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EN 1.4988 Stainless Steel vs. SAE-AISI 1017 Steel

Both EN 1.4988 stainless steel and SAE-AISI 1017 steel are iron alloys. They have 66% 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 1.4988 stainless steel and the bottom bar is SAE-AISI 1017 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
120 to 130
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
20 to 30
Fatigue Strength, MPa 230
170 to 270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 430
280 to 290
Tensile Strength: Ultimate (UTS), MPa 640
420 to 460
Tensile Strength: Yield (Proof), MPa 290
220 to 390

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 920
400
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
53
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 23
1.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 6.0
1.4
Embodied Energy, MJ/kg 89
18
Embodied Water, L/kg 150
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
88 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 210
130 to 400
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23
15 to 16
Strength to Weight: Bending, points 21
16 to 17
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 14
13 to 14

Alloy Composition

Carbon (C), % 0.040 to 0.1
0.15 to 0.2
Chromium (Cr), % 15.5 to 17.5
0
Iron (Fe), % 62.1 to 69.5
99.11 to 99.55
Manganese (Mn), % 0 to 1.5
0.3 to 0.6
Molybdenum (Mo), % 1.1 to 1.5
0
Nickel (Ni), % 12.5 to 14.5
0
Niobium (Nb), % 0.4 to 1.2
0
Nitrogen (N), % 0.060 to 0.14
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0.3 to 0.6
0
Sulfur (S), % 0 to 0.015
0 to 0.050
Vanadium (V), % 0.6 to 0.85
0