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EN 1.4971 Stainless Steel vs. EN 1.6982 Stainless Steel

Both EN 1.4971 stainless steel and EN 1.6982 stainless steel are iron alloys. They have 49% of their average alloy composition in common. 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 EN 1.6982 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 34
17
Fatigue Strength, MPa 270
350
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 81
76
Tensile Strength: Ultimate (UTS), MPa 800
800
Tensile Strength: Yield (Proof), MPa 340
570

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 570
390
Maximum Temperature: Mechanical, °C 1100
770
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 13
25
Thermal Expansion, µm/m-K 15
10

Otherwise Unclassified Properties

Base Metal Price, % relative 70
10
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 7.6
2.4
Embodied Energy, MJ/kg 110
33
Embodied Water, L/kg 300
110

Common Calculations

PREN (Pitting Resistance) 38
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
120
Resilience: Unit (Modulus of Resilience), kJ/m3 280
820
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
28
Strength to Weight: Bending, points 23
25
Thermal Diffusivity, mm2/s 3.4
6.6
Thermal Shock Resistance, points 19
29

Alloy Composition

Carbon (C), % 0.080 to 0.16
0 to 0.050
Chromium (Cr), % 20 to 22.5
12 to 13.5
Cobalt (Co), % 18.5 to 21
0
Iron (Fe), % 24.3 to 37.1
78.7 to 84.5
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 2.5 to 3.5
0 to 0.7
Nickel (Ni), % 19 to 21
3.5 to 5.0
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Tungsten (W), % 2.0 to 3.0
0