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EN 1.4986 Stainless Steel vs. SAE-AISI 1030 Steel

Both EN 1.4986 stainless steel and SAE-AISI 1030 steel are iron alloys. They have 64% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4986 stainless steel and the bottom bar is SAE-AISI 1030 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
150 to 160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 18
14 to 22
Fatigue Strength, MPa 350
210 to 320
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 460
330 to 360
Tensile Strength: Ultimate (UTS), MPa 750
530 to 590
Tensile Strength: Yield (Proof), MPa 560
300 to 490

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 25
1.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.8
1.4
Embodied Energy, MJ/kg 67
18
Embodied Water, L/kg 150
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
77 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 790
230 to 650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
19 to 21
Strength to Weight: Bending, points 23
18 to 20
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 16
17 to 19

Alloy Composition

Boron (B), % 0.050 to 0.1
0
Carbon (C), % 0.040 to 0.1
0.28 to 0.34
Chromium (Cr), % 15.5 to 17.5
0
Iron (Fe), % 59.4 to 66.6
98.7 to 99.12
Manganese (Mn), % 0 to 1.5
0.6 to 0.9
Molybdenum (Mo), % 1.6 to 2.0
0
Nickel (Ni), % 15.5 to 17.5
0
Niobium (Nb), % 0.4 to 1.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0.3 to 0.6
0
Sulfur (S), % 0 to 0.030
0 to 0.050