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EN 1.4713 Stainless Steel vs. EN 1.7379 Steel

Both EN 1.4713 stainless steel and EN 1.7379 steel are iron alloys. They have a moderately high 94% 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 1.4713 stainless steel and the bottom bar is EN 1.7379 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
21
Fatigue Strength, MPa 160
320
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
74
Tensile Strength: Ultimate (UTS), MPa 520
670
Tensile Strength: Yield (Proof), MPa 250
460

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Maximum Temperature: Mechanical, °C 800
460
Melting Completion (Liquidus), °C 1440
1470
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 23
39
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 4.6
3.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.7
1.8
Embodied Energy, MJ/kg 24
23
Embodied Water, L/kg 84
59

Common Calculations

PREN (Pitting Resistance) 7.0
5.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 84
120
Resilience: Unit (Modulus of Resilience), kJ/m3 160
550
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
24
Strength to Weight: Bending, points 19
22
Thermal Diffusivity, mm2/s 6.2
11
Thermal Shock Resistance, points 18
19

Alloy Composition

Aluminum (Al), % 0.5 to 1.0
0
Carbon (C), % 0 to 0.12
0.13 to 0.2
Chromium (Cr), % 6.0 to 8.0
2.0 to 2.5
Iron (Fe), % 88.8 to 93
94.5 to 96.5
Manganese (Mn), % 0 to 1.0
0.5 to 0.9
Molybdenum (Mo), % 0
0.9 to 1.2
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0.5 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.030