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EN 1.4874 Stainless Steel vs. EN 1.7767 Steel

Both EN 1.4874 stainless steel and EN 1.7767 steel are iron alloys. They have a modest 36% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4874 stainless steel and the bottom bar is EN 1.7767 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 6.7
20
Fatigue Strength, MPa 180
320 to 340
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 80
74
Tensile Strength: Ultimate (UTS), MPa 480
670 to 690
Tensile Strength: Yield (Proof), MPa 360
460 to 500

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1150
480
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 13
40
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
4.5
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 7.6
2.4
Embodied Energy, MJ/kg 110
33
Embodied Water, L/kg 290
64

Common Calculations

PREN (Pitting Resistance) 34
6.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 310
570 to 650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16
24
Strength to Weight: Bending, points 16
22
Thermal Diffusivity, mm2/s 3.3
11
Thermal Shock Resistance, points 11
19 to 20

Alloy Composition

Carbon (C), % 0.35 to 0.65
0.1 to 0.15
Chromium (Cr), % 19 to 22
2.8 to 3.3
Cobalt (Co), % 18.5 to 22
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 23 to 38.9
93.8 to 95.8
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 2.5 to 3.0
0.9 to 1.1
Nickel (Ni), % 18 to 22
0 to 0.25
Niobium (Nb), % 0.75 to 1.3
0 to 0.070
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.15
Sulfur (S), % 0 to 0.030
0 to 0.0050
Titanium (Ti), % 0
0 to 0.030
Tungsten (W), % 2.0 to 3.0
0
Vanadium (V), % 0
0.2 to 0.3