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ASTM A202 Steel vs. EN 1.4971 Stainless Steel

Both ASTM A202 steel and EN 1.4971 stainless steel are iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ASTM A202 steel and the bottom bar is EN 1.4971 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 200
240
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 17 to 18
34
Fatigue Strength, MPa 240
270
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
81
Shear Strength, MPa 360 to 410
530
Tensile Strength: Ultimate (UTS), MPa 590 to 670
800
Tensile Strength: Yield (Proof), MPa 350 to 360
340

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 410
1100
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 52
13
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
70
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 1.4
7.6
Embodied Energy, MJ/kg 19
110
Embodied Water, L/kg 49
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93 to 96
220
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 350
280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 24
26
Strength to Weight: Bending, points 20 to 22
23
Thermal Diffusivity, mm2/s 14
3.4
Thermal Shock Resistance, points 17 to 20
19