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EN 1.4542 Stainless Steel vs. S41045 Stainless Steel

Both EN 1.4542 stainless steel and S41045 stainless steel are iron alloys. They have 88% 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 1.4542 stainless steel and the bottom bar is S41045 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 5.7 to 20
25
Fatigue Strength, MPa 370 to 640
160
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 550 to 860
280
Tensile Strength: Ultimate (UTS), MPa 880 to 1470
430
Tensile Strength: Yield (Proof), MPa 580 to 1300
230

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Corrosion, °C 440
430
Maximum Temperature: Mechanical, °C 860
740
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
29
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
8.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.2
Embodied Energy, MJ/kg 39
31
Embodied Water, L/kg 130
100

Common Calculations

PREN (Pitting Resistance) 17
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 62 to 160
92
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 4360
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31 to 52
16
Strength to Weight: Bending, points 26 to 37
16
Thermal Diffusivity, mm2/s 4.3
7.8
Thermal Shock Resistance, points 29 to 49
16

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.030
Chromium (Cr), % 15 to 17
12 to 13
Copper (Cu), % 3.0 to 5.0
0
Iron (Fe), % 69.6 to 79
83.8 to 88
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0 to 0.6
0
Nickel (Ni), % 3.0 to 5.0
0 to 0.5
Niobium (Nb), % 0 to 0.45
0 to 0.6
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030