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SAE-AISI 1137 Steel vs. EN 1.3975 Stainless Steel

Both SAE-AISI 1137 steel and EN 1.3975 stainless steel are iron alloys. They have 63% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1137 steel and the bottom bar is EN 1.3975 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 17
27
Fatigue Strength, MPa 250 to 400
230
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 700 to 760
660
Tensile Strength: Yield (Proof), MPa 370 to 650
320

Thermal Properties

Latent Heat of Fusion, J/g 250
340
Maximum Temperature: Mechanical, °C 400
910
Melting Completion (Liquidus), °C 1460
1360
Melting Onset (Solidus), °C 1420
1320
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
15
Density, g/cm3 7.8
7.5
Embodied Carbon, kg CO2/kg material 1.4
3.3
Embodied Energy, MJ/kg 19
47
Embodied Water, L/kg 48
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 100
150
Resilience: Unit (Modulus of Resilience), kJ/m3 360 to 1130
270
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 25 to 27
24
Strength to Weight: Bending, points 22 to 24
22
Thermal Shock Resistance, points 21 to 23
15

Alloy Composition

Carbon (C), % 0.32 to 0.39
0 to 0.050
Chromium (Cr), % 0
16 to 18
Iron (Fe), % 97.8 to 98.3
58.2 to 65.4
Manganese (Mn), % 1.4 to 1.7
7.0 to 9.0
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0
8.0 to 9.0
Nitrogen (N), % 0
0.080 to 0.18
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0
3.5 to 4.5
Sulfur (S), % 0.080 to 0.13
0 to 0.030