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EN 1.3975 Stainless Steel vs. SAE-AISI A6 Steel

Both EN 1.3975 stainless steel and SAE-AISI A6 steel are iron alloys. They have 66% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is EN 1.3975 stainless steel and the bottom bar is SAE-AISI A6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 660
750 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 340
250
Melting Completion (Liquidus), °C 1360
1460
Melting Onset (Solidus), °C 1320
1410
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 15
3.7
Density, g/cm3 7.5
7.8
Embodied Carbon, kg CO2/kg material 3.3
1.8
Embodied Energy, MJ/kg 47
24
Embodied Water, L/kg 150
57

Common Calculations

PREN (Pitting Resistance) 21
4.8
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 24
27 to 71
Strength to Weight: Bending, points 22
23 to 45
Thermal Shock Resistance, points 15
25 to 65

Alloy Composition

Carbon (C), % 0 to 0.050
0.65 to 0.75
Chromium (Cr), % 16 to 18
0.9 to 1.2
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 58.2 to 65.4
93 to 95.8
Manganese (Mn), % 7.0 to 9.0
1.8 to 2.5
Molybdenum (Mo), % 0 to 1.0
0.9 to 1.4
Nickel (Ni), % 8.0 to 9.0
0 to 0.3
Nitrogen (N), % 0.080 to 0.18
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 3.5 to 4.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030