MakeItFrom.com
Menu (ESC)

EN 1.7711 Steel vs. S31730 Stainless Steel

Both EN 1.7711 steel and S31730 stainless steel are iron alloys. They have 59% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.7711 steel and the bottom bar is S31730 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 280
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16 to 22
40
Fatigue Strength, MPa 290 to 520
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 440 to 570
370
Tensile Strength: Ultimate (UTS), MPa 690 to 930
540
Tensile Strength: Yield (Proof), MPa 400 to 800
200

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 430
990
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 3.0
24
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.3
4.6
Embodied Energy, MJ/kg 32
63
Embodied Water, L/kg 54
180

Common Calculations

PREN (Pitting Resistance) 2.9
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 140
170
Resilience: Unit (Modulus of Resilience), kJ/m3 430 to 1690
99
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 33
19
Strength to Weight: Bending, points 22 to 27
18
Thermal Shock Resistance, points 24 to 32
12

Alloy Composition

Aluminum (Al), % 0 to 0.015
0
Carbon (C), % 0.36 to 0.44
0 to 0.030
Chromium (Cr), % 0.9 to 1.2
17 to 19
Copper (Cu), % 0
4.0 to 5.0
Iron (Fe), % 96 to 97.5
52.4 to 61
Manganese (Mn), % 0.45 to 0.85
0 to 2.0
Molybdenum (Mo), % 0.5 to 0.65
3.0 to 4.0
Nickel (Ni), % 0
15 to 16.5
Nitrogen (N), % 0
0 to 0.045
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010
Vanadium (V), % 0.25 to 0.35
0