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EN 1.4451 Stainless Steel vs. EN 1.4832 Stainless Steel

Both EN 1.4451 stainless steel and EN 1.4832 stainless steel are iron alloys. They have 88% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4451 stainless steel and the bottom bar is EN 1.4832 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
150
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
11
Fatigue Strength, MPa 370
140
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 750
510
Tensile Strength: Yield (Proof), MPa 540
260

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 450
420
Maximum Temperature: Mechanical, °C 1100
950
Melting Completion (Liquidus), °C 1430
1400
Melting Onset (Solidus), °C 1380
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
14
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 20
19
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.8
3.6
Embodied Energy, MJ/kg 53
51
Embodied Water, L/kg 190
160

Common Calculations

PREN (Pitting Resistance) 39
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
48
Resilience: Unit (Modulus of Resilience), kJ/m3 710
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
18
Strength to Weight: Bending, points 23
18
Thermal Diffusivity, mm2/s 4.5
3.7
Thermal Shock Resistance, points 16
12

Alloy Composition

Carbon (C), % 0 to 0.030
0.15 to 0.35
Chromium (Cr), % 25 to 27
19 to 21
Copper (Cu), % 2.8 to 3.5
0
Iron (Fe), % 56.2 to 64.6
58.6 to 67.4
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 2.5 to 3.5
0 to 0.5
Nickel (Ni), % 5.0 to 7.0
13 to 15
Nitrogen (N), % 0.12 to 0.22
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0.5 to 2.5
Sulfur (S), % 0 to 0.025
0 to 0.030