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EN 1.4482 Stainless Steel vs. EN 1.6957 Steel

Both EN 1.4482 stainless steel and EN 1.6957 steel are iron alloys. They have 75% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4482 stainless steel and the bottom bar is EN 1.6957 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
18
Fatigue Strength, MPa 420 to 450
530
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 510 to 530
570
Tensile Strength: Ultimate (UTS), MPa 770 to 800
930
Tensile Strength: Yield (Proof), MPa 530 to 570
780

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 980
450
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
47
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 12
5.0
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.7
2.1
Embodied Energy, MJ/kg 38
29
Embodied Water, L/kg 150
60

Common Calculations

PREN (Pitting Resistance) 24
2.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230 to 250
160
Resilience: Unit (Modulus of Resilience), kJ/m3 690 to 820
1630
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 29
33
Strength to Weight: Bending, points 24 to 25
27
Thermal Diffusivity, mm2/s 4.0
13
Thermal Shock Resistance, points 21 to 22
27

Alloy Composition

Carbon (C), % 0 to 0.030
0.22 to 0.32
Chromium (Cr), % 19.5 to 21.5
1.2 to 1.8
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 66.1 to 74.9
92.7 to 94.7
Manganese (Mn), % 4.0 to 6.0
0.15 to 0.4
Molybdenum (Mo), % 0.1 to 0.6
0.25 to 0.45
Nickel (Ni), % 1.5 to 3.5
3.4 to 4.0
Nitrogen (N), % 0.050 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.010
Silicon (Si), % 0 to 1.0
0 to 0.15
Sulfur (S), % 0 to 0.030
0 to 0.0070
Vanadium (V), % 0
0.050 to 0.15