MakeItFrom.com
Menu (ESC)

EN 1.6771 Steel vs. S42030 Stainless Steel

Both EN 1.6771 steel and S42030 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.6771 steel and the bottom bar is S42030 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 8.0 to 8.7
16
Fatigue Strength, MPa 440 to 680
250
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 930 to 1180
670
Tensile Strength: Yield (Proof), MPa 740 to 1140
410

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 440
780
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 46
28
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
10
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.9
2.5
Embodied Energy, MJ/kg 25
34
Embodied Water, L/kg 58
110

Common Calculations

PREN (Pitting Resistance) 2.5
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 75 to 93
92
Resilience: Unit (Modulus of Resilience), kJ/m3 1460 to 3450
440
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 33 to 41
24
Strength to Weight: Bending, points 27 to 31
22
Thermal Diffusivity, mm2/s 13
7.7
Thermal Shock Resistance, points 27 to 35
24

Alloy Composition

Carbon (C), % 0.27 to 0.33
0 to 0.3
Chromium (Cr), % 0.8 to 1.2
12 to 14
Copper (Cu), % 0
2.0 to 3.0
Iron (Fe), % 92.2 to 95
77.6 to 85
Manganese (Mn), % 0.6 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.3 to 0.6
1.0 to 3.0
Nickel (Ni), % 3.0 to 4.0
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030