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AISI 305 Stainless Steel vs. SAE-AISI D7 Steel

Both AISI 305 stainless steel and SAE-AISI D7 steel are iron alloys. They have 82% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is AISI 305 stainless steel and the bottom bar is SAE-AISI D7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 580 to 710
800 to 2120

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
27
Thermal Expansion, µm/m-K 17
11

Otherwise Unclassified Properties

Base Metal Price, % relative 16
10
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 3.2
11
Embodied Energy, MJ/kg 45
180
Embodied Water, L/kg 150
130

Common Calculations

PREN (Pitting Resistance) 18
16
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20 to 25
29 to 78
Strength to Weight: Bending, points 20 to 23
25 to 48
Thermal Diffusivity, mm2/s 4.2
7.4
Thermal Shock Resistance, points 13 to 15
27 to 72

Alloy Composition

Carbon (C), % 0 to 0.12
2.2 to 2.5
Chromium (Cr), % 17 to 19
11.5 to 13.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 65.1 to 72.5
76.6 to 81.9
Manganese (Mn), % 0 to 2.0
0 to 0.6
Molybdenum (Mo), % 0
0.7 to 1.2
Nickel (Ni), % 10.5 to 13
0 to 0.3
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
3.8 to 4.4