Grade CFS 215S15 Cat1
Corresponding Standard BS 3059-2-1990
Steel Boiler and Superheater Tubes - Part 2. Specification For Carbon, Alloy and Austenitic Stainlesssteel Tubes with Specified Elevated Temperature Properties
Classification Ferritic Stainless Steel
Density 7.97 g/cm3
CFS 215S15 Cat1 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo V Nb B More
Minimum Value 0.06 0.2 5.5 - - 14 9 0.8 0.15 0.75 0.003 Nb:10C~1.2
Maximum Value 0.15 1 7 0.04 0.03 16 11 1.2 0.4 1.25 0.009
CFS 215S15 Cat1 Mechanical Properties
condition Test Temperature Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Steel pipe Room Temperature 540~740 ≥270 ≥35
Steel pipe Solid Solution Treatment Rp1.0≥190
Steel pipe Solid Solution Treatment Rp1.0≥187
Steel pipe Solid Solution Treatment Rp1.0≥184
Steel pipe Solid Solution Treatment Rp1.0≥182
Steel pipe Solid Solution Treatment Rp1.0≥179
Steel pipe Solid Solution Treatment Rp1.0≥178
Steel pipe Solid Solution Treatment Rp1.0≥175
Steel pipe Solid Solution Treatment Rp1.0≥170
Steel pipe Rp1.0≥165

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