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EN 1.4724 Stainless Steel vs. EN 1.4828 Stainless Steel

Both EN 1.4724 stainless steel and EN 1.4828 stainless steel are iron alloys. They have 79% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4724 stainless steel and the bottom bar is EN 1.4828 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
33
Fatigue Strength, MPa 170
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Shear Strength, MPa 340
430
Tensile Strength: Ultimate (UTS), MPa 550
650
Tensile Strength: Yield (Proof), MPa 280
260

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Corrosion, °C 390
420
Maximum Temperature: Mechanical, °C 850
1000
Melting Completion (Liquidus), °C 1430
1400
Melting Onset (Solidus), °C 1390
1360
Specific Heat Capacity, J/kg-K 490
490
Thermal Conductivity, W/m-K 21
15
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
17
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.0
3.4
Embodied Energy, MJ/kg 28
48
Embodied Water, L/kg 110
150

Common Calculations

PREN (Pitting Resistance) 13
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 73
170
Resilience: Unit (Modulus of Resilience), kJ/m3 210
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
23
Strength to Weight: Bending, points 19
22
Thermal Diffusivity, mm2/s 5.6
4.0
Thermal Shock Resistance, points 19
14

Alloy Composition

Aluminum (Al), % 0.7 to 1.2
0
Carbon (C), % 0 to 0.12
0 to 0.2
Chromium (Cr), % 12 to 14
19 to 21
Iron (Fe), % 82.2 to 86.6
61.1 to 68.5
Manganese (Mn), % 0 to 1.0
0 to 2.0
Nickel (Ni), % 0
11 to 13
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0.7 to 1.4
1.5 to 2.5
Sulfur (S), % 0 to 0.015
0 to 0.015