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EN 1.4912 Stainless Steel vs. AISI 405 Stainless Steel

Both EN 1.4912 stainless steel and AISI 405 stainless steel are iron alloys. 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 (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4912 stainless steel and the bottom bar is AISI 405 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
22
Fatigue Strength, MPa 200
130
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 420
300
Tensile Strength: Ultimate (UTS), MPa 610
470
Tensile Strength: Yield (Proof), MPa 230
200

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 520
390
Maximum Temperature: Mechanical, °C 940
820
Melting Completion (Liquidus), °C 1430
1530
Melting Onset (Solidus), °C 1390
1480
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
30
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 20
7.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.8
2.0
Embodied Energy, MJ/kg 55
28
Embodied Water, L/kg 140
100

Common Calculations

PREN (Pitting Resistance) 18
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
84
Resilience: Unit (Modulus of Resilience), kJ/m3 130
100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
17
Strength to Weight: Bending, points 20
17
Thermal Diffusivity, mm2/s 4.2
8.1
Thermal Shock Resistance, points 14
16

Alloy Composition

Aluminum (Al), % 0
0.1 to 0.3
Carbon (C), % 0.040 to 0.1
0 to 0.080
Chromium (Cr), % 17 to 19
11.5 to 14.5
Iron (Fe), % 64.6 to 73.6
82.5 to 88.4
Manganese (Mn), % 0 to 2.0
0 to 1.0
Nickel (Ni), % 9.0 to 12
0 to 0.6
Niobium (Nb), % 0.4 to 1.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030