S38815 Stainless Steel vs. SAE-AISI T1 Steel

Both S38815 stainless steel and SAE-AISI T1 steel are iron alloys. They have 67% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is S38815 stainless steel and the bottom bar is SAE-AISI T1 steel.

UNS S38815 Stainless Steel SAE-AISI T1 (T12001) Tungsten High-Speed Steel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		190
Elastic (Young's, Tensile) Modulus, GPa		200

Poisson's Ratio		0.29
Poisson's Ratio		0.29

Shear Modulus, GPa		74
Shear Modulus, GPa		80

Tensile Strength: Ultimate (UTS), MPa		610
Tensile Strength: Ultimate (UTS), MPa		770 to 2130

Thermal Properties

Latent Heat of Fusion, J/g		370
Latent Heat of Fusion, J/g		240

Melting Completion (Liquidus), °C		1360
Melting Completion (Liquidus), °C		1810

Melting Onset (Solidus), °C		1310
Melting Onset (Solidus), °C		1750

Specific Heat Capacity, J/kg-K		500
Specific Heat Capacity, J/kg-K		410

Thermal Expansion, µm/m-K		15
Thermal Expansion, µm/m-K		12

Otherwise Unclassified Properties

Base Metal Price, % relative		19
Base Metal Price, % relative		45

Density, g/cm³		7.5
Density, g/cm³		9.3

Embodied Carbon, kg CO₂/kg material		3.8
Embodied Carbon, kg CO₂/kg material		8.2

Embodied Energy, MJ/kg		54
Embodied Energy, MJ/kg		130

Embodied Water, L/kg		140
Embodied Water, L/kg		90

Common Calculations

PREN (Pitting Resistance)		18
PREN (Pitting Resistance)		34

Stiffness to Weight: Axial, points		14
Stiffness to Weight: Axial, points		12

Stiffness to Weight: Bending, points		25
Stiffness to Weight: Bending, points		21

Strength to Weight: Axial, points		22
Strength to Weight: Axial, points		23 to 64

Strength to Weight: Bending, points		21
Strength to Weight: Bending, points		20 to 40

Thermal Shock Resistance, points		15
Thermal Shock Resistance, points		23 to 64

Alloy Composition

Aluminum (Al), %		0 to 0.3
Aluminum (Al), %		0

Carbon (C), %		0 to 0.030
Carbon (C), %		0.65 to 0.8

Chromium (Cr), %		13 to 15
Chromium (Cr), %		3.8 to 4.5

Copper (Cu), %		0.75 to 1.5
Copper (Cu), %		0 to 0.25

Iron (Fe), %		56.1 to 67
Iron (Fe), %		73.2 to 77.2

Manganese (Mn), %		0 to 2.0
Manganese (Mn), %		0.1 to 0.4

Molybdenum (Mo), %		0.75 to 1.5
Molybdenum (Mo), %		0

Nickel (Ni), %		13 to 17
Nickel (Ni), %		0 to 0.3

Phosphorus (P), %		0 to 0.040
Phosphorus (P), %		0 to 0.030

Silicon (Si), %		5.5 to 6.5
Silicon (Si), %		0.2 to 0.4

Sulfur (S), %		0 to 0.020
Sulfur (S), %		0 to 0.030

Tungsten (W), %		0
Tungsten (W), %		17.3 to 18.8

Vanadium (V), %		0
Vanadium (V), %		0.9 to 1.3