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EN 1.7379 Steel vs. EN 1.4828 Stainless Steel

Both EN 1.7379 steel and EN 1.4828 stainless steel are iron alloys. They have 68% 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 1.7379 steel and the bottom bar is EN 1.4828 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21
33
Fatigue Strength, MPa 320
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
77
Tensile Strength: Ultimate (UTS), MPa 670
650
Tensile Strength: Yield (Proof), MPa 460
260

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Maximum Temperature: Mechanical, °C 460
1000
Melting Completion (Liquidus), °C 1470
1400
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 39
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
17
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.8
3.4
Embodied Energy, MJ/kg 23
48
Embodied Water, L/kg 59
150

Common Calculations

PREN (Pitting Resistance) 5.7
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
170
Resilience: Unit (Modulus of Resilience), kJ/m3 550
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
23
Strength to Weight: Bending, points 22
22
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 19
14

Alloy Composition

Carbon (C), % 0.13 to 0.2
0 to 0.2
Chromium (Cr), % 2.0 to 2.5
19 to 21
Iron (Fe), % 94.5 to 96.5
61.1 to 68.5
Manganese (Mn), % 0.5 to 0.9
0 to 2.0
Molybdenum (Mo), % 0.9 to 1.2
0
Nickel (Ni), % 0
11 to 13
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.6
1.5 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.015