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EN 1.4301 Stainless Steel vs. ASTM Grade HT Steel

Both EN 1.4301 stainless steel and ASTM grade HT steel are iron alloys. They have 73% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4301 stainless steel and the bottom bar is ASTM grade HT steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
150
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 46
4.6
Fatigue Strength, MPa 200 to 330
130
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 610 to 900
500
Tensile Strength: Yield (Proof), MPa 220 to 570
270

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 420
400
Maximum Temperature: Mechanical, °C 940
1010
Melting Completion (Liquidus), °C 1430
1390
Melting Onset (Solidus), °C 1380
1340
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 15
31
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.0
5.4
Embodied Energy, MJ/kg 43
76
Embodied Water, L/kg 140
190

Common Calculations

PREN (Pitting Resistance) 19
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 220
19
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 820
180
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22 to 32
18
Strength to Weight: Bending, points 20 to 27
18
Thermal Diffusivity, mm2/s 4.0
3.2
Thermal Shock Resistance, points 14 to 20
12

Alloy Composition

Carbon (C), % 0 to 0.070
0.35 to 0.75
Chromium (Cr), % 17.5 to 19.5
15 to 19
Iron (Fe), % 66.8 to 74.5
38.2 to 51.7
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 8.0 to 10.5
33 to 37
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 2.5
Sulfur (S), % 0 to 0.015
0 to 0.040