MakeItFrom.com
Menu (ESC)

S30815 Stainless Steel vs. EN 1.7779 Steel

Both S30815 stainless steel and EN 1.7779 steel are iron alloys. They have 70% of their average alloy composition in common. There are 32 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 S30815 stainless steel and the bottom bar is EN 1.7779 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
240
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
16
Fatigue Strength, MPa 320
430
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 480
500
Tensile Strength: Ultimate (UTS), MPa 680
810
Tensile Strength: Yield (Proof), MPa 350
660

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Maximum Temperature: Mechanical, °C 1020
470
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 17
4.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.3
2.8
Embodied Energy, MJ/kg 47
41
Embodied Water, L/kg 160
64

Common Calculations

PREN (Pitting Resistance) 24
5.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
120
Resilience: Unit (Modulus of Resilience), kJ/m3 310
1150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
29
Strength to Weight: Bending, points 22
25
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 15
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0.050 to 0.1
0.17 to 0.23
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 20 to 22
3.0 to 3.3
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 62.8 to 68.4
93.8 to 95.4
Manganese (Mn), % 0 to 0.8
0.3 to 0.5
Molybdenum (Mo), % 0
0.5 to 0.6
Nickel (Ni), % 10 to 12
0 to 0.3
Nitrogen (N), % 0.14 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 1.4 to 2.0
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.010
Vanadium (V), % 0
0.45 to 0.55