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EN 1.4162 Stainless Steel vs. EN 1.4981 Stainless Steel

Both EN 1.4162 stainless steel and EN 1.4981 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 83% 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 1.4162 stainless steel and the bottom bar is EN 1.4981 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 32
39
Fatigue Strength, MPa 410
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 520
420
Tensile Strength: Ultimate (UTS), MPa 780
610
Tensile Strength: Yield (Proof), MPa 520
240

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 430
520
Maximum Temperature: Mechanical, °C 1000
940
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 13
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 12
25
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.6
4.8
Embodied Energy, MJ/kg 38
67
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 27
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
190
Resilience: Unit (Modulus of Resilience), kJ/m3 690
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
21
Strength to Weight: Bending, points 25
20
Thermal Diffusivity, mm2/s 4.0
4.3
Thermal Shock Resistance, points 21
14

Alloy Composition

Carbon (C), % 0 to 0.040
0.040 to 0.1
Chromium (Cr), % 21 to 22
15.5 to 17.5
Copper (Cu), % 0.1 to 0.8
0
Iron (Fe), % 67.2 to 73.3
59.6 to 66.7
Manganese (Mn), % 4.0 to 6.0
0 to 1.5
Molybdenum (Mo), % 0.1 to 0.8
1.6 to 2.0
Nickel (Ni), % 1.4 to 1.9
15.5 to 17.5
Niobium (Nb), % 0
0.4 to 1.2
Nitrogen (N), % 0.2 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0.3 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.015