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AISI 347H Stainless Steel vs. EN 1.1127 Steel

Both AISI 347H stainless steel and EN 1.1127 steel are iron alloys. They have 71% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AISI 347H stainless steel and the bottom bar is EN 1.1127 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
190 to 230
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
14 to 25
Fatigue Strength, MPa 200
280 to 370
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 400
420 to 480
Tensile Strength: Ultimate (UTS), MPa 580
660 to 790
Tensile Strength: Yield (Proof), MPa 230
410 to 580

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
400
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
49
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 19
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.6
1.5
Embodied Energy, MJ/kg 52
19
Embodied Water, L/kg 150
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
90 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 140
440 to 880
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
23 to 28
Strength to Weight: Bending, points 20
22 to 24
Thermal Diffusivity, mm2/s 4.2
13
Thermal Shock Resistance, points 13
21 to 25

Alloy Composition

Carbon (C), % 0.040 to 0.1
0.34 to 0.42
Chromium (Cr), % 17 to 19
0 to 0.4
Iron (Fe), % 64.1 to 74
96.6 to 98.1
Manganese (Mn), % 0 to 2.0
1.4 to 1.7
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 9.0 to 13
0 to 0.4
Niobium (Nb), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 0.75
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.035