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EN 1.4482 Stainless Steel vs. EN 1.4021 Stainless Steel

Both EN 1.4482 stainless steel and EN 1.4021 stainless steel are iron alloys. They have 85% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4482 stainless steel and the bottom bar is EN 1.4021 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
11 to 17
Fatigue Strength, MPa 420 to 450
240 to 380
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Shear Strength, MPa 510 to 530
390 to 530
Tensile Strength: Ultimate (UTS), MPa 770 to 800
630 to 880
Tensile Strength: Yield (Proof), MPa 530 to 570
390 to 670

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 430
390
Maximum Temperature: Mechanical, °C 980
760
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
30
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 12
7.0
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.7
1.9
Embodied Energy, MJ/kg 38
27
Embodied Water, L/kg 150
100

Common Calculations

PREN (Pitting Resistance) 24
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230 to 250
88 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 690 to 820
400 to 1160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 29
23 to 31
Strength to Weight: Bending, points 24 to 25
21 to 26
Thermal Diffusivity, mm2/s 4.0
8.1
Thermal Shock Resistance, points 21 to 22
22 to 31

Alloy Composition

Carbon (C), % 0 to 0.030
0.16 to 0.25
Chromium (Cr), % 19.5 to 21.5
12 to 14
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 66.1 to 74.9
83.2 to 87.8
Manganese (Mn), % 4.0 to 6.0
0 to 1.5
Molybdenum (Mo), % 0.1 to 0.6
0
Nickel (Ni), % 1.5 to 3.5
0
Nitrogen (N), % 0.050 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015