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EN 1.4845 Stainless Steel vs. EN 1.7707 Steel

Both EN 1.4845 stainless steel and EN 1.7707 steel are iron alloys. They have 56% of their average alloy composition in common. There are 32 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 1.4845 stainless steel and the bottom bar is EN 1.7707 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
300
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 38
11
Fatigue Strength, MPa 200
500
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 410
600
Tensile Strength: Ultimate (UTS), MPa 600
1010
Tensile Strength: Yield (Proof), MPa 240
800

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1050
460
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 25
3.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.3
1.9
Embodied Energy, MJ/kg 61
27
Embodied Water, L/kg 190
58

Common Calculations

PREN (Pitting Resistance) 26
3.2
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
110
Resilience: Unit (Modulus of Resilience), kJ/m3 140
1690
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
36
Strength to Weight: Bending, points 20
29
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 14
29

Alloy Composition

Carbon (C), % 0 to 0.1
0.26 to 0.34
Chromium (Cr), % 24 to 26
2.3 to 2.7
Iron (Fe), % 48.2 to 57
94.7 to 96.8
Manganese (Mn), % 0 to 2.0
0.4 to 0.7
Molybdenum (Mo), % 0
0.15 to 0.25
Nickel (Ni), % 19 to 22
0 to 0.6
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.5
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035
Vanadium (V), % 0
0.1 to 0.2