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EN 1.4724 Stainless Steel vs. EN 1.7366 Steel

Both EN 1.4724 stainless steel and EN 1.7366 steel are iron alloys. They have a moderately high 90% 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 1.4724 stainless steel and the bottom bar is EN 1.7366 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
140 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
17 to 19
Fatigue Strength, MPa 170
160 to 320
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
74
Shear Strength, MPa 340
290 to 440
Tensile Strength: Ultimate (UTS), MPa 550
460 to 710
Tensile Strength: Yield (Proof), MPa 280
230 to 480

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 850
510
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 21
40
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
4.3
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.7
Embodied Energy, MJ/kg 28
23
Embodied Water, L/kg 110
69

Common Calculations

PREN (Pitting Resistance) 13
6.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 73
74 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 210
140 to 600
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
16 to 25
Strength to Weight: Bending, points 19
17 to 23
Thermal Diffusivity, mm2/s 5.6
11
Thermal Shock Resistance, points 19
13 to 20

Alloy Composition

Aluminum (Al), % 0.7 to 1.2
0
Carbon (C), % 0 to 0.12
0 to 0.18
Chromium (Cr), % 12 to 14
4.0 to 6.0
Iron (Fe), % 82.2 to 86.6
91.9 to 95.3
Manganese (Mn), % 0 to 1.0
0.3 to 0.8
Molybdenum (Mo), % 0
0.45 to 0.65
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0.7 to 1.4
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.015