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Comparation of 304, 304L, and 304H
TIME:2011/01/03/

 

Comparation of 304, 304L, and 304H stainless steel pipe

Chemical Compositionof Stainless Steel 304
 Typical chemical composition for 304 stainless steel

%		 304 304L 304H
C 0.08 max 0.03 max 0.10 max
Mn 2.0 2.0 2.0
Si 0.75 0.75 0.75
P 0.045 0.045 0.045
S 0.03 0.03 0.03
Cr 18-20 18-20 18-20
Ni 10.5 12 10.5
N 0.1 0.1 -


Properties of Stainless Steel 304

Mechanical Propertiesof Stainless Steel 304

Typical mechanical properties for 304 stainless steel

Grade		 304 304L 304H
Tensile Strength (MPa) 520 500 520
Compression Strength (MPa) 210 210 210
Proof Stress 0.2% (MPa) 210 200 210
Elongation A5 (%) 45 45 45
Hardness Rockwell B 92 92 92

Physical Propertiesof Stainless Steel 304

Typical mechanical properties for 304 stainless steel

Property		 Value
Density 8.00 g/cm3
Melting Point 1400-1450°C
Modulus of Elasticity 193 GPa
Electrical Resistivity 0.072x10-6 Ω.m
Thermal Conductivity 16.2 W/m.K at 100°C
Thermal Expansion

TP304/AISI304, TP304L/ AISI304L, TP304H/AISI304H with ASTM A312

 17.2x10-6 /K at 100°C




 

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