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EN 1.4313 Stainless Steel vs. EN 1.4415 Stainless Steel

Both EN 1.4313 stainless steel and EN 1.4415 stainless steel are iron alloys. They have a very high 97% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4313 stainless steel and the bottom bar is EN 1.4415 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 12 to 17
17 to 20
Fatigue Strength, MPa 340 to 510
470 to 510
Impact Strength: V-Notched Charpy, J 55 to 70
91 to 110
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 460 to 600
520 to 570
Tensile Strength: Ultimate (UTS), MPa 750 to 1000
830 to 930
Tensile Strength: Yield (Proof), MPa 580 to 910
730 to 840

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 390
390
Maximum Temperature: Mechanical, °C 780
790
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
19
Thermal Expansion, µm/m-K 10
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 10
13
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.4
3.6
Embodied Energy, MJ/kg 34
51
Embodied Water, L/kg 110
120

Common Calculations

PREN (Pitting Resistance) 15
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 150
150 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 870 to 2100
1350 to 1790
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27 to 36
29 to 33
Strength to Weight: Bending, points 23 to 28
25 to 27
Thermal Diffusivity, mm2/s 6.7
5.1
Thermal Shock Resistance, points 27 to 36
30 to 34

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 12 to 14
11.5 to 13.5
Iron (Fe), % 78.5 to 84.2
75.9 to 82.4
Manganese (Mn), % 0 to 1.5
0 to 0.5
Molybdenum (Mo), % 0.3 to 0.7
1.5 to 2.5
Nickel (Ni), % 3.5 to 4.5
4.5 to 6.5
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.7
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
0 to 0.010
Vanadium (V), % 0
0.1 to 0.5