S28200 Stainless Steel vs. SAE-AISI S7 Steel

Both S28200 stainless steel and SAE-AISI S7 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 (14, in this case) are not shown.

For each property being compared, the top bar is S28200 stainless steel and the bottom bar is SAE-AISI S7 steel.

UNS S28200 Stainless Steel SAE-AISI S7 (T41907) Shock-Resisting Steel

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.28
Poisson's Ratio		0.29

Shear Modulus, GPa		77
Shear Modulus, GPa		74

Tensile Strength: Ultimate (UTS), MPa		870
Tensile Strength: Ultimate (UTS), MPa		670 to 2030

Thermal Properties

Latent Heat of Fusion, J/g		290
Latent Heat of Fusion, J/g		260

Melting Completion (Liquidus), °C		1380
Melting Completion (Liquidus), °C		1460

Melting Onset (Solidus), °C		1330
Melting Onset (Solidus), °C		1420

Specific Heat Capacity, J/kg-K		480
Specific Heat Capacity, J/kg-K		470

Thermal Expansion, µm/m-K		18
Thermal Expansion, µm/m-K		12

Otherwise Unclassified Properties

Base Metal Price, % relative		12
Base Metal Price, % relative		5.0

Density, g/cm³		7.6
Density, g/cm³		7.8

Embodied Carbon, kg CO₂/kg material		2.8
Embodied Carbon, kg CO₂/kg material		2.3

Embodied Energy, MJ/kg		41
Embodied Energy, MJ/kg		31

Embodied Water, L/kg		160
Embodied Water, L/kg		65

Common Calculations

PREN (Pitting Resistance)		29
PREN (Pitting Resistance)		8.4

Stiffness to Weight: Axial, points		15
Stiffness to Weight: Axial, points		14

Stiffness to Weight: Bending, points		26
Stiffness to Weight: Bending, points		25

Strength to Weight: Axial, points		32
Strength to Weight: Axial, points		24 to 72

Strength to Weight: Bending, points		27
Strength to Weight: Bending, points		22 to 46

Thermal Shock Resistance, points		17
Thermal Shock Resistance, points		22 to 66

Alloy Composition

Carbon (C), %		0 to 0.15
Carbon (C), %		0.45 to 0.55

Chromium (Cr), %		17 to 19
Chromium (Cr), %		3.0 to 3.5

Copper (Cu), %		0.75 to 1.3
Copper (Cu), %		0 to 0.25

Iron (Fe), %		57.7 to 64.1
Iron (Fe), %		91.6 to 94.9

Manganese (Mn), %		17 to 19
Manganese (Mn), %		0.2 to 0.9

Molybdenum (Mo), %		0.75 to 1.3
Molybdenum (Mo), %		1.3 to 1.8

Nitrogen (N), %		0.4 to 0.6
Nitrogen (N), %		0

Phosphorus (P), %		0 to 0.045
Phosphorus (P), %		0 to 0.030

Silicon (Si), %		0 to 1.0
Silicon (Si), %		0.2 to 1.0

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

Vanadium (V), %		0
Vanadium (V), %		0 to 0.3