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Grade Grade LC1
USA UNS J12522
Corresponding Standard ASTM A352/A352M-2021
Steel Castings, Ferritic and Martensitic, for Pressure- Containing Parts, Suitable for Low-Temperature Service
Classification Carbon Steel
Grade LC1 Chemical Element Composition Content (%)
Component C Si Mn P S Mo
Minimum Value - - 0.5 - - 0.45
Maximum Value 0.25 0.6 0.8 0.04 0.045 0.65
Grade LC1 Mechanical Properties
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Reduction of Area
ψ
% 		Impact Energy Absorption
KV2
J
450~620 ≥240 ⓐ ≥24 ⓑ ≥35 -59°C: ≥18
Approximate Comparison Table Cast Steel
Japan United States Germany France United Kingdom
JIS ASTM UNS DIN EN/DIN W-Nr. NF EN/NF BS EN/BS
SCPH11 LC1 J12522 GS-22Mo4 1.5419 FC1-M 240
B1

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