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EN 1.4525 Stainless Steel vs. EN 1.4658 Stainless Steel

Both EN 1.4525 stainless steel and EN 1.4658 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4525 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, % 5.6 to 13
28
Fatigue Strength, MPa 480 to 540
530
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
81
Tensile Strength: Ultimate (UTS), MPa 1030 to 1250
900
Tensile Strength: Yield (Proof), MPa 840 to 1120
730

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 430
460
Maximum Temperature: Mechanical, °C 860
1100
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 18
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 2.8
4.5
Embodied Energy, MJ/kg 39
61
Embodied Water, L/kg 130
200

Common Calculations

PREN (Pitting Resistance) 18
49
Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 130
240
Resilience: Unit (Modulus of Resilience), kJ/m3 1820 to 3230
1280
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 36 to 45
32
Strength to Weight: Bending, points 29 to 33
26
Thermal Diffusivity, mm2/s 4.7
4.3
Thermal Shock Resistance, points 34 to 41
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), % 2.5 to 4.0
0 to 1.0
Iron (Fe), % 70.4 to 79
50.9 to 63.7
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0 to 0.8
4.0 to 5.0
Nickel (Ni), % 3.5 to 5.5
5.5 to 9.5
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0.3 to 0.5
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 0.8
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.010