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EN 1.4550 Stainless Steel vs. SAE-AISI 1330 Steel

Both EN 1.4550 stainless steel and SAE-AISI 1330 steel are iron alloys. They have 71% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4550 stainless steel and the bottom bar is SAE-AISI 1330 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
150 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 42
11 to 23
Fatigue Strength, MPa 210
210 to 380
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 430
330 to 430
Tensile Strength: Ultimate (UTS), MPa 620
520 to 710
Tensile Strength: Yield (Proof), MPa 230
290 to 610

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
400
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 18
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.6
1.4
Embodied Energy, MJ/kg 51
19
Embodied Water, L/kg 140
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
76 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 140
230 to 990
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
19 to 25
Strength to Weight: Bending, points 21
18 to 23
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 14
17 to 23

Alloy Composition

Carbon (C), % 0 to 0.080
0.28 to 0.33
Chromium (Cr), % 17 to 19
0
Iron (Fe), % 64.9 to 74
97.3 to 98
Manganese (Mn), % 0 to 2.0
1.6 to 1.9
Nickel (Ni), % 9.0 to 12
0
Niobium (Nb), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.040