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AWS E309H vs. EN 1.4849 Stainless Steel

Both AWS E309H and EN 1.4849 stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AWS E309H and the bottom bar is EN 1.4849 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
4.5
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 78
75
Tensile Strength: Ultimate (UTS), MPa 620
480

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Melting Completion (Liquidus), °C 1410
1390
Melting Onset (Solidus), °C 1370
1340
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 14
15

Otherwise Unclassified Properties

Base Metal Price, % relative 20
42
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.7
7.1
Embodied Energy, MJ/kg 52
100
Embodied Water, L/kg 180
200

Common Calculations

PREN (Pitting Resistance) 25
20
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
17
Strength to Weight: Bending, points 21
17
Thermal Diffusivity, mm2/s 4.0
3.2
Thermal Shock Resistance, points 16
11

Alloy Composition

Carbon (C), % 0.040 to 0.15
0.3 to 0.5
Chromium (Cr), % 22 to 25
18 to 21
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 55.8 to 65.5
32.6 to 43.5
Manganese (Mn), % 0.5 to 2.5
0 to 2.0
Molybdenum (Mo), % 0 to 0.75
0 to 0.5
Nickel (Ni), % 12 to 14
36 to 39
Niobium (Nb), % 0
1.2 to 1.8
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
1.0 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030