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EN 1.4557 Stainless Steel vs. EN 1.7376 Steel

Both EN 1.4557 stainless steel and EN 1.7376 steel are iron alloys. They have 64% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4557 stainless steel and the bottom bar is EN 1.7376 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
20
Fatigue Strength, MPa 260
320
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
75
Tensile Strength: Ultimate (UTS), MPa 560
710
Tensile Strength: Yield (Proof), MPa 300
460

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Mechanical, °C 1090
600
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 15
26
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
9.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
11

Otherwise Unclassified Properties

Base Metal Price, % relative 29
6.5
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.6
2.1
Embodied Energy, MJ/kg 76
29
Embodied Water, L/kg 190
88

Common Calculations

PREN (Pitting Resistance) 45
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
130
Resilience: Unit (Modulus of Resilience), kJ/m3 210
560
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19
25
Strength to Weight: Bending, points 19
23
Thermal Diffusivity, mm2/s 4.0
6.9
Thermal Shock Resistance, points 12
20

Alloy Composition

Carbon (C), % 0 to 0.020
0.12 to 0.19
Chromium (Cr), % 19.5 to 20.5
8.0 to 10
Copper (Cu), % 0.5 to 1.0
0 to 0.3
Iron (Fe), % 49.5 to 56.3
86.2 to 90.6
Manganese (Mn), % 0 to 1.2
0.35 to 0.65
Molybdenum (Mo), % 6.0 to 7.0
0.9 to 1.2
Nickel (Ni), % 17.5 to 19.5
0 to 0.4
Nitrogen (N), % 0.18 to 0.24
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Vanadium (V), % 0
0 to 0.050