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EN 1.4378 Stainless Steel vs. EN 1.7376 Steel

Both EN 1.4378 stainless steel and EN 1.7376 steel are iron alloys. They have 75% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4378 stainless steel and the bottom bar is EN 1.7376 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 340
210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 34
20
Fatigue Strength, MPa 340 to 550
320
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Tensile Strength: Ultimate (UTS), MPa 760 to 1130
710
Tensile Strength: Yield (Proof), MPa 430 to 970
460

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Mechanical, °C 910
600
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1350
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 12
6.5
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.1
Embodied Energy, MJ/kg 39
29
Embodied Water, L/kg 150
88

Common Calculations

PREN (Pitting Resistance) 23
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 220
130
Resilience: Unit (Modulus of Resilience), kJ/m3 470 to 2370
560
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 41
25
Strength to Weight: Bending, points 24 to 31
23
Thermal Shock Resistance, points 16 to 23
20

Alloy Composition

Carbon (C), % 0 to 0.080
0.12 to 0.19
Chromium (Cr), % 17 to 19
8.0 to 10
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 61.2 to 69
86.2 to 90.6
Manganese (Mn), % 11.5 to 14.5
0.35 to 0.65
Molybdenum (Mo), % 0
0.9 to 1.2
Nickel (Ni), % 2.3 to 3.7
0 to 0.4
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.060
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0 to 0.050