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EN 1.4640 Stainless Steel vs. EN 1.4982 Stainless Steel

Both EN 1.4640 stainless steel and EN 1.4982 stainless steel are iron alloys. They have a moderately high 90% 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 1.4640 stainless steel and the bottom bar is EN 1.4982 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 200
230
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 51
28
Fatigue Strength, MPa 230 to 250
420
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 440 to 460
490
Tensile Strength: Ultimate (UTS), MPa 620 to 650
750
Tensile Strength: Yield (Proof), MPa 240 to 260
570

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 420
540
Maximum Temperature: Mechanical, °C 930
860
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
13
Thermal Expansion, µm/m-K 16
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 14
22
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.8
4.9
Embodied Energy, MJ/kg 40
71
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 20
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 250 to 260
190
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 170
830
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 23
27
Strength to Weight: Bending, points 21
23
Thermal Diffusivity, mm2/s 4.0
3.4
Thermal Shock Resistance, points 14 to 15
17

Alloy Composition

Boron (B), % 0
0.0030 to 0.0090
Carbon (C), % 0.030 to 0.080
0.070 to 0.13
Chromium (Cr), % 18 to 19
14 to 16
Copper (Cu), % 1.3 to 2.0
0
Iron (Fe), % 67.4 to 73.6
61.8 to 69.7
Manganese (Mn), % 1.5 to 4.0
5.5 to 7.0
Molybdenum (Mo), % 0
0.8 to 1.2
Nickel (Ni), % 5.5 to 6.9
9.0 to 11
Niobium (Nb), % 0
0.75 to 1.3
Nitrogen (N), % 0.030 to 0.11
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0
0.15 to 0.4