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EN 1.4594 Stainless Steel vs. EN 1.4313 Stainless Steel

Both EN 1.4594 stainless steel and EN 1.4313 stainless steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4594 stainless steel and the bottom bar is EN 1.4313 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11 to 17
12 to 17
Fatigue Strength, MPa 490 to 620
340 to 510
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 620 to 700
460 to 600
Tensile Strength: Ultimate (UTS), MPa 1020 to 1170
750 to 1000
Tensile Strength: Yield (Proof), MPa 810 to 1140
580 to 910

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 450
390
Maximum Temperature: Mechanical, °C 820
780
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
25
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 15
10
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.2
2.4
Embodied Energy, MJ/kg 45
34
Embodied Water, L/kg 130
110

Common Calculations

PREN (Pitting Resistance) 19
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
110 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 1660 to 3320
870 to 2100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 36 to 41
27 to 36
Strength to Weight: Bending, points 29 to 31
23 to 28
Thermal Diffusivity, mm2/s 4.4
6.7
Thermal Shock Resistance, points 34 to 39
27 to 36

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.050
Chromium (Cr), % 13 to 15
12 to 14
Copper (Cu), % 1.2 to 2.0
0
Iron (Fe), % 72.6 to 79.5
78.5 to 84.2
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 1.2 to 2.0
0.3 to 0.7
Nickel (Ni), % 5.0 to 6.0
3.5 to 4.5
Niobium (Nb), % 0.15 to 0.6
0
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.7
0 to 0.7
Sulfur (S), % 0 to 0.015
0 to 0.015