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EN 1.7767 Steel vs. EN 1.4658 Stainless Steel

Both EN 1.7767 steel and EN 1.4658 stainless steel are iron alloys. They have 62% 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 1.7767 steel and the bottom bar is EN 1.4658 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
260
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 20
28
Fatigue Strength, MPa 320 to 340
530
Impact Strength: V-Notched Charpy, J 46
110
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
81
Shear Strength, MPa 420 to 430
580
Tensile Strength: Ultimate (UTS), MPa 670 to 690
900
Tensile Strength: Yield (Proof), MPa 460 to 500
730

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 480
1100
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
16
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 4.5
25
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.4
4.5
Embodied Energy, MJ/kg 33
61
Embodied Water, L/kg 64
200

Common Calculations

PREN (Pitting Resistance) 6.4
49
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
240
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 650
1280
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
32
Strength to Weight: Bending, points 22
26
Thermal Diffusivity, mm2/s 11
4.3
Thermal Shock Resistance, points 19 to 20
24

Alloy Composition

Carbon (C), % 0.1 to 0.15
0 to 0.030
Chromium (Cr), % 2.8 to 3.3
26 to 29
Cobalt (Co), % 0
0.5 to 2.0
Copper (Cu), % 0 to 0.25
0 to 1.0
Iron (Fe), % 93.8 to 95.8
50.9 to 63.7
Manganese (Mn), % 0.3 to 0.6
0 to 1.5
Molybdenum (Mo), % 0.9 to 1.1
4.0 to 5.0
Nickel (Ni), % 0 to 0.25
5.5 to 9.5
Niobium (Nb), % 0 to 0.070
0
Nitrogen (N), % 0 to 0.012
0.3 to 0.5
Phosphorus (P), % 0 to 0.015
0 to 0.035
Silicon (Si), % 0 to 0.15
0 to 0.5
Sulfur (S), % 0 to 0.0050
0 to 0.010
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0.2 to 0.3
0