MakeItFrom.com
Menu (ESC)

EN 1.7710 Steel vs. AISI 321 Stainless Steel

Both EN 1.7710 steel and AISI 321 stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 31 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 1.7710 steel and the bottom bar is AISI 321 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 320
170 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 6.8 to 11
34 to 50
Fatigue Strength, MPa 500 to 620
220 to 270
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 930 to 1070
590 to 690
Tensile Strength: Yield (Proof), MPa 800 to 1060
220 to 350

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Mechanical, °C 440
870
Melting Completion (Liquidus), °C 1470
1430
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 41
16
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 3.5
16
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.2
3.2
Embodied Energy, MJ/kg 30
45
Embodied Water, L/kg 57
140

Common Calculations

PREN (Pitting Resistance) 4.5
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 73 to 100
190 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 1680 to 2970
130 to 310
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 33 to 38
21 to 25
Strength to Weight: Bending, points 27 to 30
20 to 22
Thermal Diffusivity, mm2/s 11
4.1
Thermal Shock Resistance, points 27 to 31
13 to 15

Alloy Composition

Carbon (C), % 0.12 to 0.18
0 to 0.080
Chromium (Cr), % 1.3 to 1.8
17 to 19
Iron (Fe), % 95.1 to 97
65.3 to 74
Manganese (Mn), % 0.6 to 1.0
0 to 2.0
Molybdenum (Mo), % 0.8 to 1.0
0
Nickel (Ni), % 0
9.0 to 12
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.6
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0 to 0.7
Vanadium (V), % 0.15 to 0.25
0

Comparable Variants