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AISI 434 Stainless Steel vs. EN 1.4945 Stainless Steel

Both AISI 434 stainless steel and EN 1.4945 stainless steel are iron alloys. They have 79% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AISI 434 stainless steel and the bottom bar is EN 1.4945 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
200 to 220
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 24
19 to 34
Fatigue Strength, MPa 220
230 to 350
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 330
430 to 460
Tensile Strength: Ultimate (UTS), MPa 520
640 to 740
Tensile Strength: Yield (Proof), MPa 320
290 to 550

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
520
Maximum Temperature: Mechanical, °C 880
920
Melting Completion (Liquidus), °C 1510
1490
Melting Onset (Solidus), °C 1430
1440
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
14
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
30
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 2.4
5.0
Embodied Energy, MJ/kg 33
73
Embodied Water, L/kg 120
150

Common Calculations

PREN (Pitting Resistance) 20
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
130 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 260
210 to 760
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
22 to 25
Strength to Weight: Bending, points 18
20 to 22
Thermal Diffusivity, mm2/s 6.7
3.7
Thermal Shock Resistance, points 19
14 to 16

Alloy Composition

Carbon (C), % 0 to 0.12
0.040 to 0.1
Chromium (Cr), % 16 to 18
15.5 to 17.5
Iron (Fe), % 78.6 to 83.3
57.9 to 65.7
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0.75 to 1.3
0
Nickel (Ni), % 0
15.5 to 17.5
Niobium (Nb), % 0
0.4 to 1.2
Nitrogen (N), % 0
0.060 to 0.14
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 0.030
0 to 0.015
Tungsten (W), % 0
2.5 to 3.5