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EN 1.4449 Stainless Steel vs. EN 1.0070 Steel

Both EN 1.4449 stainless steel and EN 1.0070 steel are iron alloys. They have 66% of their average alloy composition in common. There are 31 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 EN 1.4449 stainless steel and the bottom bar is EN 1.0070 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 48
9.1
Fatigue Strength, MPa 240
210
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 440
440
Tensile Strength: Ultimate (UTS), MPa 620
740
Tensile Strength: Yield (Proof), MPa 250
350

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 960
400
Melting Completion (Liquidus), °C 1440
1470
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
53
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
7.8

Otherwise Unclassified Properties

Base Metal Price, % relative 19
1.7
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.9
1.4
Embodied Energy, MJ/kg 54
18
Embodied Water, L/kg 150
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
56
Resilience: Unit (Modulus of Resilience), kJ/m3 160
320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
26
Strength to Weight: Bending, points 20
23
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 14
23

Alloy Composition

Carbon (C), % 0 to 0.035
0
Chromium (Cr), % 17 to 18.2
0
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 62.4 to 69.3
99.876 to 100
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 2.3 to 2.8
0
Nickel (Ni), % 11.5 to 12.5
0
Nitrogen (N), % 0 to 0.080
0 to 0.014
Phosphorus (P), % 0 to 0.045
0 to 0.055
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0 to 0.055