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EN 1.4981 Stainless Steel vs. EN 1.4415 Stainless Steel

Both EN 1.4981 stainless steel and EN 1.4415 stainless steel are iron alloys. They have 83% 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 1.4981 stainless steel and the bottom bar is EN 1.4415 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
17 to 20
Fatigue Strength, MPa 210
470 to 510
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 420
520 to 570
Tensile Strength: Ultimate (UTS), MPa 610
830 to 930
Tensile Strength: Yield (Proof), MPa 240
730 to 840

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 520
390
Maximum Temperature: Mechanical, °C 940
790
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
19
Thermal Expansion, µm/m-K 16
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 25
13
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.8
3.6
Embodied Energy, MJ/kg 67
51
Embodied Water, L/kg 150
120

Common Calculations

PREN (Pitting Resistance) 22
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
150 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 150
1350 to 1790
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21
29 to 33
Strength to Weight: Bending, points 20
25 to 27
Thermal Diffusivity, mm2/s 4.3
5.1
Thermal Shock Resistance, points 14
30 to 34

Alloy Composition

Carbon (C), % 0.040 to 0.1
0 to 0.030
Chromium (Cr), % 15.5 to 17.5
11.5 to 13.5
Iron (Fe), % 59.6 to 66.7
75.9 to 82.4
Manganese (Mn), % 0 to 1.5
0 to 0.5
Molybdenum (Mo), % 1.6 to 2.0
1.5 to 2.5
Nickel (Ni), % 15.5 to 17.5
4.5 to 6.5
Niobium (Nb), % 0.4 to 1.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0.3 to 0.6
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
0 to 0.010
Vanadium (V), % 0
0.1 to 0.5