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EN 1.4542 Stainless Steel vs. EN 1.7378 Steel

Both EN 1.4542 stainless steel and EN 1.7378 steel are iron alloys. They have 78% 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 1.4542 stainless steel and the bottom bar is EN 1.7378 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 5.7 to 20
17
Fatigue Strength, MPa 370 to 640
330
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
74
Shear Strength, MPa 550 to 860
430
Tensile Strength: Ultimate (UTS), MPa 880 to 1470
700
Tensile Strength: Yield (Proof), MPa 580 to 1300
490

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Mechanical, °C 860
460
Melting Completion (Liquidus), °C 1430
1470
Melting Onset (Solidus), °C 1380
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
39
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 13
4.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.3
Embodied Energy, MJ/kg 39
33
Embodied Water, L/kg 130
61

Common Calculations

PREN (Pitting Resistance) 17
5.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 62 to 160
110
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 4360
630
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31 to 52
25
Strength to Weight: Bending, points 26 to 37
22
Thermal Diffusivity, mm2/s 4.3
10
Thermal Shock Resistance, points 29 to 49
20

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0.0015 to 0.0070
Carbon (C), % 0 to 0.070
0.050 to 0.1
Chromium (Cr), % 15 to 17
2.2 to 2.6
Copper (Cu), % 3.0 to 5.0
0
Iron (Fe), % 69.6 to 79
94.6 to 96.1
Manganese (Mn), % 0 to 1.5
0.3 to 0.7
Molybdenum (Mo), % 0 to 0.6
0.9 to 1.1
Nickel (Ni), % 3.0 to 5.0
0
Niobium (Nb), % 0 to 0.45
0
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 0.7
0.15 to 0.45
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0
0.050 to 0.1
Vanadium (V), % 0
0.2 to 0.3