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EN 1.4981 Stainless Steel vs. EN 1.4361 Stainless Steel

Both EN 1.4981 stainless steel and EN 1.4361 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have a very high 95% 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 1.4981 stainless steel and the bottom bar is EN 1.4361 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
43
Fatigue Strength, MPa 210
220
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Shear Strength, MPa 420
440
Tensile Strength: Ultimate (UTS), MPa 610
630
Tensile Strength: Yield (Proof), MPa 240
250

Thermal Properties

Latent Heat of Fusion, J/g 290
350
Maximum Temperature: Corrosion, °C 520
410
Maximum Temperature: Mechanical, °C 940
940
Melting Completion (Liquidus), °C 1440
1370
Melting Onset (Solidus), °C 1400
1330
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 16
14
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 25
19
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 4.8
3.6
Embodied Energy, MJ/kg 67
52
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 22
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
220
Resilience: Unit (Modulus of Resilience), kJ/m3 150
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21
23
Strength to Weight: Bending, points 20
21
Thermal Diffusivity, mm2/s 4.3
3.7
Thermal Shock Resistance, points 14
15

Alloy Composition

Carbon (C), % 0.040 to 0.1
0 to 0.015
Chromium (Cr), % 15.5 to 17.5
16.5 to 18.5
Iron (Fe), % 59.6 to 66.7
58.7 to 65.8
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 1.6 to 2.0
0 to 0.2
Nickel (Ni), % 15.5 to 17.5
14 to 16
Niobium (Nb), % 0.4 to 1.2
0
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0.3 to 0.6
3.7 to 4.5
Sulfur (S), % 0 to 0.015
0 to 0.010