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EN 1.4306 Stainless Steel vs. SAE-AISI 1137 Steel

Both EN 1.4306 stainless steel and SAE-AISI 1137 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 (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4306 stainless steel and the bottom bar is SAE-AISI 1137 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 45
11 to 17
Fatigue Strength, MPa 190 to 330
250 to 400
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 400 to 550
430 to 460
Tensile Strength: Ultimate (UTS), MPa 580 to 900
700 to 760
Tensile Strength: Yield (Proof), MPa 210 to 570
370 to 650

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 960
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
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
10
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
12

Otherwise Unclassified Properties

Base Metal Price, % relative 16
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.2
1.4
Embodied Energy, MJ/kg 45
19
Embodied Water, L/kg 150
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 200
81 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 820
360 to 1130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 32
25 to 27
Strength to Weight: Bending, points 20 to 27
22 to 24
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 13 to 20
21 to 23

Alloy Composition

Carbon (C), % 0 to 0.030
0.32 to 0.39
Chromium (Cr), % 18 to 20
0
Iron (Fe), % 64.8 to 72
97.8 to 98.3
Manganese (Mn), % 0 to 2.0
1.4 to 1.7
Nickel (Ni), % 10 to 12
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
0.080 to 0.13