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EN 1.1170 Steel vs. S44700 Stainless Steel

Both EN 1.1170 steel and S44700 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.1170 steel and the bottom bar is S44700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 210
200
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 16 to 17
23
Fatigue Strength, MPa 220 to 330
300
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
82
Shear Strength, MPa 390 to 450
380
Tensile Strength: Ultimate (UTS), MPa 640 to 730
600
Tensile Strength: Yield (Proof), MPa 330 to 500
450

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
18
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
3.6
Embodied Energy, MJ/kg 19
49
Embodied Water, L/kg 49
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 91 to 100
120
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 670
480
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23 to 26
21
Strength to Weight: Bending, points 21 to 23
20
Thermal Shock Resistance, points 20 to 23
19

Alloy Composition

Carbon (C), % 0.25 to 0.32
0 to 0.010
Chromium (Cr), % 0 to 0.4
28 to 30
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 96.7 to 98.5
64.9 to 68.5
Manganese (Mn), % 1.3 to 1.7
0 to 0.3
Molybdenum (Mo), % 0 to 0.1
3.5 to 4.2
Nickel (Ni), % 0 to 0.4
0 to 0.15
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.2
Sulfur (S), % 0 to 0.035
0 to 0.020