Grade A335 Grade P15
USA UNS K11578
Corresponding Standard ASTM A335/A335M-2024(b)
Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service
Classification Alloy Steel
A335 Grade P15 Chemical Element Composition Content (%)
Component C Si Mn P S Mo
Minimum Value 0.05 1.15 0.3 - - 0.44
Maximum Value 0.15 1.65 0.6 0.025 0.025 0.65
A335 Grade P15 Mechanical Properties
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
full or isothermal anneal or normalize and temper (≥650°C) ≥415 ≥205 l: ≥30;t: ≥20
l=longitudinal;t=transverse
A335GradeP15 Corresponding Standards(Same grade name, different standards)

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!