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EN 1.3975 Stainless Steel vs. AWS E309H

Both EN 1.3975 stainless steel and AWS E309H are iron alloys. They have 89% of their average alloy composition in common. There are 21 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 EN 1.3975 stainless steel and the bottom bar is AWS E309H.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 27
34
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 660
620

Thermal Properties

Latent Heat of Fusion, J/g 340
300
Melting Completion (Liquidus), °C 1360
1410
Melting Onset (Solidus), °C 1320
1370
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 16
14

Otherwise Unclassified Properties

Base Metal Price, % relative 15
20
Density, g/cm3 7.5
7.8
Embodied Carbon, kg CO2/kg material 3.3
3.7
Embodied Energy, MJ/kg 47
52
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 21
25
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 24
22
Strength to Weight: Bending, points 22
21
Thermal Shock Resistance, points 15
16

Alloy Composition

Carbon (C), % 0 to 0.050
0.040 to 0.15
Chromium (Cr), % 16 to 18
22 to 25
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 58.2 to 65.4
55.8 to 65.5
Manganese (Mn), % 7.0 to 9.0
0.5 to 2.5
Molybdenum (Mo), % 0 to 1.0
0 to 0.75
Nickel (Ni), % 8.0 to 9.0
12 to 14
Nitrogen (N), % 0.080 to 0.18
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 3.5 to 4.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030