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EN 1.4541 Stainless Steel vs. EN 1.4912 Stainless Steel

Both EN 1.4541 stainless steel and EN 1.4912 stainless steel are iron alloys. Their average alloy composition is basically identical. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4541 stainless steel and the bottom bar is EN 1.4912 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 40
40
Fatigue Strength, MPa 190 to 330
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 410 to 550
420
Tensile Strength: Ultimate (UTS), MPa 600 to 900
610
Tensile Strength: Yield (Proof), MPa 220 to 570
230

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 480
520
Maximum Temperature: Mechanical, °C 940
940
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 16
20
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.2
3.8
Embodied Energy, MJ/kg 46
55
Embodied Water, L/kg 140
140

Common Calculations

PREN (Pitting Resistance) 18
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
190
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 830
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 32
22
Strength to Weight: Bending, points 20 to 27
20
Thermal Diffusivity, mm2/s 4.0
4.2
Thermal Shock Resistance, points 14 to 20
14

Alloy Composition

Carbon (C), % 0 to 0.080
0.040 to 0.1
Chromium (Cr), % 17 to 19
17 to 19
Iron (Fe), % 65.2 to 74
64.6 to 73.6
Manganese (Mn), % 0 to 2.0
0 to 2.0
Nickel (Ni), % 9.0 to 12
9.0 to 12
Niobium (Nb), % 0
0.4 to 1.2
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0 to 0.7
0