RAJUL STEEL CENTRE
Stainless Steel Grade 309S
Stainless steels are called as high-alloy steels. Due to the presence of large amounts of chromium in the range of 4 to 30%, they have high corrosion resistance than other steels. Stainless steels are classified into martensitic, ferritic and austenitic based on their crystalline structure. However, stainless steels present in the form of a combination of martensitic and austenitic steels are known as precipitation-hardened steels.
The following datasheet will provide more details about grade 305 stainless steel, which has high resistance to heat and corrosion.
Equivalent Grades Of Stainless Steel 309S
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ASTM A314
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ASTM A473
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ASTM A479
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ASTM A511
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ASTM A554
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ASTM A580
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ASTM A813
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ASTM A814
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DIN 1.4833
Some, of the equivalent grades of Stainless 309S Are:-
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AMS 5523
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AMS 5574
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AMS 5650
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ASTM A167
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ASTM A213
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ASTM A240
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ASTM A249
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ASTM A276
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ASTM A312
Chemical Composition Of Stainless Steel 309S
This is the chemical Composition of Stainless Steel 309S.
Element Content (%)
Iron,Fe 60
Chromium, Cr 23
Manganese, Mn 02
Nickel, Ni 14
Silicon, Si 01
Nitrogen, N 00
Carbon, C 0.080
Phosphorous, P 0.045
Sulfur, S 0.030
Physical Properties Of Stainless Steel 309S
This is the ​​Physical Properties of Stainless Steel 309S.
Properties Metric Imperial
Density 8 g/cm 0.289 lb/in³
Melting point 1454°C 2650°F
Mechanical Properties Of Stainless Steel 309S
Properties Metric Imperial
Tensile strength, ultimate 620 MPa 89900 psi
Tensile strength, yield (0.2%) 310 MPa 45000 psi
Izod impact 120-165J 88.5-122ft-lb
Modulus of elasticity 200 GPa 29000 ksi
Shear modulus 77 GPa 11200 ksi
Poissons ratio 0.3 0.3
Elongation at break (in 50 mm) 45% 45%
Hardness, Brinell (converted from Rockwell B hardness) 147 147
Hardness, Knoop (converted from Rockwell B hardness) 164 164
Hardness, Rockwell B 85 85
Hardness, Vickers (converted from Rockwell B hardness) 169 169
Thermal Properties Of Stainless Steel 309S
Properties Metric Imperial
Thermal expansion co-efficient 14.9 µm/m°C 9.22 µin/in°F
Thermal (@ 100°C/212°F) 15.6 W/mK 108 BTU in/hr.ft².°F