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AISI 347 Stainless Steel vs. EN 1.4378 Stainless Steel

Both AISI 347 stainless steel and EN 1.4378 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, 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 1.4378 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 210
190 to 340
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34 to 46
14 to 34
Fatigue Strength, MPa 220 to 270
340 to 550
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 430 to 460
510 to 680
Tensile Strength: Ultimate (UTS), MPa 610 to 690
760 to 1130
Tensile Strength: Yield (Proof), MPa 240 to 350
430 to 970

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 480
410
Maximum Temperature: Mechanical, °C 870
910
Melting Completion (Liquidus), °C 1430
1390
Melting Onset (Solidus), °C 1400
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
17

Otherwise Unclassified Properties

Base Metal Price, % relative 19
12
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 3.6
2.7
Embodied Energy, MJ/kg 52
39
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 18
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190 to 220
150 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 310
470 to 2370
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 25
28 to 41
Strength to Weight: Bending, points 20 to 22
24 to 31
Thermal Shock Resistance, points 13 to 15
16 to 23

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 17 to 19
17 to 19
Iron (Fe), % 64.1 to 74
61.2 to 69
Manganese (Mn), % 0 to 2.0
11.5 to 14.5
Nickel (Ni), % 9.0 to 13
2.3 to 3.7
Niobium (Nb), % 0 to 1.0
0
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.045
0 to 0.060
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030