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AWS E312 vs. EN 1.4901 Stainless Steel

Both AWS E312 and EN 1.4901 stainless steel are iron alloys. They have 68% 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 AWS E312 and the bottom bar is EN 1.4901 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 25
19
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 740
740

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Melting Completion (Liquidus), °C 1410
1490
Melting Onset (Solidus), °C 1360
1450
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 20
11
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.6
2.8
Embodied Energy, MJ/kg 52
40
Embodied Water, L/kg 200
89

Common Calculations

PREN (Pitting Resistance) 31
14
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
26
Strength to Weight: Bending, points 24
23
Thermal Shock Resistance, points 18
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0.0010 to 0.0060
Carbon (C), % 0 to 0.15
0.070 to 0.13
Chromium (Cr), % 28 to 32
8.5 to 9.5
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 52.3 to 63.5
85.8 to 89.1
Manganese (Mn), % 0.5 to 2.5
0.3 to 0.6
Molybdenum (Mo), % 0 to 0.75
0.3 to 0.6
Nickel (Ni), % 8.0 to 10.5
0 to 0.4
Niobium (Nb), % 0
0.040 to 0.090
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0
1.5 to 2.0
Vanadium (V), % 0
0.15 to 0.25
Zirconium (Zr), % 0
0 to 0.010