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SAE-AISI T1 Steel vs. EN 1.3956 Stainless Steel

Both SAE-AISI T1 steel and EN 1.3956 stainless steel are iron alloys. They have 62% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI T1 steel and the bottom bar is EN 1.3956 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
79
Tensile Strength: Ultimate (UTS), MPa 770 to 2130
650

Thermal Properties

Latent Heat of Fusion, J/g 240
300
Melting Completion (Liquidus), °C 1810
1420
Melting Onset (Solidus), °C 1750
1380
Specific Heat Capacity, J/kg-K 410
480
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 45
22
Density, g/cm3 9.3
7.8
Embodied Carbon, kg CO2/kg material 8.2
4.8
Embodied Energy, MJ/kg 130
68
Embodied Water, L/kg 90
180

Common Calculations

PREN (Pitting Resistance) 34
34
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 23 to 64
23
Strength to Weight: Bending, points 20 to 40
21
Thermal Shock Resistance, points 23 to 64
18

Alloy Composition

Carbon (C), % 0.65 to 0.8
0 to 0.060
Chromium (Cr), % 3.8 to 4.5
20.5 to 23.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.2 to 77.2
51.9 to 62.1
Manganese (Mn), % 0.1 to 0.4
4.0 to 6.0
Molybdenum (Mo), % 0
1.5 to 3.0
Nickel (Ni), % 0 to 0.3
11.5 to 13.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 17.3 to 18.8
0
Vanadium (V), % 0.9 to 1.3
0.1 to 0.3