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EN 1.6982 Stainless Steel vs. SAE-AISI 1039 Steel

Both EN 1.6982 stainless steel and SAE-AISI 1039 steel are iron alloys. They have 82% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.6982 stainless steel and the bottom bar is SAE-AISI 1039 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17
14 to 18
Fatigue Strength, MPa 350
230 to 370
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 800
610 to 690
Tensile Strength: Yield (Proof), MPa 570
340 to 580

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 770
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
51
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 10
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.4
1.4
Embodied Energy, MJ/kg 33
18
Embodied Water, L/kg 110
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
88 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 820
310 to 890
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
22 to 24
Strength to Weight: Bending, points 25
20 to 22
Thermal Diffusivity, mm2/s 6.6
14
Thermal Shock Resistance, points 29
19 to 22

Alloy Composition

Carbon (C), % 0 to 0.050
0.37 to 0.44
Chromium (Cr), % 12 to 13.5
0
Iron (Fe), % 78.7 to 84.5
98.5 to 98.9
Manganese (Mn), % 0 to 1.0
0.7 to 1.0
Molybdenum (Mo), % 0 to 0.7
0
Nickel (Ni), % 3.5 to 5.0
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0 to 0.050