MakeItFrom.com
Menu (ESC)

EN 1.6957 Steel vs. S44800 Stainless Steel

Both EN 1.6957 steel and S44800 stainless steel are iron alloys. They have 69% of their average alloy composition in common. There are 33 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 1.6957 steel and the bottom bar is S44800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280
190
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 18
23
Fatigue Strength, MPa 530
300
Poisson's Ratio 0.29
0.27
Reduction in Area, % 46
45
Shear Modulus, GPa 73
82
Shear Strength, MPa 570
370
Tensile Strength: Ultimate (UTS), MPa 930
590
Tensile Strength: Yield (Proof), MPa 780
450

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 450
1100
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 47
17
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.9
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 9.1
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
19
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.1
3.8
Embodied Energy, MJ/kg 29
52
Embodied Water, L/kg 60
190

Common Calculations

PREN (Pitting Resistance) 2.7
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1630
480
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 33
21
Strength to Weight: Bending, points 27
20
Thermal Diffusivity, mm2/s 13
4.6
Thermal Shock Resistance, points 27
19

Alloy Composition

Carbon (C), % 0.22 to 0.32
0 to 0.010
Chromium (Cr), % 1.2 to 1.8
28 to 30
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 92.7 to 94.7
62.6 to 66.5
Manganese (Mn), % 0.15 to 0.4
0 to 0.3
Molybdenum (Mo), % 0.25 to 0.45
3.5 to 4.2
Nickel (Ni), % 3.4 to 4.0
2.0 to 2.5
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.010
0 to 0.025
Silicon (Si), % 0 to 0.15
0 to 0.2
Sulfur (S), % 0 to 0.0070
0 to 0.020
Vanadium (V), % 0.050 to 0.15
0