspected to be present, or if routine analysis suggests that their content may exceed the prescribed limits.
* Content of impruities
SCPH23 Mechanical Properties
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Reduction of Area
ψ
%
≥550 ≥345 ≥13 ≥35
Approximate Comparison Table Cast Steel
Japan United States Germany
JIS ASTM UNS DIN EN/DIN W-Nr.
SCPH23 9 J21610 GS-17CrMoV 5 11 1.7706

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