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EN 1.7711 Steel vs. AISI 430F Stainless Steel

Both EN 1.7711 steel and AISI 430F stainless steel are iron alloys. They have 84% 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 AISI 430F stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 280
230
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16 to 22
23
Fatigue Strength, MPa 290 to 520
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 440 to 570
340
Tensile Strength: Ultimate (UTS), MPa 690 to 930
540
Tensile Strength: Yield (Proof), MPa 400 to 800
310

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 430
870
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 33
25
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 3.0
8.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.3
2.1
Embodied Energy, MJ/kg 32
29
Embodied Water, L/kg 54
120

Common Calculations

PREN (Pitting Resistance) 2.9
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 140
110
Resilience: Unit (Modulus of Resilience), kJ/m3 430 to 1690
250
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 33
20
Strength to Weight: Bending, points 22 to 27
19
Thermal Diffusivity, mm2/s 8.9
6.7
Thermal Shock Resistance, points 24 to 32
19

Alloy Composition

Aluminum (Al), % 0 to 0.015
0
Carbon (C), % 0.36 to 0.44
0 to 0.12
Chromium (Cr), % 0.9 to 1.2
16 to 18
Iron (Fe), % 96 to 97.5
79.2 to 83.9
Manganese (Mn), % 0.45 to 0.85
0 to 1.3
Molybdenum (Mo), % 0.5 to 0.65
0
Phosphorus (P), % 0 to 0.025
0 to 0.060
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0.15 to 0.35
Vanadium (V), % 0.25 to 0.35
0