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EN 1.4749 Stainless Steel vs. EN 1.7335 Steel

Both EN 1.4749 stainless steel and EN 1.7335 steel are iron alloys. They have 73% of their average alloy composition in common. There are 32 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 1.4749 stainless steel and the bottom bar is EN 1.7335 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
150 to 160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 16
21 to 22
Fatigue Strength, MPa 190
200 to 220
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 370
310 to 330
Tensile Strength: Ultimate (UTS), MPa 600
500 to 520
Tensile Strength: Yield (Proof), MPa 320
280 to 310

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
430
Melting Completion (Liquidus), °C 1420
1470
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 17
44
Thermal Expansion, µm/m-K 9.6
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 13
2.8
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 2.5
1.6
Embodied Energy, MJ/kg 36
21
Embodied Water, L/kg 160
52

Common Calculations

PREN (Pitting Resistance) 31
2.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
91 to 97
Resilience: Unit (Modulus of Resilience), kJ/m3 250
210 to 260
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 22
18
Strength to Weight: Bending, points 21
18
Thermal Diffusivity, mm2/s 4.6
12
Thermal Shock Resistance, points 22
15

Alloy Composition

Carbon (C), % 0.15 to 0.2
0.080 to 0.18
Chromium (Cr), % 26 to 29
0.7 to 1.2
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 68.5 to 73.7
96.4 to 98.4
Manganese (Mn), % 0 to 1.0
0.4 to 1.0
Molybdenum (Mo), % 0
0.4 to 0.6
Nitrogen (N), % 0.15 to 0.25
0 to 0.012
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.010