Grade Grade LCC
USA UNS J02505
Corresponding Standard ASTM A352/A352M-2021
Steel Castings, Ferritic and Martensitic, for Pressure- Containing Parts, Suitable for Low-Temperature Service
Classification Carbon Steel
Grade LCC Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo V
Minimum Value - - - - - - - - - -
Maximum Value 0.25 0.6 1.2 0.04 0.045 0.5 0.5 0.3 0.2 0.03
Grade LCC Mechanical Properties
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Reduction of Area
ψ
%
Impact Energy Absorption
KV2
J
485~655 ≥275 ⓐ ≥22 ⓑ ≥35 -46°C: ≥20
1 Approximate Comparison Table Cast Steel
China United States International Organization for Standardization
GB UNS ISO Numerical Grade
ZGR280-480 J02505 GP280GH 1.0625
2 Approximate Comparison Table Cast Steel
China United States International Organization for Standardization
GB UNS ISO Numerical Grade
ZG18
ZG17Mn5
J02505 G17Mn5 1.1131
3 Approximate Comparison Table Cast Steel
China United States International Organization for Standardization
GB UNS ISO Numerical Grade
ZG20
ZG20Mn5
J02505 ZG20Mn5 1.6220
4 Approximate Comparison Table Cast Steel
China Japan United States Germany France Russia
GB JIS ASTM UNS DIN EN/DIN W-Nr. NF EN/NF GOST
ZG20SiMn SCW480 LCC J02505 GS-20Mn5 1.1120 FB-M 20ГСЛ

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