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AISI 347 Stainless Steel vs. EN 1.4594 Stainless Steel

Both AISI 347 stainless steel and EN 1.4594 stainless steel are iron alloys. They have 90% 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 AISI 347 stainless steel and the bottom bar is EN 1.4594 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34 to 46
11 to 17
Fatigue Strength, MPa 220 to 270
490 to 620
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 430 to 460
620 to 700
Tensile Strength: Ultimate (UTS), MPa 610 to 690
1020 to 1170
Tensile Strength: Yield (Proof), MPa 240 to 350
810 to 1140

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 480
450
Maximum Temperature: Mechanical, °C 870
820
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
16
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 19
15
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.6
3.2
Embodied Energy, MJ/kg 52
45
Embodied Water, L/kg 150
130

Common Calculations

PREN (Pitting Resistance) 18
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190 to 220
110 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 310
1660 to 3320
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 25
36 to 41
Strength to Weight: Bending, points 20 to 22
29 to 31
Thermal Diffusivity, mm2/s 4.3
4.4
Thermal Shock Resistance, points 13 to 15
34 to 39

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.070
Chromium (Cr), % 17 to 19
13 to 15
Copper (Cu), % 0
1.2 to 2.0
Iron (Fe), % 64.1 to 74
72.6 to 79.5
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0
1.2 to 2.0
Nickel (Ni), % 9.0 to 13
5.0 to 6.0
Niobium (Nb), % 0 to 1.0
0.15 to 0.6
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.015