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EN 1.4378 Stainless Steel vs. AWS E307

Both EN 1.4378 stainless steel and AWS E307 are iron alloys. They have a moderately high 90% of their average alloy composition in common. There are 21 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 EN 1.4378 stainless steel and the bottom bar is AWS E307.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 34
34
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Tensile Strength: Ultimate (UTS), MPa 760 to 1130
660

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Melting Completion (Liquidus), °C 1390
1420
Melting Onset (Solidus), °C 1350
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
14

Otherwise Unclassified Properties

Base Metal Price, % relative 12
17
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.7
3.5
Embodied Energy, MJ/kg 39
49
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 23
23
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 41
24
Strength to Weight: Bending, points 24 to 31
22
Thermal Shock Resistance, points 16 to 23
17

Alloy Composition

Carbon (C), % 0 to 0.080
0.040 to 0.14
Chromium (Cr), % 17 to 19
18 to 21.5
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 61.2 to 69
59.6 to 69.2
Manganese (Mn), % 11.5 to 14.5
3.3 to 4.8
Molybdenum (Mo), % 0
0.5 to 1.5
Nickel (Ni), % 2.3 to 3.7
9.0 to 10.7
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.060
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030