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EN 1.4961 Stainless Steel vs. EN 1.4405 Stainless Steel

Both EN 1.4961 stainless steel and EN 1.4405 stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4961 stainless steel and the bottom bar is EN 1.4405 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
17
Fatigue Strength, MPa 190
370
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 610
860
Tensile Strength: Yield (Proof), MPa 220
610

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 510
410
Maximum Temperature: Mechanical, °C 890
870
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
17
Thermal Expansion, µm/m-K 16
11

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 21
13
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.0
2.8
Embodied Energy, MJ/kg 57
39
Embodied Water, L/kg 140
130

Common Calculations

PREN (Pitting Resistance) 16
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
130
Resilience: Unit (Modulus of Resilience), kJ/m3 120
950
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
31
Strength to Weight: Bending, points 20
26
Thermal Diffusivity, mm2/s 4.3
4.6
Thermal Shock Resistance, points 14
29

Alloy Composition

Carbon (C), % 0.040 to 0.1
0 to 0.060
Chromium (Cr), % 15 to 17
15 to 17
Iron (Fe), % 65.6 to 72.3
73.6 to 80.3
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
0.7 to 1.5
Nickel (Ni), % 12 to 14
4.0 to 6.0
Niobium (Nb), % 0.4 to 1.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0.3 to 0.6
0 to 0.8
Sulfur (S), % 0 to 0.015
0 to 0.025