Grade A209 Grade T1b
Corresponding Standard ASTM A209/A209M-2003(R2017)
Seamless Carbon-Molybdenum Alloy-Steel Boiler and Superheater Tubes
Classification Alloy Steel
A209 Grade T1b Chemical Element Composition Content (%)
Component C Si Mn P S Mo
Minimum Value - 0.1 0.3 - - 0.44
Maximum Value 0.14 0.5 0.8 0.025 0.025 0.65
A209 Grade T1b Mechanical Properties
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
≥415 ≥220 ≥30

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