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EN 1.4945 Stainless Steel vs. SAE-AISI 1330 Steel

Both EN 1.4945 stainless steel and SAE-AISI 1330 steel are iron alloys. They have 63% of their average alloy composition in common. There are 31 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 1.4945 stainless steel and the bottom bar is SAE-AISI 1330 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 220
150 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 19 to 34
11 to 23
Fatigue Strength, MPa 230 to 350
210 to 380
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 430 to 460
330 to 430
Tensile Strength: Ultimate (UTS), MPa 640 to 740
520 to 710
Tensile Strength: Yield (Proof), MPa 290 to 550
290 to 610

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 920
400
Melting Completion (Liquidus), °C 1490
1460
Melting Onset (Solidus), °C 1440
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 14
51
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 30
1.9
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 5.0
1.4
Embodied Energy, MJ/kg 73
19
Embodied Water, L/kg 150
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 180
76 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 760
230 to 990
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 25
19 to 25
Strength to Weight: Bending, points 20 to 22
18 to 23
Thermal Diffusivity, mm2/s 3.7
14
Thermal Shock Resistance, points 14 to 16
17 to 23

Alloy Composition

Carbon (C), % 0.040 to 0.1
0.28 to 0.33
Chromium (Cr), % 15.5 to 17.5
0
Iron (Fe), % 57.9 to 65.7
97.3 to 98
Manganese (Mn), % 0 to 1.5
1.6 to 1.9
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 0.035
Silicon (Si), % 0.3 to 0.6
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.040
Tungsten (W), % 2.5 to 3.5
0