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EN 1.4982 Stainless Steel vs. EN 1.4443 Stainless Steel

Both EN 1.4982 stainless steel and EN 1.4443 stainless steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4982 stainless steel and the bottom bar is EN 1.4443 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
140
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
34
Fatigue Strength, MPa 420
170
Impact Strength: V-Notched Charpy, J 57
67
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 750
490
Tensile Strength: Yield (Proof), MPa 570
210

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 540
420
Maximum Temperature: Mechanical, °C 860
1000
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 13
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 22
20
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.9
4.0
Embodied Energy, MJ/kg 71
54
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 19
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
140
Resilience: Unit (Modulus of Resilience), kJ/m3 830
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
17
Strength to Weight: Bending, points 23
18
Thermal Diffusivity, mm2/s 3.4
3.9
Thermal Shock Resistance, points 17
11

Alloy Composition

Boron (B), % 0.0030 to 0.0090
0
Carbon (C), % 0.070 to 0.13
0 to 0.050
Chromium (Cr), % 14 to 16
18 to 20
Iron (Fe), % 61.8 to 69.7
60.4 to 69.5
Manganese (Mn), % 5.5 to 7.0
0 to 2.0
Molybdenum (Mo), % 0.8 to 1.2
2.5 to 3.0
Nickel (Ni), % 9.0 to 11
10 to 13
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.15 to 0.4
0