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S39274 Stainless Steel vs. SAE-AISI 1070 Steel

Both S39274 stainless steel and SAE-AISI 1070 steel are iron alloys. They have 62% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S39274 stainless steel and the bottom bar is SAE-AISI 1070 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
190 to 230
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 17
10 to 13
Fatigue Strength, MPa 380
270 to 350
Poisson's Ratio 0.27
0.29
Reduction in Area, % 34
34 to 51
Shear Modulus, GPa 81
72
Shear Strength, MPa 560
380 to 460
Tensile Strength: Ultimate (UTS), MPa 900
640 to 760
Tensile Strength: Yield (Proof), MPa 620
420 to 560

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
50
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
10
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
12

Otherwise Unclassified Properties

Base Metal Price, % relative 24
1.8
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 4.3
1.4
Embodied Energy, MJ/kg 60
19
Embodied Water, L/kg 180
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
59 to 86
Resilience: Unit (Modulus of Resilience), kJ/m3 940
470 to 850
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32
23 to 27
Strength to Weight: Bending, points 26
21 to 24
Thermal Diffusivity, mm2/s 4.2
14
Thermal Shock Resistance, points 25
21 to 25

Alloy Composition

Carbon (C), % 0 to 0.030
0.65 to 0.75
Chromium (Cr), % 24 to 26
0
Copper (Cu), % 0.2 to 0.8
0
Iron (Fe), % 57 to 65.6
98.3 to 98.8
Manganese (Mn), % 0 to 1.0
0.6 to 0.9
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 6.0 to 8.0
0
Nitrogen (N), % 0.24 to 0.32
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.8
0
Sulfur (S), % 0 to 0.020
0 to 0.050
Tungsten (W), % 1.5 to 2.5
0