309S 12mm Stainless Steel Plate Price

309S 12mm Stainless Steel Plate Price

309S 12mm Stainless Steel Plate Price 309S is a free cutting stainless steel containing sulfur, which is mainly used for occasions requiring high degree of free cutting and surface smoothness. 309S Equivalent to GB 0Cr23Ni13, and American standard S30908 (AISI, ASTM). 309S is a variant of low...
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309S 12mm Stainless Steel Plate Price


309S is a free cutting stainless steel containing sulfur, which is mainly used for occasions requiring high degree of free cutting and surface smoothness.


309S Equivalent to GB 0Cr23Ni13, and American standard S30908 (AISI, ASTM).


309S is a variant of low carbon 309 stainless steel, used in welding applications. The lower carbon content minimizes the amount of carbide precipitated in the heat-affected zone near the weld seams, which may lead to intergranular corrosion (weld erosion) of stainless steel in some environments.


Chemical Composition

ElementContent (%)

Iron, Fe

60

Chromium, Cr

23

Nickel, Ni

14

Manganese, Mn

2

Silicon, Si

1

Carbon, C

0.080

Phosphorous, P

0.045

Sulfur, S

0.030


Physical Properties

Density

8 g/cm3

0.289 lb/in³

Melting point

1454°C

2650°F


Mechanical Properties

Tensile strength, ultimate

620 MPa

89900 psi

Tensile strength, yield (0.2%)

310 MPa

45000 psi

Izod impact

120 - 165 J

88.5 - 122 ft-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

Thermal expansion co-efficient (@ 0-100°C/32-212°F)

14.9 µm/m°C

8.28 µin/in°F

Thermal conductivity (@0-100°C/32-212°F)

15.6 W/mK

108 BTU in/hr.ft².°F


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