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EN 1.4313 Stainless Steel vs. EN 1.4945 Stainless Steel

Both EN 1.4313 stainless steel and EN 1.4945 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 32 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 EN 1.4313 stainless steel and the bottom bar is EN 1.4945 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 12 to 17
19 to 34
Fatigue Strength, MPa 340 to 510
230 to 350
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 460 to 600
430 to 460
Tensile Strength: Ultimate (UTS), MPa 750 to 1000
640 to 740
Tensile Strength: Yield (Proof), MPa 580 to 910
290 to 550

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 390
520
Maximum Temperature: Mechanical, °C 780
920
Melting Completion (Liquidus), °C 1450
1490
Melting Onset (Solidus), °C 1400
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 2.9
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 10
30
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 2.4
5.0
Embodied Energy, MJ/kg 34
73
Embodied Water, L/kg 110
150

Common Calculations

PREN (Pitting Resistance) 15
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 150
130 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 870 to 2100
210 to 760
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27 to 36
22 to 25
Strength to Weight: Bending, points 23 to 28
20 to 22
Thermal Diffusivity, mm2/s 6.7
3.7
Thermal Shock Resistance, points 27 to 36
14 to 16

Alloy Composition

Carbon (C), % 0 to 0.050
0.040 to 0.1
Chromium (Cr), % 12 to 14
15.5 to 17.5
Iron (Fe), % 78.5 to 84.2
57.9 to 65.7
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 0.3 to 0.7
0
Nickel (Ni), % 3.5 to 4.5
15.5 to 17.5
Niobium (Nb), % 0
0.4 to 1.2
Nitrogen (N), % 0 to 0.020
0.060 to 0.14
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.7
0.3 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.015
Tungsten (W), % 0
2.5 to 3.5