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EN 1.7767 Steel vs. S44700 Stainless Steel

Both EN 1.7767 steel and S44700 stainless steel are iron alloys. They have 71% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.7767 steel and the bottom bar is S44700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
200
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 20
23
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
380
Tensile Strength: Ultimate (UTS), MPa 670 to 690
600
Tensile Strength: Yield (Proof), MPa 460 to 500
450

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 480
1100
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 4.5
18
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.4
3.6
Embodied Energy, MJ/kg 33
49
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
480
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
21
Strength to Weight: Bending, points 22
20
Thermal Shock Resistance, points 19 to 20
19

Alloy Composition

Carbon (C), % 0.1 to 0.15
0 to 0.010
Chromium (Cr), % 2.8 to 3.3
28 to 30
Copper (Cu), % 0 to 0.25
0 to 0.15
Iron (Fe), % 93.8 to 95.8
64.9 to 68.5
Manganese (Mn), % 0.3 to 0.6
0 to 0.3
Molybdenum (Mo), % 0.9 to 1.1
3.5 to 4.2
Nickel (Ni), % 0 to 0.25
0 to 0.15
Niobium (Nb), % 0 to 0.070
0
Nitrogen (N), % 0 to 0.012
0 to 0.020
Phosphorus (P), % 0 to 0.015
0 to 0.025
Silicon (Si), % 0 to 0.15
0 to 0.2
Sulfur (S), % 0 to 0.0050
0 to 0.020
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0.2 to 0.3
0