AWS E312 vs. SAE-AISI H41 Steel

Both AWS E312 and SAE-AISI H41 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 (3, in this case) are not shown.

For each property being compared, the top bar is AWS E312 and the bottom bar is SAE-AISI H41 steel.

AWS E312 (W31310) Weld Metal SAE-AISI H41 (T20841) Molybdenum 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		0.27
Poisson's Ratio		0.29

Shear Modulus, GPa		80
Shear Modulus, GPa		77

Tensile Strength: Ultimate (UTS), MPa		740
Tensile Strength: Ultimate (UTS), MPa		710 to 2210

Thermal Properties

Latent Heat of Fusion, J/g		310
Latent Heat of Fusion, J/g		270

Melting Completion (Liquidus), °C		1410
Melting Completion (Liquidus), °C		1560

Melting Onset (Solidus), °C		1360
Melting Onset (Solidus), °C		1510

Specific Heat Capacity, J/kg-K		480
Specific Heat Capacity, J/kg-K		450

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

Otherwise Unclassified Properties

Base Metal Price, % relative		20
Base Metal Price, % relative		18

Density, g/cm³		7.7
Density, g/cm³		8.1

Embodied Carbon, kg CO₂/kg material		3.6
Embodied Carbon, kg CO₂/kg material		6.8

Embodied Energy, MJ/kg		52
Embodied Energy, MJ/kg		97

Embodied Water, L/kg		200
Embodied Water, L/kg		97

Common Calculations

PREN (Pitting Resistance)		31
PREN (Pitting Resistance)		35

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

Stiffness to Weight: Bending, points		25
Stiffness to Weight: Bending, points		24

Strength to Weight: Axial, points		27
Strength to Weight: Axial, points		24 to 76

Strength to Weight: Bending, points		24
Strength to Weight: Bending, points		22 to 47

Thermal Shock Resistance, points		18
Thermal Shock Resistance, points		20 to 64

Alloy Composition

Carbon (C), %		0 to 0.15
Carbon (C), %		0.6 to 0.75

Chromium (Cr), %		28 to 32
Chromium (Cr), %		3.5 to 4.0

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

Iron (Fe), %		52.3 to 63.5
Iron (Fe), %		81.8 to 85

Manganese (Mn), %		0.5 to 2.5
Manganese (Mn), %		0.15 to 0.4

Molybdenum (Mo), %		0 to 0.75
Molybdenum (Mo), %		8.2 to 9.2

Nickel (Ni), %		8.0 to 10.5
Nickel (Ni), %		0

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

Silicon (Si), %		0 to 1.0
Silicon (Si), %		0.2 to 0.45

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

Tungsten (W), %		0
Tungsten (W), %		1.4 to 2.1

Vanadium (V), %		0
Vanadium (V), %		1.0 to 1.3