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EN 1.4742 Stainless Steel vs. EN 1.4828 Stainless Steel

Both EN 1.4742 stainless steel and EN 1.4828 stainless steel are iron alloys. They have 84% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4742 stainless steel and the bottom bar is EN 1.4828 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
33
Fatigue Strength, MPa 180
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 370
430
Tensile Strength: Ultimate (UTS), MPa 600
650
Tensile Strength: Yield (Proof), MPa 300
260

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 1000
1000
Melting Completion (Liquidus), °C 1420
1400
Melting Onset (Solidus), °C 1380
1360
Specific Heat Capacity, J/kg-K 490
490
Thermal Conductivity, W/m-K 19
15
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
17
Density, g/cm3 7.6
7.7
Embodied Carbon, kg CO2/kg material 2.2
3.4
Embodied Energy, MJ/kg 32
48
Embodied Water, L/kg 130
150

Common Calculations

PREN (Pitting Resistance) 18
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 84
170
Resilience: Unit (Modulus of Resilience), kJ/m3 230
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
23
Strength to Weight: Bending, points 21
22
Thermal Diffusivity, mm2/s 5.1
4.0
Thermal Shock Resistance, points 21
14

Alloy Composition

Aluminum (Al), % 0.7 to 1.2
0
Carbon (C), % 0 to 0.12
0 to 0.2
Chromium (Cr), % 17 to 19
19 to 21
Iron (Fe), % 77.2 to 81.6
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