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EN 1.4311 Stainless Steel vs. EN 1.7336 Steel

Both EN 1.4311 stainless steel and EN 1.7336 steel are iron alloys. They have 72% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4311 stainless steel and the bottom bar is EN 1.7336 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 43
22
Fatigue Strength, MPa 270
240 to 310
Impact Strength: V-Notched Charpy, J 93
39 to 46
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 450
370
Tensile Strength: Ultimate (UTS), MPa 650
590
Tensile Strength: Yield (Proof), MPa 310
340 to 440

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 950
430
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
40
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 16
3.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.1
1.6
Embodied Energy, MJ/kg 43
21
Embodied Water, L/kg 140
53

Common Calculations

PREN (Pitting Resistance) 21
3.2
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 240
310 to 510
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23
21
Strength to Weight: Bending, points 21
20
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 15
17

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.17
Chromium (Cr), % 17.5 to 19.5
1.0 to 1.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 65.7 to 73.9
95.6 to 97.7
Manganese (Mn), % 0 to 2.0
0.4 to 0.65
Molybdenum (Mo), % 0
0.45 to 0.65
Nickel (Ni), % 8.5 to 11.5
0 to 0.3
Nitrogen (N), % 0.12 to 0.22
0 to 0.012
Phosphorus (P), % 0 to 0.045
0 to 0.015
Silicon (Si), % 0 to 1.0
0.5 to 0.8
Sulfur (S), % 0 to 0.015
0 to 0.0050