USA UNS S40920
Corresponding Standard ASTM A554-2016
Welded Stainless Steel Mechanical Tubing
Classification Ferritic Stainless Steel
Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni N Ti Nb More
Minimum Value - - - - - 10.5 - - 0.15 - Ti≥8×(C+N)
Maximum Value 0.03 1 1 0.04 0.02 11.7 0.5 0.03 0.5 0.1
Mechanical Properties
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Hardness
HBW
Annealing ≥414 ≥241 ≥20 ≤190
Approximate Comparison Table Ferritic Heat-Resistant Steel
China Japan United States International Organization for Standardization European Standard
GB ISC JIS UNS ISO Numerical Grade EN Numerical Grade
022Cr11Ti
GB/T 20878-2024
S11163 SUH409L S40920
ASTM A959
X2CrTi12
ISO 15510
4512-409-10-Ⅰ X2CrTi12 1.4512

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