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EN 1.6982 Stainless Steel vs. S44330 Stainless Steel

Both EN 1.6982 stainless steel and S44330 stainless steel are iron alloys. They have 90% 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 1.6982 stainless steel and the bottom bar is S44330 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
25
Fatigue Strength, MPa 350
160
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 800
440
Tensile Strength: Yield (Proof), MPa 570
230

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 390
560
Maximum Temperature: Mechanical, °C 770
990
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
21
Thermal Expansion, µm/m-K 10
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 10
13
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.4
2.8
Embodied Energy, MJ/kg 33
40
Embodied Water, L/kg 110
140

Common Calculations

PREN (Pitting Resistance) 14
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
91
Resilience: Unit (Modulus of Resilience), kJ/m3 820
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
16
Strength to Weight: Bending, points 25
17
Thermal Diffusivity, mm2/s 6.6
5.7
Thermal Shock Resistance, points 29
16

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.025
Chromium (Cr), % 12 to 13.5
20 to 23
Copper (Cu), % 0
0.3 to 0.8
Iron (Fe), % 78.7 to 84.5
72.5 to 79.7
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.7
0
Nickel (Ni), % 3.5 to 5.0
0
Niobium (Nb), % 0
0 to 0.8
Nitrogen (N), % 0
0 to 0.025
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0
0 to 0.8