MakeItFrom.com
Menu (ESC)

SAE-AISI T4 Steel vs. S35125 Stainless Steel

Both SAE-AISI T4 steel and S35125 stainless steel are iron alloys. They have 47% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI T4 steel and the bottom bar is S35125 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
78
Tensile Strength: Ultimate (UTS), MPa 800 to 2140
540

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Melting Completion (Liquidus), °C 1810
1430
Melting Onset (Solidus), °C 1750
1380
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 21
12
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 55
36
Density, g/cm3 9.4
8.1
Embodied Carbon, kg CO2/kg material 8.5
6.4
Embodied Energy, MJ/kg 130
89
Embodied Water, L/kg 120
210

Common Calculations

PREN (Pitting Resistance) 37
30
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 24 to 64
19
Strength to Weight: Bending, points 20 to 39
18
Thermal Diffusivity, mm2/s 5.4
3.1
Thermal Shock Resistance, points 24 to 64
12

Alloy Composition

Carbon (C), % 0.7 to 0.8
0 to 0.1
Chromium (Cr), % 3.8 to 4.5
20 to 23
Cobalt (Co), % 4.3 to 5.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 66.3 to 72.3
36.2 to 45.8
Manganese (Mn), % 0.1 to 0.4
1.0 to 1.5
Molybdenum (Mo), % 0.4 to 1.0
2.0 to 3.0
Nickel (Ni), % 0 to 0.3
31 to 35
Niobium (Nb), % 0
0.25 to 0.6
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0.2 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 0.8 to 1.2
0