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EN 1.4962 Stainless Steel vs. EN 1.7779 Steel

Both EN 1.4962 stainless steel and EN 1.7779 steel are iron alloys. They have 70% 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 1.4962 stainless steel and the bottom bar is EN 1.7779 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 210
240
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 22 to 34
16
Fatigue Strength, MPa 210 to 330
430
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 420 to 440
500
Tensile Strength: Ultimate (UTS), MPa 630 to 690
810
Tensile Strength: Yield (Proof), MPa 260 to 490
660

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Mechanical, °C 910
470
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1440
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 14
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 23
4.0
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 4.1
2.8
Embodied Energy, MJ/kg 59
41
Embodied Water, L/kg 150
64

Common Calculations

PREN (Pitting Resistance) 21
5.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 170
120
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 610
1150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 24
29
Strength to Weight: Bending, points 20 to 21
25
Thermal Diffusivity, mm2/s 3.7
11
Thermal Shock Resistance, points 14 to 16
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Boron (B), % 0.0015 to 0.0060
0
Carbon (C), % 0.070 to 0.15
0.17 to 0.23
Chromium (Cr), % 15.5 to 17.5
3.0 to 3.3
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 62.1 to 69
93.8 to 95.4
Manganese (Mn), % 0 to 1.5
0.3 to 0.5
Molybdenum (Mo), % 0
0.5 to 0.6
Nickel (Ni), % 12.5 to 14.5
0 to 0.3
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 0.5
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0.4 to 0.7
0
Tungsten (W), % 2.5 to 3.0
0
Vanadium (V), % 0
0.45 to 0.55