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EN 1.4901 Stainless Steel vs. AWS E630

Both EN 1.4901 stainless steel and AWS E630 are iron alloys. They have 84% 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 1.4901 stainless steel and the bottom bar is AWS E630.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
8.0
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 740
1040

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Melting Completion (Liquidus), °C 1490
1430
Melting Onset (Solidus), °C 1450
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 26
17
Thermal Expansion, µm/m-K 12
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 11
14
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.8
2.8
Embodied Energy, MJ/kg 40
40
Embodied Water, L/kg 89
140

Common Calculations

PREN (Pitting Resistance) 14
18
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
37
Strength to Weight: Bending, points 23
29
Thermal Diffusivity, mm2/s 6.9
4.5
Thermal Shock Resistance, points 23
28

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0.0010 to 0.0060
0
Carbon (C), % 0.070 to 0.13
0 to 0.050
Chromium (Cr), % 8.5 to 9.5
16 to 16.8
Copper (Cu), % 0
3.3 to 4.0
Iron (Fe), % 85.8 to 89.1
71.6 to 75.9
Manganese (Mn), % 0.3 to 0.6
0.25 to 0.75
Molybdenum (Mo), % 0.3 to 0.6
0 to 0.75
Nickel (Ni), % 0 to 0.4
4.5 to 5.0
Niobium (Nb), % 0.040 to 0.090
0.15 to 0.3
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 1.5 to 2.0
0
Vanadium (V), % 0.15 to 0.25
0
Zirconium (Zr), % 0 to 0.010
0