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EN 1.7767 Steel vs. S44735 Stainless Steel

Both EN 1.7767 steel and S44735 stainless steel are iron alloys. They have 69% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.7767 steel and the bottom bar is S44735 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
220
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 20
21
Fatigue Strength, MPa 320 to 340
300
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
82
Shear Strength, MPa 420 to 430
390
Tensile Strength: Ultimate (UTS), MPa 670 to 690
630
Tensile Strength: Yield (Proof), MPa 460 to 500
460

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 480
1100
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 4.5
21
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 2.4
4.4
Embodied Energy, MJ/kg 33
61
Embodied Water, L/kg 64
180

Common Calculations

PREN (Pitting Resistance) 6.4
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
120
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 650
520
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 24
23
Strength to Weight: Bending, points 22
21
Thermal Shock Resistance, points 19 to 20
20

Alloy Composition

Carbon (C), % 0.1 to 0.15
0 to 0.030
Chromium (Cr), % 2.8 to 3.3
28 to 30
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 93.8 to 95.8
60.7 to 68.4
Manganese (Mn), % 0.3 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.1
3.6 to 4.2
Nickel (Ni), % 0 to 0.25
0 to 1.0
Niobium (Nb), % 0 to 0.070
0.2 to 1.0
Nitrogen (N), % 0 to 0.012
0 to 0.045
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0 to 0.15
0 to 1.0
Sulfur (S), % 0 to 0.0050
0 to 0.030
Titanium (Ti), % 0 to 0.030
0.2 to 1.0
Vanadium (V), % 0.2 to 0.3
0