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EN 1.7711 Steel vs. EN 1.4923 Stainless Steel

Both EN 1.7711 steel and EN 1.4923 stainless steel are iron alloys. They have 88% 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 1.7711 steel and the bottom bar is EN 1.4923 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16 to 22
12 to 21
Fatigue Strength, MPa 290 to 520
300 to 440
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 440 to 570
540 to 590
Tensile Strength: Ultimate (UTS), MPa 690 to 930
870 to 980
Tensile Strength: Yield (Proof), MPa 400 to 800
470 to 780

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 430
740
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 33
24
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 3.0
8.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.3
2.9
Embodied Energy, MJ/kg 32
41
Embodied Water, L/kg 54
100

Common Calculations

PREN (Pitting Resistance) 2.9
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 140
110 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 430 to 1690
570 to 1580
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 33
31 to 35
Strength to Weight: Bending, points 22 to 27
26 to 28
Thermal Diffusivity, mm2/s 8.9
6.5
Thermal Shock Resistance, points 24 to 32
30 to 34

Alloy Composition

Aluminum (Al), % 0 to 0.015
0
Carbon (C), % 0.36 to 0.44
0.18 to 0.24
Chromium (Cr), % 0.9 to 1.2
11 to 12.5
Iron (Fe), % 96 to 97.5
83.5 to 87.1
Manganese (Mn), % 0.45 to 0.85
0.4 to 0.9
Molybdenum (Mo), % 0.5 to 0.65
0.8 to 1.2
Nickel (Ni), % 0
0.3 to 0.8
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0.25 to 0.35
0.25 to 0.35

Comparable Variants