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EN 1.4658 Stainless Steel vs. EN 1.4537 Stainless Steel

Both EN 1.4658 stainless steel and EN 1.4537 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 80% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4658 stainless steel and the bottom bar is EN 1.4537 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
220
Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 28
42
Fatigue Strength, MPa 530
290
Impact Strength: V-Notched Charpy, J 110
91
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
80
Shear Strength, MPa 580
480
Tensile Strength: Ultimate (UTS), MPa 900
700
Tensile Strength: Yield (Proof), MPa 730
330

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 460
450
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
14
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 25
34
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 4.5
6.1
Embodied Energy, MJ/kg 61
84
Embodied Water, L/kg 200
220

Common Calculations

PREN (Pitting Resistance) 49
46
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
240
Resilience: Unit (Modulus of Resilience), kJ/m3 1280
270
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32
24
Strength to Weight: Bending, points 26
22
Thermal Diffusivity, mm2/s 4.3
3.7
Thermal Shock Resistance, points 24
15

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.020
Chromium (Cr), % 26 to 29
24 to 26
Cobalt (Co), % 0.5 to 2.0
0
Copper (Cu), % 0 to 1.0
1.0 to 2.0
Iron (Fe), % 50.9 to 63.7
36.3 to 46.1
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 4.0 to 5.0
4.7 to 5.7
Nickel (Ni), % 5.5 to 9.5
24 to 27
Nitrogen (N), % 0.3 to 0.5
0.17 to 0.25
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.7
Sulfur (S), % 0 to 0.010
0 to 0.010