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S44725 Stainless Steel vs. EN 1.1151 Steel

Both S44725 stainless steel and EN 1.1151 steel are iron alloys. They have 71% 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 S44725 stainless steel and the bottom bar is EN 1.1151 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
130 to 150
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 22
21 to 26
Fatigue Strength, MPa 210
180 to 240
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
73
Shear Strength, MPa 320
300 to 330
Tensile Strength: Ultimate (UTS), MPa 500
460 to 520
Tensile Strength: Yield (Proof), MPa 310
240 to 340

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
50
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 15
2.1
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.1
1.4
Embodied Energy, MJ/kg 44
19
Embodied Water, L/kg 170
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
98 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 240
160 to 310
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
16 to 18
Strength to Weight: Bending, points 18
17 to 18
Thermal Diffusivity, mm2/s 4.6
13
Thermal Shock Resistance, points 16
15 to 16

Alloy Composition

Carbon (C), % 0 to 0.015
0.17 to 0.24
Chromium (Cr), % 25 to 28.5
0 to 0.4
Iron (Fe), % 67.6 to 73.5
97.7 to 99.43
Manganese (Mn), % 0 to 0.4
0.4 to 0.7
Molybdenum (Mo), % 1.5 to 2.5
0 to 0.1
Nickel (Ni), % 0 to 0.3
0 to 0.4
Niobium (Nb), % 0 to 0.26
0
Nitrogen (N), % 0 to 0.018
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.040
0 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.035
Titanium (Ti), % 0 to 0.26
0