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EN 1.4971 Stainless Steel vs. SAE-AISI 1006 Steel

Both EN 1.4971 stainless steel and SAE-AISI 1006 steel are iron alloys. They have a modest 31% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4971 stainless steel and the bottom bar is SAE-AISI 1006 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
94 to 100
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 34
22 to 33
Fatigue Strength, MPa 270
140 to 210
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 81
73
Shear Strength, MPa 530
230
Tensile Strength: Ultimate (UTS), MPa 800
340 to 370
Tensile Strength: Yield (Proof), MPa 340
180 to 300

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 13
53
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
1.8
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 7.6
1.4
Embodied Energy, MJ/kg 110
18
Embodied Water, L/kg 300
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
75 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 280
86 to 240
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
12 to 13
Strength to Weight: Bending, points 23
14 to 15
Thermal Diffusivity, mm2/s 3.4
14
Thermal Shock Resistance, points 19
10 to 11

Alloy Composition

Carbon (C), % 0.080 to 0.16
0 to 0.080
Chromium (Cr), % 20 to 22.5
0
Cobalt (Co), % 18.5 to 21
0
Iron (Fe), % 24.3 to 37.1
99.43 to 99.75
Manganese (Mn), % 0 to 2.0
0.25 to 0.4
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 19 to 21
0
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0.1 to 0.2
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
Tungsten (W), % 2.0 to 3.0
0