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EN 1.4592 Stainless Steel vs. EN 1.7703 Steel

Both EN 1.4592 stainless steel and EN 1.7703 steel are iron alloys. They have 69% of their average alloy composition in common. There are 31 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 1.4592 stainless steel and the bottom bar is EN 1.7703 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 23
20
Fatigue Strength, MPa 340
320 to 340
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 82
74
Shear Strength, MPa 400
420 to 430
Tensile Strength: Ultimate (UTS), MPa 630
670 to 690
Tensile Strength: Yield (Proof), MPa 500
460 to 500

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
460
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
39
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 18
4.2
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.8
2.5
Embodied Energy, MJ/kg 52
35
Embodied Water, L/kg 180
61

Common Calculations

PREN (Pitting Resistance) 43
5.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 610
570 to 650
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 23
24
Strength to Weight: Bending, points 21
22
Thermal Diffusivity, mm2/s 4.6
11
Thermal Shock Resistance, points 20
19 to 20

Alloy Composition

Carbon (C), % 0 to 0.025
0.11 to 0.15
Chromium (Cr), % 28 to 30
2.0 to 2.5
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 62.6 to 68.4
94.6 to 96.4
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 3.5 to 4.5
0.9 to 1.1
Nickel (Ni), % 0
0 to 0.25
Niobium (Nb), % 0
0 to 0.070
Nitrogen (N), % 0 to 0.045
0 to 0.012
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.010
0 to 0.0050
Titanium (Ti), % 0.15 to 0.8
0 to 0.030
Vanadium (V), % 0
0.25 to 0.35