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R30556 Alloy vs. EN 1.4062 Stainless Steel

Both R30556 alloy and EN 1.4062 stainless steel are iron alloys. They have 55% of their average alloy composition in common.

For each property being compared, the top bar is R30556 alloy and the bottom bar is EN 1.4062 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 45
23 to 34
Fatigue Strength, MPa 320
410 to 420
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 81
79
Shear Strength, MPa 550
510
Tensile Strength: Ultimate (UTS), MPa 780
770 to 800
Tensile Strength: Yield (Proof), MPa 350
530 to 600

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 450
440
Maximum Temperature: Mechanical, °C 1100
1030
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1330
1380
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 11
15
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 70
12
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 8.7
2.6
Embodied Energy, MJ/kg 130
37
Embodied Water, L/kg 300
150

Common Calculations

PREN (Pitting Resistance) 40
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
170 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 290
690 to 910
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26
28 to 29
Strength to Weight: Bending, points 22
24 to 25
Thermal Diffusivity, mm2/s 2.9
4.0
Thermal Shock Resistance, points 18
21 to 22

Alloy Composition

Aluminum (Al), % 0.1 to 0.5
0
Boron (B), % 0 to 0.020
0
Carbon (C), % 0.050 to 0.15
0 to 0.030
Chromium (Cr), % 21 to 23
21.5 to 24
Cobalt (Co), % 16 to 21
0
Iron (Fe), % 20.4 to 38.2
69.3 to 77.3
Lanthanum (La), % 0.0050 to 0.1
0
Manganese (Mn), % 0.5 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.5 to 4.0
0 to 0.45
Nickel (Ni), % 19 to 22.5
1.0 to 2.9
Niobium (Nb), % 0 to 0.3
0
Nitrogen (N), % 0.1 to 0.3
0.16 to 0.28
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0.2 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.010
Tantalum (Ta), % 0.3 to 1.3
0
Tungsten (W), % 2.0 to 3.5
0
Zinc (Zn), % 0.0010 to 0.1
0