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EN 1.4945 Stainless Steel vs. EN 1.7375 Steel

Both EN 1.4945 stainless steel and EN 1.7375 steel are iron alloys. They have 65% of their average alloy composition in common. There are 32 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 1.4945 stainless steel and the bottom bar is EN 1.7375 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 220
180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 19 to 34
20
Fatigue Strength, MPa 230 to 350
270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Shear Strength, MPa 430 to 460
380
Tensile Strength: Ultimate (UTS), MPa 640 to 740
620
Tensile Strength: Yield (Proof), MPa 290 to 550
400

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 920
460
Melting Completion (Liquidus), °C 1490
1470
Melting Onset (Solidus), °C 1440
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 14
39
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 30
3.9
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 5.0
1.8
Embodied Energy, MJ/kg 73
23
Embodied Water, L/kg 150
59

Common Calculations

PREN (Pitting Resistance) 23
5.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 180
110
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 760
420
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 25
22
Strength to Weight: Bending, points 20 to 22
20
Thermal Diffusivity, mm2/s 3.7
11
Thermal Shock Resistance, points 14 to 16
18

Alloy Composition

Aluminum (Al), % 0
0.010 to 0.040
Carbon (C), % 0.040 to 0.1
0.1 to 0.15
Chromium (Cr), % 15.5 to 17.5
2.0 to 2.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 57.9 to 65.7
94.5 to 96.7
Manganese (Mn), % 0 to 1.5
0.3 to 0.8
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 15.5 to 17.5
0 to 0.3
Niobium (Nb), % 0.4 to 1.2
0
Nitrogen (N), % 0.060 to 0.14
0 to 0.012
Phosphorus (P), % 0 to 0.035
0 to 0.015
Silicon (Si), % 0.3 to 0.6
0 to 0.3
Sulfur (S), % 0 to 0.015
0 to 0.010
Tungsten (W), % 2.5 to 3.5
0