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AISI 347H Stainless Steel vs. Chromium 33

AISI 347H stainless steel belongs to the iron alloys classification, while chromium 33 belongs to the otherwise unclassified metals. They have 62% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is AISI 347H stainless steel and the bottom bar is chromium 33.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
45
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
81
Tensile Strength: Ultimate (UTS), MPa 580
850
Tensile Strength: Yield (Proof), MPa 230
430

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 16
14

Otherwise Unclassified Properties

Base Metal Price, % relative 19
36
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.6
6.0
Embodied Energy, MJ/kg 52
84
Embodied Water, L/kg 150
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
320
Resilience: Unit (Modulus of Resilience), kJ/m3 140
450
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
30
Strength to Weight: Bending, points 20
25
Thermal Shock Resistance, points 13
21

Alloy Composition

Carbon (C), % 0.040 to 0.1
0 to 0.015
Chromium (Cr), % 17 to 19
31 to 35
Copper (Cu), % 0
0.3 to 1.2
Iron (Fe), % 64.1 to 74
25.7 to 37.9
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
0.5 to 2.0
Nickel (Ni), % 9.0 to 13
30 to 33
Niobium (Nb), % 0 to 1.0
0
Nitrogen (N), % 0
0.35 to 0.6
Phosphorus (P), % 0 to 0.045
0 to 0.020
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010