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EN 1.4062 Stainless Steel vs. EN 1.4458 Stainless Steel

Both EN 1.4062 stainless steel and EN 1.4458 stainless steel are iron alloys. They have 71% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4062 stainless steel and the bottom bar is EN 1.4458 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23 to 34
34
Fatigue Strength, MPa 410 to 420
150
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
78
Tensile Strength: Ultimate (UTS), MPa 770 to 800
510
Tensile Strength: Yield (Proof), MPa 530 to 600
190

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 440
430
Maximum Temperature: Mechanical, °C 1030
1100
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1380
1370
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 12
30
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.6
5.4
Embodied Energy, MJ/kg 37
75
Embodied Water, L/kg 150
200

Common Calculations

PREN (Pitting Resistance) 27
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170 to 230
140
Resilience: Unit (Modulus of Resilience), kJ/m3 690 to 910
89
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 29
17
Strength to Weight: Bending, points 24 to 25
18
Thermal Diffusivity, mm2/s 4.0
4.2
Thermal Shock Resistance, points 21 to 22
12

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 21.5 to 24
19 to 22
Copper (Cu), % 0
0 to 2.0
Iron (Fe), % 69.3 to 77.3
40.2 to 53
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.45
2.0 to 2.5
Nickel (Ni), % 1.0 to 2.9
26 to 30
Nitrogen (N), % 0.16 to 0.28
0 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.025