MakeItFrom.com
Menu (ESC)

EN 1.4630 Stainless Steel vs. S40975 Stainless Steel

Both EN 1.4630 stainless steel and S40975 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 95% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4630 stainless steel and the bottom bar is S40975 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
22
Fatigue Strength, MPa 170
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
75
Shear Strength, MPa 300
290
Tensile Strength: Ultimate (UTS), MPa 480
460
Tensile Strength: Yield (Proof), MPa 250
310

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 520
450
Maximum Temperature: Mechanical, °C 800
710
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 28
26
Thermal Expansion, µm/m-K 10
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
6.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.5
2.0
Embodied Energy, MJ/kg 36
28
Embodied Water, L/kg 120
95

Common Calculations

PREN (Pitting Resistance) 15
11
Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
93
Resilience: Unit (Modulus of Resilience), kJ/m3 160
250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
17
Strength to Weight: Bending, points 18
17
Thermal Diffusivity, mm2/s 7.5
7.0
Thermal Shock Resistance, points 17
17

Alloy Composition

Aluminum (Al), % 0 to 1.5
0
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 13 to 16
10.5 to 11.7
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 77.1 to 86.7
84.4 to 89
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.5
0.5 to 1.0
Niobium (Nb), % 0 to 0.5
0
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.050
0 to 0.040
Silicon (Si), % 0.2 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.030
Titanium (Ti), % 0.15 to 0.8
0 to 0.75