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EN 1.4911 Stainless Steel vs. EN 1.7375 Steel

Both EN 1.4911 stainless steel and EN 1.7375 steel are iron alloys. They have 84% 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 1.4911 stainless steel and the bottom bar is EN 1.7375 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11
20
Fatigue Strength, MPa 530
270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
74
Shear Strength, MPa 640
380
Tensile Strength: Ultimate (UTS), MPa 1070
620
Tensile Strength: Yield (Proof), MPa 970
400

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 700
460
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 20
39
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 20
3.9
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.4
1.8
Embodied Energy, MJ/kg 49
23
Embodied Water, L/kg 130
59

Common Calculations

PREN (Pitting Resistance) 14
5.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
110
Resilience: Unit (Modulus of Resilience), kJ/m3 2410
420
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 38
22
Strength to Weight: Bending, points 30
20
Thermal Diffusivity, mm2/s 5.4
11
Thermal Shock Resistance, points 37
18

Alloy Composition

Aluminum (Al), % 0
0.010 to 0.040
Boron (B), % 0.0050 to 0.015
0
Carbon (C), % 0.050 to 0.12
0.1 to 0.15
Chromium (Cr), % 9.8 to 11.2
2.0 to 2.5
Cobalt (Co), % 5.0 to 7.0
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 75.7 to 83.8
94.5 to 96.7
Manganese (Mn), % 0.3 to 1.3
0.3 to 0.8
Molybdenum (Mo), % 0.5 to 1.0
0.9 to 1.1
Nickel (Ni), % 0.2 to 1.2
0 to 0.3
Niobium (Nb), % 0.2 to 0.5
0
Nitrogen (N), % 0 to 0.035
0 to 0.012
Phosphorus (P), % 0 to 0.025
0 to 0.015
Silicon (Si), % 0.1 to 0.8
0 to 0.3
Sulfur (S), % 0 to 0.015
0 to 0.010
Tungsten (W), % 0 to 0.7
0
Vanadium (V), % 0.1 to 0.4
0