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EN 1.4542 Stainless Steel vs. EN 1.4658 Stainless Steel

Both EN 1.4542 stainless steel and EN 1.4658 stainless steel are iron alloys. They have 79% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4542 stainless steel and the bottom bar is EN 1.4658 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 5.7 to 20
28
Fatigue Strength, MPa 370 to 640
530
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
81
Shear Strength, MPa 550 to 860
580
Tensile Strength: Ultimate (UTS), MPa 880 to 1470
900
Tensile Strength: Yield (Proof), MPa 580 to 1300
730

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 440
460
Maximum Temperature: Mechanical, °C 860
1100
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
16
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 13
25
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.7
4.5
Embodied Energy, MJ/kg 39
61
Embodied Water, L/kg 130
200

Common Calculations

PREN (Pitting Resistance) 17
49
Resilience: Ultimate (Unit Rupture Work), MJ/m3 62 to 160
240
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 4360
1280
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31 to 52
32
Strength to Weight: Bending, points 26 to 37
26
Thermal Diffusivity, mm2/s 4.3
4.3
Thermal Shock Resistance, points 29 to 49
24

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.030
Chromium (Cr), % 15 to 17
26 to 29
Cobalt (Co), % 0
0.5 to 2.0
Copper (Cu), % 3.0 to 5.0
0 to 1.0
Iron (Fe), % 69.6 to 79
50.9 to 63.7
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 0 to 0.6
4.0 to 5.0
Nickel (Ni), % 3.0 to 5.0
5.5 to 9.5
Niobium (Nb), % 0 to 0.45
0
Nitrogen (N), % 0
0.3 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.7
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.010