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AISI 347 Stainless Steel vs. EN 1.4034 Stainless Steel

Both AISI 347 stainless steel and EN 1.4034 stainless steel are iron alloys. They have 83% 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 1.4034 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34 to 46
11 to 14
Fatigue Strength, MPa 220 to 270
230 to 400
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 430 to 460
420 to 540
Tensile Strength: Ultimate (UTS), MPa 610 to 690
690 to 900
Tensile Strength: Yield (Proof), MPa 240 to 350
390 to 730

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 480
390
Maximum Temperature: Mechanical, °C 870
770
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
30
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
3.7

Otherwise Unclassified Properties

Base Metal Price, % relative 19
7.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.6
2.0
Embodied Energy, MJ/kg 52
27
Embodied Water, L/kg 150
100

Common Calculations

PREN (Pitting Resistance) 18
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190 to 220
81 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 310
400 to 1370
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 25
25 to 32
Strength to Weight: Bending, points 20 to 22
22 to 27
Thermal Diffusivity, mm2/s 4.3
8.1
Thermal Shock Resistance, points 13 to 15
24 to 32

Alloy Composition

Carbon (C), % 0 to 0.080
0.43 to 0.5
Chromium (Cr), % 17 to 19
12.5 to 14.5
Iron (Fe), % 64.1 to 74
83 to 87.1
Manganese (Mn), % 0 to 2.0
0 to 1.0
Nickel (Ni), % 9.0 to 13
0
Niobium (Nb), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015