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AISI 312 Stainless Steel vs. SAE-AISI 1095 Steel

Both AISI 312 stainless steel and SAE-AISI 1095 steel are iron alloys. They have 66% 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 AISI 312 stainless steel and the bottom bar is SAE-AISI 1095 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
200 to 270
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
10 to 11
Fatigue Strength, MPa 370
310 to 370
Poisson's Ratio 0.27
0.29
Reduction in Area, % 56
28 to 45
Shear Modulus, GPa 80
72
Shear Strength, MPa 510
400 to 540
Tensile Strength: Ultimate (UTS), MPa 780
680 to 900
Tensile Strength: Yield (Proof), MPa 510
500 to 590

Thermal Properties

Latent Heat of Fusion, J/g 300
240
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
47
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
9.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
11

Otherwise Unclassified Properties

Base Metal Price, % relative 17
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.4
1.4
Embodied Energy, MJ/kg 48
19
Embodied Water, L/kg 170
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
63 to 84
Resilience: Unit (Modulus of Resilience), kJ/m3 640
660 to 930
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
24 to 32
Strength to Weight: Bending, points 24
22 to 26
Thermal Diffusivity, mm2/s 4.3
13
Thermal Shock Resistance, points 21
22 to 29

Alloy Composition

Carbon (C), % 0 to 0.030
0.9 to 1.0
Chromium (Cr), % 24 to 26
0
Iron (Fe), % 62.2 to 69.2
98.4 to 98.8
Manganese (Mn), % 0 to 2.0
0.3 to 0.5
Molybdenum (Mo), % 1.2 to 2.0
0
Nickel (Ni), % 5.5 to 6.5
0
Nitrogen (N), % 0.14 to 0.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0 to 0.050