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Grade 347C17
Corresponding Standard BS 3100-1991
Specification for Steel castings for general engineering purposes
Classification Cast Steel
Properties Corrosion Resistance
347C17 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni More
Minimum Value - - - - - 18 9 Nb:8C~1
Maximum Value 0.08 1.5 2 0.04 0.04 21 12
347C17 Mechanical Properties
Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
%
ST(1000°C~1100°C) ≥480 1% proof stress Rp1.0 min
≥215		 ≥22
1 Approximate Comparison Table Corrosion-Resistant Cast Steels
China Japan United States Germany France United Kingdom
GB JIS ASTM DIN EN/DIN W-Nr. NF EN/NF BS EN/BS
ZG0Cr18Ni9Ti SUS21 CF8C G-X7CrNiNb 18 9 1.4552 Z6CNNb18.10M 347C17
2 Approximate Comparison Table Heat-Resistant Cast Steels and Alloys
China Japan United States Germany France Russia United Kingdom
GB JIS ASTM UNS DIN EN/DIN W-Nr. NF EN/NF GOST BS EN/BS
ZG0Cr18Ni9Ti SCS21 CF8C J92710 G-X5CrNiNb18 9 1.4552 Z4CNNb19.10M 08Х18Н9Т 347C17

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