Stainless Steel Tube Library: Chemical Composition and Mechanical Properties of TP304H Stainless Steel Tube
Hit：262026-09-10 14:19:39
Stainless Steel Tube Library: Chemical Composition and Mechanical Properties of TP304H Stainless Steel Tube
This material belongs to austenitic stainless heat-resistant steel, corresponding to the national standard grade 07Cr19Ni10, with a maximum operating temperature of 760 ℃. It is widely used in high-temperature sections of boiler superheaters and reheaters above 600 ℃.
Mechanical properties (solution treated state)
Tensile strength: ≥ 515 MPa
Specify plastic tensile strength (yield strength): ≥ 205 MPa
Post fracture elongation: Longitudinal ≥ 35%, transverse ≥ 25%
Chemical composition (in accordance with ASTM A376/A376M-2022 standard)
The range of mass fractions for each element is:
C：0.04%~0.10%
Si：≤0.75%
Mn：≤2.0%
P：≤0.045%
S：≤0.030%
Cr：18.0%~20.0%
Ni：8.0%~11.0%
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