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EN 1.4303 Stainless Steel vs. SAE-AISI 1552 Steel

Both EN 1.4303 stainless steel and SAE-AISI 1552 steel are iron alloys. They have 69% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4303 stainless steel and the bottom bar is SAE-AISI 1552 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
220 to 250
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 13 to 49
11 to 14
Fatigue Strength, MPa 220 to 320
290 to 400
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Shear Strength, MPa 420 to 540
460 to 510
Tensile Strength: Ultimate (UTS), MPa 590 to 900
760 to 840
Tensile Strength: Yield (Proof), MPa 230 to 560
460 to 650

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
400
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
11
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
12

Otherwise Unclassified Properties

Base Metal Price, % relative 17
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.2
1.4
Embodied Energy, MJ/kg 46
19
Embodied Water, L/kg 150
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 230
81 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 800
560 to 1130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 32
27 to 30
Strength to Weight: Bending, points 20 to 26
24 to 25
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 13 to 20
26 to 29

Alloy Composition

Carbon (C), % 0 to 0.060
0.47 to 0.55
Chromium (Cr), % 17 to 19
0
Iron (Fe), % 64.8 to 72
97.9 to 98.3
Manganese (Mn), % 0 to 2.0
1.2 to 1.5
Nickel (Ni), % 11 to 13
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0 to 0.050

Comparable Variants