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EN 1.4310 Stainless Steel vs. ASTM A372 Grade K Steel

Both EN 1.4310 stainless steel and ASTM A372 grade K steel are iron alloys. They have 77% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4310 stainless steel and the bottom bar is ASTM A372 grade K steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 270
230
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 45
23
Fatigue Strength, MPa 240 to 330
440
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 510 to 550
490
Tensile Strength: Ultimate (UTS), MPa 730 to 900
780
Tensile Strength: Yield (Proof), MPa 260 to 570
620

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 910
440
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
48
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 14
4.4
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.9
1.8
Embodied Energy, MJ/kg 42
24
Embodied Water, L/kg 140
57

Common Calculations

PREN (Pitting Resistance) 20
2.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 260
160
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 830
1010
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26 to 32
27
Strength to Weight: Bending, points 23 to 27
24
Thermal Diffusivity, mm2/s 4.0
13
Thermal Shock Resistance, points 15 to 18
23

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.18
Chromium (Cr), % 16 to 19
1.0 to 1.8
Iron (Fe), % 66.4 to 78
93.4 to 96.6
Manganese (Mn), % 0 to 2.0
0.1 to 0.4
Molybdenum (Mo), % 0 to 0.8
0.2 to 0.6
Nickel (Ni), % 6.0 to 9.5
2.0 to 3.3
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.015
Silicon (Si), % 0 to 2.0
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.010