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EN 1.4369 Stainless Steel vs. SAE-AISI 1345 Steel

Both EN 1.4369 stainless steel and SAE-AISI 1345 steel are iron alloys. They have 69% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4369 stainless steel and the bottom bar is SAE-AISI 1345 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
170 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
11 to 23
Fatigue Strength, MPa 330
230 to 390
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Shear Strength, MPa 580
370 to 440
Tensile Strength: Ultimate (UTS), MPa 850
590 to 730
Tensile Strength: Yield (Proof), MPa 390
330 to 620

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
400
Melting Completion (Liquidus), °C 1400
1450
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 14
1.9
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.0
1.4
Embodied Energy, MJ/kg 43
19
Embodied Water, L/kg 150
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
78 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 380
290 to 1040
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31
21 to 26
Strength to Weight: Bending, points 26
20 to 23
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 18
19 to 23

Alloy Composition

Carbon (C), % 0.070 to 0.15
0.43 to 0.48
Chromium (Cr), % 17.5 to 19.5
0
Iron (Fe), % 63 to 70.2
97.2 to 97.8
Manganese (Mn), % 5.0 to 7.5
1.6 to 1.9
Nickel (Ni), % 6.5 to 8.5
0
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0.5 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.040