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EN 1.4821 Stainless Steel vs. S30441 Stainless Steel

Both EN 1.4821 stainless steel and S30441 stainless steel are iron alloys. They have a moderately high 92% 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 1.4821 stainless steel and the bottom bar is S30441 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 18
45
Fatigue Strength, MPa 280
210
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
76
Shear Strength, MPa 450
400
Tensile Strength: Ultimate (UTS), MPa 730
580
Tensile Strength: Yield (Proof), MPa 450
230

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 450
460
Maximum Temperature: Mechanical, °C 1100
940
Melting Completion (Liquidus), °C 1410
1420
Melting Onset (Solidus), °C 1370
1370
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 17
15
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 15
18
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.9
3.4
Embodied Energy, MJ/kg 41
50
Embodied Water, L/kg 160
150

Common Calculations

PREN (Pitting Resistance) 26
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
210
Resilience: Unit (Modulus of Resilience), kJ/m3 500
140
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 26
21
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 4.6
4.0
Thermal Shock Resistance, points 21
13

Alloy Composition

Carbon (C), % 0.1 to 0.2
0 to 0.080
Chromium (Cr), % 24.5 to 26.5
17.5 to 19.5
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 64.2 to 71.1
62 to 71.7
Manganese (Mn), % 0 to 2.0
0 to 2.0
Nickel (Ni), % 3.5 to 5.5
8.0 to 10.5
Niobium (Nb), % 0
0.1 to 0.5
Nitrogen (N), % 0 to 0.1
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0.8 to 1.5
1.0 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 0
0.2 to 0.8