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EN 1.4527 Stainless Steel vs. EN 1.7378 Steel

Both EN 1.4527 stainless steel and EN 1.7378 steel are iron alloys. They have 47% of their average alloy composition in common. There are 30 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 EN 1.4527 stainless steel and the bottom bar is EN 1.7378 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
17
Fatigue Strength, MPa 170
330
Impact Strength: V-Notched Charpy, J 67
38
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Tensile Strength: Ultimate (UTS), MPa 480
700
Tensile Strength: Yield (Proof), MPa 190
490

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Maximum Temperature: Mechanical, °C 1100
460
Melting Completion (Liquidus), °C 1410
1470
Melting Onset (Solidus), °C 1360
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 32
4.0
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 5.6
2.3
Embodied Energy, MJ/kg 78
33
Embodied Water, L/kg 210
61

Common Calculations

PREN (Pitting Resistance) 29
5.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
110
Resilience: Unit (Modulus of Resilience), kJ/m3 95
630
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
25
Strength to Weight: Bending, points 17
22
Thermal Diffusivity, mm2/s 4.0
10
Thermal Shock Resistance, points 12
20

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0.0015 to 0.0070
Carbon (C), % 0 to 0.060
0.050 to 0.1
Chromium (Cr), % 19 to 22
2.2 to 2.6
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 37.4 to 48.5
94.6 to 96.1
Manganese (Mn), % 0 to 1.5
0.3 to 0.7
Molybdenum (Mo), % 2.0 to 3.0
0.9 to 1.1
Nickel (Ni), % 27.5 to 30.5
0
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.5
0.15 to 0.45
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0.050 to 0.1
Vanadium (V), % 0
0.2 to 0.3