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EN 1.4658 Stainless Steel vs. EN 1.7767 Steel

Both EN 1.4658 stainless steel and EN 1.7767 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 1.4658 stainless steel and the bottom bar is EN 1.7767 steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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