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EN 1.4303 Stainless Steel vs. Grade 36 Titanium

EN 1.4303 stainless steel belongs to the iron alloys classification, while grade 36 titanium belongs to the titanium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (9, 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 grade 36 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 13 to 49
11
Fatigue Strength, MPa 220 to 320
300
Poisson's Ratio 0.28
0.36
Shear Modulus, GPa 77
39
Shear Strength, MPa 420 to 540
320
Tensile Strength: Ultimate (UTS), MPa 590 to 900
530
Tensile Strength: Yield (Proof), MPa 230 to 560
520

Thermal Properties

Latent Heat of Fusion, J/g 290
370
Maximum Temperature: Mechanical, °C 940
320
Melting Completion (Liquidus), °C 1420
2020
Melting Onset (Solidus), °C 1380
1950
Specific Heat Capacity, J/kg-K 480
420
Thermal Expansion, µm/m-K 16
8.1

Otherwise Unclassified Properties

Density, g/cm3 7.8
6.3
Embodied Carbon, kg CO2/kg material 3.2
58
Embodied Energy, MJ/kg 46
920
Embodied Water, L/kg 150
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 230
59
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 800
1260
Stiffness to Weight: Axial, points 14
9.3
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 32
23
Strength to Weight: Bending, points 20 to 26
23
Thermal Shock Resistance, points 13 to 20
45

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.030
Chromium (Cr), % 17 to 19
0
Hydrogen (H), % 0
0 to 0.0035
Iron (Fe), % 64.8 to 72
0 to 0.030
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 11 to 13
0
Niobium (Nb), % 0
42 to 47
Nitrogen (N), % 0 to 0.1
0 to 0.030
Oxygen (O), % 0
0 to 0.16
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
52.3 to 58
Residuals, % 0
0 to 0.4