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AISI 347H Stainless Steel vs. AWS BVAg-18

AISI 347H stainless steel belongs to the iron alloys classification, while AWS BVAg-18 belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (19, in this case) are not shown.

For each property being compared, the top bar is AISI 347H stainless steel and the bottom bar is AWS BVAg-18.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
82
Poisson's Ratio 0.28
0.36
Shear Modulus, GPa 77
30
Tensile Strength: Ultimate (UTS), MPa 580
180

Thermal Properties

Latent Heat of Fusion, J/g 290
140
Melting Completion (Liquidus), °C 1430
720
Melting Onset (Solidus), °C 1390
600
Specific Heat Capacity, J/kg-K 480
280
Thermal Expansion, µm/m-K 16
19

Otherwise Unclassified Properties

Density, g/cm3 7.8
9.7
Embodied Carbon, kg CO2/kg material 3.6
59
Embodied Energy, MJ/kg 52
930

Common Calculations

Stiffness to Weight: Axial, points 14
4.7
Stiffness to Weight: Bending, points 25
15
Strength to Weight: Axial, points 21
5.1
Strength to Weight: Bending, points 20
7.3
Thermal Shock Resistance, points 13
8.1

Alloy Composition

Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0.040 to 0.1
0 to 0.0050
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0
28.5 to 31.5
Iron (Fe), % 64.1 to 74
0
Lead (Pb), % 0
0 to 0.0020
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 9.0 to 13
0
Niobium (Nb), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.045
0 to 0.0020
Silicon (Si), % 0 to 0.75
0
Silver (Ag), % 0
59 to 61
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
9.5 to 10.5
Zinc (Zn), % 0
0 to 0.0010