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EN 1.4307 Stainless Steel vs. SAE-AISI 4817 Steel

Both EN 1.4307 stainless steel and SAE-AISI 4817 steel are iron alloys. They have 75% 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 1.4307 stainless steel and the bottom bar is SAE-AISI 4817 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 270
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 46
23
Fatigue Strength, MPa 190 to 320
270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 410 to 550
350
Tensile Strength: Ultimate (UTS), MPa 590 to 900
560
Tensile Strength: Yield (Proof), MPa 200 to 570
370

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
410
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
52
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 15
4.3
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.0
1.8
Embodied Energy, MJ/kg 43
24
Embodied Water, L/kg 140
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 210
110
Resilience: Unit (Modulus of Resilience), kJ/m3 100 to 810
370
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 32
20
Strength to Weight: Bending, points 20 to 27
19
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 13 to 20
17

Alloy Composition

Carbon (C), % 0 to 0.030
0.15 to 0.2
Chromium (Cr), % 17.5 to 19.5
0
Iron (Fe), % 66.8 to 74.5
94.7 to 95.9
Manganese (Mn), % 0 to 2.0
0.4 to 0.6
Molybdenum (Mo), % 0
0.2 to 0.3
Nickel (Ni), % 8.0 to 10.5
3.3 to 3.8
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.040