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EN 1.4736 Stainless Steel vs. EN 1.7767 Steel

Both EN 1.4736 stainless steel and EN 1.7767 steel are iron alloys. They have 83% 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 1.4736 stainless steel and the bottom bar is EN 1.7767 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 28
20
Fatigue Strength, MPa 230
320 to 340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
74
Shear Strength, MPa 370
420 to 430
Tensile Strength: Ultimate (UTS), MPa 580
670 to 690
Tensile Strength: Yield (Proof), MPa 310
460 to 500

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1000
480
Melting Completion (Liquidus), °C 1420
1470
Melting Onset (Solidus), °C 1380
1430
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 21
40
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
4.5
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 2.4
2.4
Embodied Energy, MJ/kg 35
33
Embodied Water, L/kg 140
64

Common Calculations

PREN (Pitting Resistance) 18
6.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 250
570 to 650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
24
Strength to Weight: Bending, points 20
22
Thermal Diffusivity, mm2/s 5.6
11
Thermal Shock Resistance, points 21
19 to 20

Alloy Composition

Aluminum (Al), % 1.7 to 2.1
0
Carbon (C), % 0 to 0.040
0.1 to 0.15
Chromium (Cr), % 17 to 18
2.8 to 3.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 77 to 81.1
93.8 to 95.8
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0
0 to 0.25
Niobium (Nb), % 0
0 to 0.070
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.15
Sulfur (S), % 0 to 0.015
0 to 0.0050
Titanium (Ti), % 0.2 to 0.8
0 to 0.030
Vanadium (V), % 0
0.2 to 0.3