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EN 1.4961 Stainless Steel vs. EN 1.7710 Steel

Both EN 1.4961 stainless steel and EN 1.7710 steel are iron alloys. They have 72% 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 1.4961 stainless steel and the bottom bar is EN 1.7710 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
280 to 320
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
6.8 to 11
Fatigue Strength, MPa 190
500 to 620
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 610
930 to 1070
Tensile Strength: Yield (Proof), MPa 220
800 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 890
440
Melting Completion (Liquidus), °C 1430
1470
Melting Onset (Solidus), °C 1390
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
41
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 21
3.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.0
2.2
Embodied Energy, MJ/kg 57
30
Embodied Water, L/kg 140
57

Common Calculations

PREN (Pitting Resistance) 16
4.5
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
73 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 120
1680 to 2970
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
33 to 38
Strength to Weight: Bending, points 20
27 to 30
Thermal Diffusivity, mm2/s 4.3
11
Thermal Shock Resistance, points 14
27 to 31

Alloy Composition

Carbon (C), % 0.040 to 0.1
0.12 to 0.18
Chromium (Cr), % 15 to 17
1.3 to 1.8
Iron (Fe), % 65.6 to 72.3
95.1 to 97
Manganese (Mn), % 0 to 1.5
0.6 to 1.0
Molybdenum (Mo), % 0
0.8 to 1.0
Nickel (Ni), % 12 to 14
0
Niobium (Nb), % 0.4 to 1.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0.3 to 0.6
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0
0.15 to 0.25