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EN 1.4062 Stainless Steel vs. EN 1.6957 Steel

Both EN 1.4062 stainless steel and EN 1.6957 steel are iron alloys. They have 77% of their average alloy composition in common. There are 31 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 1.4062 stainless steel and the bottom bar is EN 1.6957 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23 to 34
18
Fatigue Strength, MPa 410 to 420
530
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
73
Shear Strength, MPa 510
570
Tensile Strength: Ultimate (UTS), MPa 770 to 800
930
Tensile Strength: Yield (Proof), MPa 530 to 600
780

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1030
450
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
47
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 12
5.0
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.6
2.1
Embodied Energy, MJ/kg 37
29
Embodied Water, L/kg 150
60

Common Calculations

PREN (Pitting Resistance) 27
2.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170 to 230
160
Resilience: Unit (Modulus of Resilience), kJ/m3 690 to 910
1630
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 29
33
Strength to Weight: Bending, points 24 to 25
27
Thermal Diffusivity, mm2/s 4.0
13
Thermal Shock Resistance, points 21 to 22
27

Alloy Composition

Carbon (C), % 0 to 0.030
0.22 to 0.32
Chromium (Cr), % 21.5 to 24
1.2 to 1.8
Iron (Fe), % 69.3 to 77.3
92.7 to 94.7
Manganese (Mn), % 0 to 2.0
0.15 to 0.4
Molybdenum (Mo), % 0 to 0.45
0.25 to 0.45
Nickel (Ni), % 1.0 to 2.9
3.4 to 4.0
Nitrogen (N), % 0.16 to 0.28
0
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 1.0
0 to 0.15
Sulfur (S), % 0 to 0.010
0 to 0.0070
Vanadium (V), % 0
0.050 to 0.15