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AISI 414 Stainless Steel vs. EN 1.7703 Steel

Both AISI 414 stainless steel and EN 1.7703 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 AISI 414 stainless steel and the bottom bar is EN 1.7703 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17
20
Fatigue Strength, MPa 430 to 480
320 to 340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
74
Shear Strength, MPa 550 to 590
420 to 430
Tensile Strength: Ultimate (UTS), MPa 900 to 960
670 to 690
Tensile Strength: Yield (Proof), MPa 700 to 790
460 to 500

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 750
460
Melting Completion (Liquidus), °C 1440
1470
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
39
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
4.2
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.1
2.5
Embodied Energy, MJ/kg 29
35
Embodied Water, L/kg 100
61

Common Calculations

PREN (Pitting Resistance) 13
5.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 1260 to 1590
570 to 650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32 to 34
24
Strength to Weight: Bending, points 27 to 28
22
Thermal Diffusivity, mm2/s 6.7
11
Thermal Shock Resistance, points 33 to 35
19 to 20

Alloy Composition

Carbon (C), % 0 to 0.15
0.11 to 0.15
Chromium (Cr), % 11.5 to 13.5
2.0 to 2.5
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 81.8 to 87.3
94.6 to 96.4
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 1.3 to 2.5
0 to 0.25
Niobium (Nb), % 0
0 to 0.070
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.030
0 to 0.0050
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0.25 to 0.35