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EN 1.4310 Stainless Steel vs. AWS E430Nb

Both EN 1.4310 stainless steel and AWS E430Nb are iron alloys. They have a moderately high 90% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4310 stainless steel and the bottom bar is AWS E430Nb.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 45
23
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 730 to 900
500

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
24
Thermal Expansion, µm/m-K 18
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 14
15
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.9
3.1
Embodied Energy, MJ/kg 42
45
Embodied Water, L/kg 140
120

Common Calculations

PREN (Pitting Resistance) 20
18
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26 to 32
18
Strength to Weight: Bending, points 23 to 27
18
Thermal Diffusivity, mm2/s 4.0
6.6
Thermal Shock Resistance, points 15 to 18
13

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.1
Chromium (Cr), % 16 to 19
15 to 18
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 66.4 to 78
76.2 to 84.5
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.8
0 to 0.75
Nickel (Ni), % 6.0 to 9.5
0 to 0.6
Niobium (Nb), % 0
0.5 to 1.5
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030