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EN 1.7711 Steel vs. EN 1.4410 Stainless Steel

Both EN 1.7711 steel and EN 1.4410 stainless steel are iron alloys. They have 65% 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 1.7711 steel and the bottom bar is EN 1.4410 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 280
260
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 16 to 22
24
Fatigue Strength, MPa 290 to 520
410
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
81
Shear Strength, MPa 440 to 570
540
Tensile Strength: Ultimate (UTS), MPa 690 to 930
850
Tensile Strength: Yield (Proof), MPa 400 to 800
600

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 430
1100
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 33
15
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 3.0
20
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.3
4.0
Embodied Energy, MJ/kg 32
56
Embodied Water, L/kg 54
180

Common Calculations

PREN (Pitting Resistance) 2.9
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 140
180
Resilience: Unit (Modulus of Resilience), kJ/m3 430 to 1690
880
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 33
30
Strength to Weight: Bending, points 22 to 27
26
Thermal Diffusivity, mm2/s 8.9
4.0
Thermal Shock Resistance, points 24 to 32
23

Alloy Composition

Aluminum (Al), % 0 to 0.015
0
Carbon (C), % 0.36 to 0.44
0 to 0.030
Chromium (Cr), % 0.9 to 1.2
24 to 26
Iron (Fe), % 96 to 97.5
58.1 to 66.8
Manganese (Mn), % 0.45 to 0.85
0 to 2.0
Molybdenum (Mo), % 0.5 to 0.65
3.0 to 4.5
Nickel (Ni), % 0
6.0 to 8.0
Nitrogen (N), % 0
0.24 to 0.35
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0.25 to 0.35
0