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EN 1.4945 Stainless Steel vs. EN 1.4002 Stainless Steel

Both EN 1.4945 stainless steel and EN 1.4002 stainless steel are iron alloys. They have 76% of their average alloy composition in common. There are 32 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 1.4945 stainless steel and the bottom bar is EN 1.4002 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 19 to 34
19
Fatigue Strength, MPa 230 to 350
160
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 430 to 460
310
Tensile Strength: Ultimate (UTS), MPa 640 to 740
500
Tensile Strength: Yield (Proof), MPa 290 to 550
260

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 520
390
Maximum Temperature: Mechanical, °C 920
760
Melting Completion (Liquidus), °C 1490
1440
Melting Onset (Solidus), °C 1440
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 14
30
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 30
7.0
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 5.0
1.9
Embodied Energy, MJ/kg 73
27
Embodied Water, L/kg 150
100

Common Calculations

PREN (Pitting Resistance) 23
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 180
80
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 760
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22 to 25
18
Strength to Weight: Bending, points 20 to 22
18
Thermal Diffusivity, mm2/s 3.7
8.1
Thermal Shock Resistance, points 14 to 16
18

Alloy Composition

Aluminum (Al), % 0
0.1 to 0.3
Carbon (C), % 0.040 to 0.1
0 to 0.080
Chromium (Cr), % 15.5 to 17.5
12 to 14
Iron (Fe), % 57.9 to 65.7
83.6 to 87.9
Manganese (Mn), % 0 to 1.5
0 to 1.0
Nickel (Ni), % 15.5 to 17.5
0
Niobium (Nb), % 0.4 to 1.2
0
Nitrogen (N), % 0.060 to 0.14
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0.3 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Tungsten (W), % 2.5 to 3.5
0