MakeItFrom.com
Menu (ESC)

S31730 Stainless Steel vs. EN 1.7767 Steel

Both S31730 stainless steel and EN 1.7767 steel are iron alloys. They have 62% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S31730 stainless steel and the bottom bar is EN 1.7767 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
20
Fatigue Strength, MPa 170
320 to 340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Shear Strength, MPa 370
420 to 430
Tensile Strength: Ultimate (UTS), MPa 540
670 to 690
Tensile Strength: Yield (Proof), MPa 200
460 to 500

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 990
480
Melting Completion (Liquidus), °C 1430
1470
Melting Onset (Solidus), °C 1390
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 24
4.5
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 4.6
2.4
Embodied Energy, MJ/kg 63
33
Embodied Water, L/kg 180
64

Common Calculations

PREN (Pitting Resistance) 30
6.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 99
570 to 650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
24
Strength to Weight: Bending, points 18
22
Thermal Shock Resistance, points 12
19 to 20

Alloy Composition

Carbon (C), % 0 to 0.030
0.1 to 0.15
Chromium (Cr), % 17 to 19
2.8 to 3.3
Copper (Cu), % 4.0 to 5.0
0 to 0.25
Iron (Fe), % 52.4 to 61
93.8 to 95.8
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 3.0 to 4.0
0.9 to 1.1
Nickel (Ni), % 15 to 16.5
0 to 0.25
Niobium (Nb), % 0
0 to 0.070
Nitrogen (N), % 0 to 0.045
0 to 0.012
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.15
Sulfur (S), % 0 to 0.010
0 to 0.0050
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0.2 to 0.3