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EN 1.4724 Stainless Steel vs. EN 1.4910 Stainless Steel

Both EN 1.4724 stainless steel and EN 1.4910 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, 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 1.4910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
200
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
41
Fatigue Strength, MPa 170
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
78
Shear Strength, MPa 340
450
Tensile Strength: Ultimate (UTS), MPa 550
650
Tensile Strength: Yield (Proof), MPa 280
290

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 850
950
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 21
16
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
20
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.0
3.9
Embodied Energy, MJ/kg 28
54
Embodied Water, L/kg 110
150

Common Calculations

PREN (Pitting Resistance) 13
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 73
220
Resilience: Unit (Modulus of Resilience), kJ/m3 210
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
23
Strength to Weight: Bending, points 19
21
Thermal Diffusivity, mm2/s 5.6
4.3
Thermal Shock Resistance, points 19
14

Alloy Composition

Aluminum (Al), % 0.7 to 1.2
0
Boron (B), % 0
0.0015 to 0.0050
Carbon (C), % 0 to 0.12
0 to 0.040
Chromium (Cr), % 12 to 14
16 to 18
Iron (Fe), % 82.2 to 86.6
62 to 69.9
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
12 to 14
Nitrogen (N), % 0
0.1 to 0.18
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0.7 to 1.4
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.015