MakeItFrom.com
Menu (ESC)

EN 1.4512 Stainless Steel vs. EN 1.4031 Stainless Steel

Both EN 1.4512 stainless steel and EN 1.4031 stainless steel are iron alloys. They have a very high 98% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4512 stainless steel and the bottom bar is EN 1.4031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 28
11 to 13
Fatigue Strength, MPa 180
220 to 400
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 310
400 to 540
Tensile Strength: Ultimate (UTS), MPa 470
670 to 900
Tensile Strength: Yield (Proof), MPa 240
390 to 730

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 440
390
Maximum Temperature: Mechanical, °C 720
770
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
30
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
3.7

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
7.0
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.0
1.9
Embodied Energy, MJ/kg 27
27
Embodied Water, L/kg 95
100

Common Calculations

PREN (Pitting Resistance) 12
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
77 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 150
380 to 1360
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
24 to 32
Strength to Weight: Bending, points 17
22 to 27
Thermal Diffusivity, mm2/s 6.7
8.1
Thermal Shock Resistance, points 17
23 to 32

Alloy Composition

Carbon (C), % 0 to 0.030
0.36 to 0.42
Chromium (Cr), % 10.5 to 12.5
12.5 to 14.5
Iron (Fe), % 84.8 to 89.5
83 to 87.1
Manganese (Mn), % 0 to 1.0
0 to 1.0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0 to 0.65
0