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EN 1.4982 Stainless Steel vs. EN 1.4986 Stainless Steel

Both EN 1.4982 stainless steel and EN 1.4986 stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4982 stainless steel and the bottom bar is EN 1.4986 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
230
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
18
Fatigue Strength, MPa 420
350
Impact Strength: V-Notched Charpy, J 57
57
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 490
460
Tensile Strength: Ultimate (UTS), MPa 750
750
Tensile Strength: Yield (Proof), MPa 570
560

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 540
520
Maximum Temperature: Mechanical, °C 860
940
Melting Completion (Liquidus), °C 1430
1450
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
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 22
25
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.9
4.8
Embodied Energy, MJ/kg 71
67
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 19
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
120
Resilience: Unit (Modulus of Resilience), kJ/m3 830
790
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
26
Strength to Weight: Bending, points 23
23
Thermal Diffusivity, mm2/s 3.4
4.0
Thermal Shock Resistance, points 17
16

Alloy Composition

Boron (B), % 0.0030 to 0.0090
0.050 to 0.1
Carbon (C), % 0.070 to 0.13
0.040 to 0.1
Chromium (Cr), % 14 to 16
15.5 to 17.5
Iron (Fe), % 61.8 to 69.7
59.4 to 66.6
Manganese (Mn), % 5.5 to 7.0
0 to 1.5
Molybdenum (Mo), % 0.8 to 1.2
1.6 to 2.0
Nickel (Ni), % 9.0 to 11
15.5 to 17.5
Niobium (Nb), % 0.75 to 1.3
0.4 to 1.2
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0.3 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.15 to 0.4
0