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AISI 347H Stainless Steel vs. ASTM A732 Cast Steel

Both AISI 347H stainless steel and ASTM A732 cast steel are iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AISI 347H stainless steel and the bottom bar is ASTM A732 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
140 to 440
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
4.0 to 25
Fatigue Strength, MPa 200
230 to 750
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72 to 73
Tensile Strength: Ultimate (UTS), MPa 580
460 to 1470
Tensile Strength: Yield (Proof), MPa 230
310 to 1340

Thermal Properties

Latent Heat of Fusion, J/g 290
250 to 260
Maximum Temperature: Mechanical, °C 940
400 to 430
Melting Completion (Liquidus), °C 1430
1440 to 1460
Melting Onset (Solidus), °C 1390
1400 to 1420
Specific Heat Capacity, J/kg-K 480
470 to 480
Thermal Conductivity, W/m-K 16
39 to 50
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.1 to 7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.2 to 8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 19
2.0 to 3.8
Density, g/cm3 7.8
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 3.6
1.4 to 1.7
Embodied Energy, MJ/kg 52
19 to 24
Embodied Water, L/kg 150
47 to 54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
45 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 140
260 to 4770
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
16 to 52
Strength to Weight: Bending, points 20
17 to 37
Thermal Diffusivity, mm2/s 4.2
10 to 14
Thermal Shock Resistance, points 13
14 to 43