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EN 1.6982 Stainless Steel vs. EN 1.4598 Stainless Steel

Both EN 1.6982 stainless steel and EN 1.4598 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, 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 EN 1.4598 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
46
Fatigue Strength, MPa 350
210
Impact Strength: V-Notched Charpy, J 56
90
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 800
600
Tensile Strength: Yield (Proof), MPa 570
230

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 770
950
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 10
19
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.4
3.8
Embodied Energy, MJ/kg 33
52
Embodied Water, L/kg 110
150

Common Calculations

PREN (Pitting Resistance) 14
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
220
Resilience: Unit (Modulus of Resilience), kJ/m3 820
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
21
Strength to Weight: Bending, points 25
20
Thermal Diffusivity, mm2/s 6.6
4.1
Thermal Shock Resistance, points 29
14

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 12 to 13.5
16.5 to 18.5
Copper (Cu), % 0
1.3 to 1.8
Iron (Fe), % 78.7 to 84.5
60.8 to 70.1
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.7
2.0 to 2.5
Nickel (Ni), % 3.5 to 5.0
10 to 13
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0.1 to 0.2