Alloy 347/347H Stainless Steel

Alloy 347/347H Stainless Steel

Alloy 347/347H Stainless Steel Chemical Analysis Weight % (all values are maximum unless a range is otherwise indicated) Physical Properties Density 0.288 lbs/in3 7.96 g/cm3 Specific Heat 0.12 BTU/lb-°F (32 – 212°F) 500 J/kg-°K (0 – 100°C) Modulus of Elasticity 28.0 x 106 psi 193 GPa Thermal...
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Product Details

Alloy 347/347H Stainless Steel

Chemical Analysis

Weight % (all values are maximum unless a range is otherwise indicated)

Element347347H
Chromium17.00 min.-19.00 max.17.00 min.-19.00 max.
Nickel9.00 min.-13.00 max.9.00 min.-13.00 max.
Carbon0.080.04 min.-0.10 max.
Manganese2.002.00
Phosphorus0.0450.045
Sulfur0.030.03
Silicon0.750.75
Columbium & Tantalum10 x (C + N) min.-1.00 max.8 x (C + N) min.-1.00 max.
IronBalanceBalance

Physical Properties

Density

0.288 lbs/in3
7.96 g/cm3

Specific Heat

0.12 BTU/lb-°F (32 – 212°F)
500 J/kg-°K (0 – 100°C)

Modulus of Elasticity

28.0 x 106 psi
193 GPa

Thermal Conductivity 200°F (100°C)

133 BTU/hr/ft2/ft/°F
16.3 W/m-°K

Melting Range

2550 – 2635°F
1398 – 1446°C

Electrical Resistivity

72 Microhm-cm at 20°FMean Coefficient of Thermal Expansion

Temperature Range


°F°Cin/in °Fcm/cm °C
68-21220-1009.2 x 10-616.0 x 10-6
68-111220-60010.5 x 10-618.9 x 10-6
68-183220-100011.4 x 10-620.5 x 10-6


Mechanical Properties

Typical Values at 68°F (20°C)

Yield Strength
0.2% Offset
Ultimate Tensile
Strength
Elongation
in 2 in.
Hardness

psi (min.)(MPa)psi (min.)(MPa)% (min.)(max.)
30,00020575,00051540201 Brinell


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