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EN 1.4028 Stainless Steel vs. EN 1.4542 Stainless Steel

Both EN 1.4028 stainless steel and EN 1.4542 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 1.4028 stainless steel and the bottom bar is EN 1.4542 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 17
5.7 to 20
Fatigue Strength, MPa 230 to 400
370 to 640
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 410 to 550
550 to 860
Tensile Strength: Ultimate (UTS), MPa 660 to 930
880 to 1470
Tensile Strength: Yield (Proof), MPa 390 to 730
580 to 1300

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 390
440
Maximum Temperature: Mechanical, °C 760
860
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
16
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
13
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.9
2.7
Embodied Energy, MJ/kg 27
39
Embodied Water, L/kg 100
130

Common Calculations

PREN (Pitting Resistance) 13
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 94 to 96
62 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 1360
880 to 4360
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24 to 33
31 to 52
Strength to Weight: Bending, points 22 to 27
26 to 37
Thermal Diffusivity, mm2/s 8.1
4.3
Thermal Shock Resistance, points 23 to 32
29 to 49

Alloy Composition

Carbon (C), % 0.26 to 0.35
0 to 0.070
Chromium (Cr), % 12 to 14
15 to 17
Copper (Cu), % 0
3.0 to 5.0
Iron (Fe), % 83.1 to 87.7
69.6 to 79
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.6
Nickel (Ni), % 0
3.0 to 5.0
Niobium (Nb), % 0
0 to 0.45
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.015
0 to 0.015

Comparable Variants