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EN 1.4982 Stainless Steel vs. EN 1.4818 Stainless Steel

Both EN 1.4982 stainless steel and EN 1.4818 stainless steel are iron alloys. They have a moderately high 92% 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 1.4818 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
40
Fatigue Strength, MPa 420
280
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 490
480
Tensile Strength: Ultimate (UTS), MPa 750
700
Tensile Strength: Yield (Proof), MPa 570
330

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 540
420
Maximum Temperature: Mechanical, °C 860
1050
Melting Completion (Liquidus), °C 1430
1410
Melting Onset (Solidus), °C 1390
1370
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 13
17
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 22
16
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.9
3.1
Embodied Energy, MJ/kg 71
44
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 19
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
230
Resilience: Unit (Modulus of Resilience), kJ/m3 830
270
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
25
Strength to Weight: Bending, points 23
23
Thermal Diffusivity, mm2/s 3.4
4.5
Thermal Shock Resistance, points 17
15

Alloy Composition

Boron (B), % 0.0030 to 0.0090
0
Carbon (C), % 0.070 to 0.13
0.040 to 0.080
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 14 to 16
18 to 20
Iron (Fe), % 61.8 to 69.7
65.6 to 71.8
Manganese (Mn), % 5.5 to 7.0
0 to 1.0
Molybdenum (Mo), % 0.8 to 1.2
0
Nickel (Ni), % 9.0 to 11
9.0 to 11
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0 to 0.1
0.12 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
1.0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0.15 to 0.4
0