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EN 1.4945 Stainless Steel vs. SAE-AISI 1005 Steel

Both EN 1.4945 stainless steel and SAE-AISI 1005 steel are iron alloys. They have 62% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4945 stainless steel and the bottom bar is SAE-AISI 1005 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 220
95
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 19 to 34
23
Fatigue Strength, MPa 230 to 350
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 430 to 460
210
Tensile Strength: Ultimate (UTS), MPa 640 to 740
330
Tensile Strength: Yield (Proof), MPa 290 to 550
260

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 920
400
Melting Completion (Liquidus), °C 1490
1470
Melting Onset (Solidus), °C 1440
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 14
53
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 30
1.8
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 5.0
1.4
Embodied Energy, MJ/kg 73
18
Embodied Water, L/kg 150
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 180
70
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 760
180
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 25
12
Strength to Weight: Bending, points 20 to 22
13
Thermal Diffusivity, mm2/s 3.7
14
Thermal Shock Resistance, points 14 to 16
10

Alloy Composition

Carbon (C), % 0.040 to 0.1
0 to 0.060
Chromium (Cr), % 15.5 to 17.5
0
Iron (Fe), % 57.9 to 65.7
99.5 to 100
Manganese (Mn), % 0 to 1.5
0 to 0.35
Nickel (Ni), % 15.5 to 17.5
0
Niobium (Nb), % 0.4 to 1.2
0
Nitrogen (N), % 0.060 to 0.14
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0.3 to 0.6
0
Sulfur (S), % 0 to 0.015
0 to 0.050
Tungsten (W), % 2.5 to 3.5
0