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EN 1.4006 Stainless Steel vs. EN 1.4971 Stainless Steel

Both EN 1.4006 stainless steel and EN 1.4971 stainless steel are iron alloys. They have 45% of their average alloy composition in common. There are 30 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 1.4006 stainless steel and the bottom bar is EN 1.4971 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 16 to 23
34
Fatigue Strength, MPa 150 to 300
270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
81
Shear Strength, MPa 370 to 460
530
Tensile Strength: Ultimate (UTS), MPa 590 to 750
800
Tensile Strength: Yield (Proof), MPa 230 to 510
340

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 390
570
Maximum Temperature: Mechanical, °C 740
1100
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 30
13
Thermal Expansion, µm/m-K 11
15

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
70
Density, g/cm3 7.7
8.4
Embodied Carbon, kg CO2/kg material 1.9
7.6
Embodied Energy, MJ/kg 27
110
Embodied Water, L/kg 100
300

Common Calculations

PREN (Pitting Resistance) 13
38
Resilience: Ultimate (Unit Rupture Work), MJ/m3 99 to 110
220
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 660
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 27
26
Strength to Weight: Bending, points 20 to 24
23
Thermal Diffusivity, mm2/s 8.1
3.4
Thermal Shock Resistance, points 21 to 26
19

Alloy Composition

Carbon (C), % 0.080 to 0.15
0.080 to 0.16
Chromium (Cr), % 11.5 to 13.5
20 to 22.5
Cobalt (Co), % 0
18.5 to 21
Iron (Fe), % 83.1 to 88.4
24.3 to 37.1
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 0 to 0.75
19 to 21
Niobium (Nb), % 0
0.75 to 1.3
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Tungsten (W), % 0
2.0 to 3.0