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EN 1.3956 Stainless Steel vs. ASTM Grade HG10 MNN Steel

Both EN 1.3956 stainless steel and ASTM grade HG10 MNN steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.3956 stainless steel and the bottom bar is ASTM grade HG10 MNN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 27
23
Fatigue Strength, MPa 240
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Tensile Strength: Ultimate (UTS), MPa 650
590
Tensile Strength: Yield (Proof), MPa 330
250

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 460
500
Maximum Temperature: Mechanical, °C 1080
990
Melting Completion (Liquidus), °C 1420
1420
Melting Onset (Solidus), °C 1380
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 22
21
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.8
4.0
Embodied Energy, MJ/kg 68
58
Embodied Water, L/kg 180
160

Common Calculations

PREN (Pitting Resistance) 34
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
110
Resilience: Unit (Modulus of Resilience), kJ/m3 270
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
21
Strength to Weight: Bending, points 21
20
Thermal Shock Resistance, points 18
13

Alloy Composition

Carbon (C), % 0 to 0.060
0.070 to 0.11
Chromium (Cr), % 20.5 to 23.5
18.5 to 20.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 51.9 to 62.1
57.9 to 66.5
Manganese (Mn), % 4.0 to 6.0
3.0 to 5.0
Molybdenum (Mo), % 1.5 to 3.0
0.25 to 0.45
Nickel (Ni), % 11.5 to 13.5
11.5 to 13.5
Niobium (Nb), % 0.1 to 0.3
0.2 to 1.0
Nitrogen (N), % 0.2 to 0.4
0.2 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.1 to 0.3
0