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EN 1.4301 Stainless Steel vs. EN 1.4945 Stainless Steel

Both EN 1.4301 stainless steel and EN 1.4945 stainless steel are iron alloys. They have 89% of their average alloy composition in common. 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 1.4301 stainless steel and the bottom bar is EN 1.4945 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
200 to 220
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 46
19 to 34
Fatigue Strength, MPa 200 to 330
230 to 350
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 430 to 550
430 to 460
Tensile Strength: Ultimate (UTS), MPa 610 to 900
640 to 740
Tensile Strength: Yield (Proof), MPa 220 to 570
290 to 550

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 420
520
Maximum Temperature: Mechanical, °C 940
920
Melting Completion (Liquidus), °C 1430
1490
Melting Onset (Solidus), °C 1380
1440
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 15
30
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 3.0
5.0
Embodied Energy, MJ/kg 43
73
Embodied Water, L/kg 140
150

Common Calculations

PREN (Pitting Resistance) 19
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 220
130 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 820
210 to 760
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22 to 32
22 to 25
Strength to Weight: Bending, points 20 to 27
20 to 22
Thermal Diffusivity, mm2/s 4.0
3.7
Thermal Shock Resistance, points 14 to 20
14 to 16

Alloy Composition

Carbon (C), % 0 to 0.070
0.040 to 0.1
Chromium (Cr), % 17.5 to 19.5
15.5 to 17.5
Iron (Fe), % 66.8 to 74.5
57.9 to 65.7
Manganese (Mn), % 0 to 2.0
0 to 1.5
Nickel (Ni), % 8.0 to 10.5
15.5 to 17.5
Niobium (Nb), % 0
0.4 to 1.2
Nitrogen (N), % 0 to 0.1
0.060 to 0.14
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
0.3 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.015
Tungsten (W), % 0
2.5 to 3.5

Comparable Variants