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EN 1.4713 Stainless Steel vs. EN 1.7390 Steel

Both EN 1.4713 stainless steel and EN 1.7390 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 32 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 1.7390 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
16
Fatigue Strength, MPa 160
310
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
74
Shear Strength, MPa 320
440
Tensile Strength: Ultimate (UTS), MPa 520
710
Tensile Strength: Yield (Proof), MPa 250
480

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Maximum Temperature: Mechanical, °C 800
510
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 23
40
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 4.6
4.3
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.7
1.7
Embodied Energy, MJ/kg 24
23
Embodied Water, L/kg 84
69

Common Calculations

PREN (Pitting Resistance) 7.0
6.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 84
100
Resilience: Unit (Modulus of Resilience), kJ/m3 160
600
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
25
Strength to Weight: Bending, points 19
23
Thermal Diffusivity, mm2/s 6.2
11
Thermal Shock Resistance, points 18
20

Alloy Composition

Aluminum (Al), % 0.5 to 1.0
0
Carbon (C), % 0 to 0.12
0 to 0.18
Chromium (Cr), % 6.0 to 8.0
4.0 to 6.0
Iron (Fe), % 88.8 to 93
91.9 to 95.3
Manganese (Mn), % 0 to 1.0
0.3 to 0.8
Molybdenum (Mo), % 0
0.45 to 0.65
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0.5 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.015