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EN 1.4595 Stainless Steel vs. EN 1.4912 Stainless Steel

Both EN 1.4595 stainless steel and EN 1.4912 stainless steel are iron alloys. They have 86% 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 1.4595 stainless steel and the bottom bar is EN 1.4912 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 29
40
Fatigue Strength, MPa 180
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 310
420
Tensile Strength: Ultimate (UTS), MPa 470
610
Tensile Strength: Yield (Proof), MPa 250
230

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 460
520
Maximum Temperature: Mechanical, °C 810
940
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
16
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 10
20
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.4
3.8
Embodied Energy, MJ/kg 34
55
Embodied Water, L/kg 110
140

Common Calculations

PREN (Pitting Resistance) 15
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
190
Resilience: Unit (Modulus of Resilience), kJ/m3 150
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
22
Strength to Weight: Bending, points 17
20
Thermal Diffusivity, mm2/s 8.1
4.2
Thermal Shock Resistance, points 17
14

Alloy Composition

Carbon (C), % 0 to 0.020
0.040 to 0.1
Chromium (Cr), % 14 to 16
17 to 19
Iron (Fe), % 81.3 to 85.8
64.6 to 73.6
Manganese (Mn), % 0 to 1.0
0 to 2.0
Nickel (Ni), % 0
9.0 to 12
Niobium (Nb), % 0.2 to 0.6
0.4 to 1.2
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015