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AISI 347H Stainless Steel vs. EN 1.4020 Stainless Steel

Both AISI 347H stainless steel and EN 1.4020 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, 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 1.4020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
190 to 340
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
13 to 34
Fatigue Strength, MPa 200
340 to 540
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 400
510 to 680
Tensile Strength: Ultimate (UTS), MPa 580
770 to 1130
Tensile Strength: Yield (Proof), MPa 230
430 to 950

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 480
410
Maximum Temperature: Mechanical, °C 940
890
Melting Completion (Liquidus), °C 1430
1390
Melting Onset (Solidus), °C 1390
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 19
11
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 3.6
2.5
Embodied Energy, MJ/kg 52
37
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 18
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
140 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 140
460 to 2290
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
28 to 41
Strength to Weight: Bending, points 20
25 to 32
Thermal Shock Resistance, points 13
16 to 23

Alloy Composition

Carbon (C), % 0.040 to 0.1
0 to 0.15
Chromium (Cr), % 17 to 19
16.5 to 19
Iron (Fe), % 64.1 to 74
62.8 to 71.8
Manganese (Mn), % 0 to 2.0
11 to 14
Nickel (Ni), % 9.0 to 13
0.5 to 2.5
Niobium (Nb), % 0 to 1.0
0
Nitrogen (N), % 0
0.2 to 0.45
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030