AISI 334 Stainless Steel vs. SAE-AISI H22 Steel

Both AISI 334 stainless steel and SAE-AISI H22 steel are iron alloys. They have 63% 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 AISI 334 stainless steel and the bottom bar is SAE-AISI H22 steel.

AISI 334 (S33400) Stainless Steel SAE-AISI H22 (T20822) Tungsten Hot-Work Steel

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.28
Poisson's Ratio		0.29

Shear Modulus, GPa		77
Shear Modulus, GPa		77

Tensile Strength: Ultimate (UTS), MPa		540
Tensile Strength: Ultimate (UTS), MPa		700 to 1920

Thermal Properties

Latent Heat of Fusion, J/g		290
Latent Heat of Fusion, J/g		250

Melting Completion (Liquidus), °C		1410
Melting Completion (Liquidus), °C		1670

Melting Onset (Solidus), °C		1370
Melting Onset (Solidus), °C		1620

Specific Heat Capacity, J/kg-K		480
Specific Heat Capacity, J/kg-K		440

Thermal Expansion, µm/m-K		16
Thermal Expansion, µm/m-K		12

Otherwise Unclassified Properties

Base Metal Price, % relative		22
Base Metal Price, % relative		28

Density, g/cm³		7.9
Density, g/cm³		8.7

Embodied Carbon, kg CO₂/kg material		4.1
Embodied Carbon, kg CO₂/kg material		4.9

Embodied Energy, MJ/kg		59
Embodied Energy, MJ/kg		73

Embodied Water, L/kg		170
Embodied Water, L/kg		72

Common Calculations

PREN (Pitting Resistance)		19
PREN (Pitting Resistance)		21

Stiffness to Weight: Axial, points		14
Stiffness to Weight: Axial, points		13

Stiffness to Weight: Bending, points		25
Stiffness to Weight: Bending, points		22

Strength to Weight: Axial, points		19
Strength to Weight: Axial, points		22 to 61

Strength to Weight: Bending, points		19
Strength to Weight: Bending, points		20 to 39

Thermal Shock Resistance, points		12
Thermal Shock Resistance, points		22 to 60

Alloy Composition

Aluminum (Al), %		0.15 to 0.6
Aluminum (Al), %		0

Carbon (C), %		0 to 0.080
Carbon (C), %		0.3 to 0.4

Chromium (Cr), %		18 to 20
Chromium (Cr), %		1.8 to 3.8

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

Iron (Fe), %		55.7 to 62.7
Iron (Fe), %		82.2 to 87.4

Manganese (Mn), %		0 to 1.0
Manganese (Mn), %		0.15 to 0.4

Nickel (Ni), %		19 to 21
Nickel (Ni), %		0 to 0.3

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

Silicon (Si), %		0 to 1.0
Silicon (Si), %		0.15 to 0.4

Sulfur (S), %		0 to 0.015
Sulfur (S), %		0 to 0.030

Titanium (Ti), %		0.15 to 0.6
Titanium (Ti), %		0

Tungsten (W), %		0
Tungsten (W), %		10 to 11.8

Vanadium (V), %		0
Vanadium (V), %		0.25 to 0.5