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AISI 347 Stainless Steel vs. SAE-AISI 1074 Steel

Both AISI 347 stainless steel and SAE-AISI 1074 steel are iron alloys. They have 70% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AISI 347 stainless steel and the bottom bar is SAE-AISI 1074 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 210
220 to 250
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34 to 46
11 to 14
Fatigue Strength, MPa 220 to 270
290 to 350
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Shear Strength, MPa 430 to 460
440 to 490
Tensile Strength: Ultimate (UTS), MPa 610 to 690
740 to 820
Tensile Strength: Yield (Proof), MPa 240 to 350
450 to 570

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 870
400
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
50
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 19
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.6
1.4
Embodied Energy, MJ/kg 52
19
Embodied Water, L/kg 150
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190 to 220
77 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 310
550 to 860
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22 to 25
26 to 29
Strength to Weight: Bending, points 20 to 22
23 to 25
Thermal Diffusivity, mm2/s 4.3
14
Thermal Shock Resistance, points 13 to 15
24 to 26

Alloy Composition

Carbon (C), % 0 to 0.080
0.7 to 0.8
Chromium (Cr), % 17 to 19
0
Iron (Fe), % 64.1 to 74
98.3 to 98.8
Manganese (Mn), % 0 to 2.0
0.5 to 0.8
Nickel (Ni), % 9.0 to 13
0
Niobium (Nb), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0 to 0.050

Comparable Variants