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EN 1.4982 Stainless Steel vs. EN 1.4650 Stainless Steel

Both EN 1.4982 stainless steel and EN 1.4650 stainless steel are iron alloys. They have a moderately high 92% 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 1.4650 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
48
Fatigue Strength, MPa 420
230
Impact Strength: V-Notched Charpy, J 57
91
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 490
440
Tensile Strength: Ultimate (UTS), MPa 750
620
Tensile Strength: Yield (Proof), MPa 570
240

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 540
420
Maximum Temperature: Mechanical, °C 860
970
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 13
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 22
16
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.9
3.1
Embodied Energy, MJ/kg 71
43
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 19
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
240
Resilience: Unit (Modulus of Resilience), kJ/m3 830
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
22
Strength to Weight: Bending, points 23
21
Thermal Diffusivity, mm2/s 3.4
4.1
Thermal Shock Resistance, points 17
14

Alloy Composition

Boron (B), % 0.0030 to 0.0090
0
Carbon (C), % 0.070 to 0.13
0 to 0.030
Chromium (Cr), % 14 to 16
18.5 to 20
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 61.8 to 69.7
65.8 to 72.5
Manganese (Mn), % 5.5 to 7.0
0 to 2.0
Molybdenum (Mo), % 0.8 to 1.2
0
Nickel (Ni), % 9.0 to 11
9.0 to 10
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0 to 0.1
0 to 0.080
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0.15 to 0.4
0