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EN 1.7366 Steel vs. S43037 Stainless Steel

Both EN 1.7366 steel and S43037 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 32 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 1.7366 steel and the bottom bar is S43037 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 210
160
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17 to 19
25
Fatigue Strength, MPa 160 to 320
160
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
77
Shear Strength, MPa 290 to 440
260
Tensile Strength: Ultimate (UTS), MPa 460 to 710
410
Tensile Strength: Yield (Proof), MPa 230 to 480
230

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Maximum Temperature: Mechanical, °C 510
880
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
9.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.7
2.3
Embodied Energy, MJ/kg 23
32
Embodied Water, L/kg 69
120

Common Calculations

PREN (Pitting Resistance) 6.8
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 74 to 110
88
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 600
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 16 to 25
15
Strength to Weight: Bending, points 17 to 23
16
Thermal Diffusivity, mm2/s 11
6.7
Thermal Shock Resistance, points 13 to 20
14

Alloy Composition

Carbon (C), % 0 to 0.18
0 to 0.030
Chromium (Cr), % 4.0 to 6.0
16 to 19
Iron (Fe), % 91.9 to 95.3
77.9 to 83.9
Manganese (Mn), % 0.3 to 0.8
0 to 1.0
Molybdenum (Mo), % 0.45 to 0.65
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0
0.1 to 1.0