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EN 1.4971 Stainless Steel vs. ASTM Grade HG10 MNN Steel

Both EN 1.4971 stainless steel and ASTM grade HG10 MNN steel are iron alloys. They have 65% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4971 stainless steel and the bottom bar is ASTM grade HG10 MNN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
170
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 34
23
Fatigue Strength, MPa 270
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 81
77
Tensile Strength: Ultimate (UTS), MPa 800
590
Tensile Strength: Yield (Proof), MPa 340
250

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 570
500
Maximum Temperature: Mechanical, °C 1100
990
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 13
15
Thermal Expansion, µm/m-K 15
16

Otherwise Unclassified Properties

Base Metal Price, % relative 70
21
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 7.6
4.0
Embodied Energy, MJ/kg 110
58
Embodied Water, L/kg 300
160

Common Calculations

PREN (Pitting Resistance) 38
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
110
Resilience: Unit (Modulus of Resilience), kJ/m3 280
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
21
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 3.4
3.9
Thermal Shock Resistance, points 19
13

Alloy Composition

Carbon (C), % 0.080 to 0.16
0.070 to 0.11
Chromium (Cr), % 20 to 22.5
18.5 to 20.5
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 24.3 to 37.1
57.9 to 66.5
Manganese (Mn), % 0 to 2.0
3.0 to 5.0
Molybdenum (Mo), % 2.5 to 3.5
0.25 to 0.45
Nickel (Ni), % 19 to 21
11.5 to 13.5
Niobium (Nb), % 0.75 to 1.3
0.2 to 1.0
Nitrogen (N), % 0.1 to 0.2
0.2 to 0.3
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 2.0 to 3.0
0