USA UNS S40930
Corresponding Standard ASTM A240/A240M-2020
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet and Strip for Pressure Vessels and General Applications
Classification Ferritic Stainless Steel
Properties Corrosion Resistance
Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni N Ti More
Minimum Value - - - - - 10.5 - - 0.05 Ti+Nb:0.08+8×(C+N) ~ 0.75
Maximum Value 0.03 1 1 0.04 0.02 11.7 0.5 0.03 -
Mechanical Properties
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Hardness
HBW
≥380 ≥170 ≥20 ≤179
Approximate Comparison Table Ferritic Heat-Resistant Steel
China United States
GB ISC UNS
022Cr11NbTi
GB/T 20878-2024
S11173 S40930
ASTM A959

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