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EN 1.4935 Stainless Steel vs. EN 1.4981 Stainless Steel

Both EN 1.4935 stainless steel and EN 1.4981 stainless steel are iron alloys. They have 77% of their average alloy composition in common. There are 32 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 1.4935 stainless steel and the bottom bar is EN 1.4981 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 16 to 18
39
Fatigue Strength, MPa 350 to 400
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 480 to 540
420
Tensile Strength: Ultimate (UTS), MPa 780 to 880
610
Tensile Strength: Yield (Proof), MPa 570 to 670
240

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 380
520
Maximum Temperature: Mechanical, °C 740
940
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 24
16
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
25
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.9
4.8
Embodied Energy, MJ/kg 42
67
Embodied Water, L/kg 100
150

Common Calculations

PREN (Pitting Resistance) 16
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
190
Resilience: Unit (Modulus of Resilience), kJ/m3 830 to 1160
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 31
21
Strength to Weight: Bending, points 24 to 26
20
Thermal Diffusivity, mm2/s 6.5
4.3
Thermal Shock Resistance, points 27 to 30
14

Alloy Composition

Carbon (C), % 0.17 to 0.24
0.040 to 0.1
Chromium (Cr), % 11 to 12.5
15.5 to 17.5
Iron (Fe), % 83 to 86.7
59.6 to 66.7
Manganese (Mn), % 0.3 to 0.8
0 to 1.5
Molybdenum (Mo), % 0.8 to 1.2
1.6 to 2.0
Nickel (Ni), % 0.3 to 0.8
15.5 to 17.5
Niobium (Nb), % 0
0.4 to 1.2
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0.1 to 0.5
0.3 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.015
Tungsten (W), % 0.4 to 0.6
0
Vanadium (V), % 0.2 to 0.35
0