MakeItFrom.com
Menu (ESC)

S31730 Stainless Steel vs. EN 1.4874 Stainless Steel

Both S31730 stainless steel and EN 1.4874 stainless steel are iron alloys. They have 69% of their average alloy composition in common. There are 28 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 S31730 stainless steel and the bottom bar is EN 1.4874 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
140
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 40
6.7
Fatigue Strength, MPa 170
180
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 540
480
Tensile Strength: Yield (Proof), MPa 200
360

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 420
560
Maximum Temperature: Mechanical, °C 990
1150
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 470
450
Thermal Expansion, µm/m-K 16
15

Otherwise Unclassified Properties

Base Metal Price, % relative 24
70
Density, g/cm3 8.0
8.4
Embodied Carbon, kg CO2/kg material 4.6
7.6
Embodied Energy, MJ/kg 63
110
Embodied Water, L/kg 180
290

Common Calculations

PREN (Pitting Resistance) 30
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
29
Resilience: Unit (Modulus of Resilience), kJ/m3 99
310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
16
Strength to Weight: Bending, points 18
16
Thermal Shock Resistance, points 12
11

Alloy Composition

Carbon (C), % 0 to 0.030
0.35 to 0.65
Chromium (Cr), % 17 to 19
19 to 22
Cobalt (Co), % 0
18.5 to 22
Copper (Cu), % 4.0 to 5.0
0
Iron (Fe), % 52.4 to 61
23 to 38.9
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 3.0 to 4.0
2.5 to 3.0
Nickel (Ni), % 15 to 16.5
18 to 22
Niobium (Nb), % 0
0.75 to 1.3
Nitrogen (N), % 0 to 0.045
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Tungsten (W), % 0
2.0 to 3.0