ASTM A572 Grade 50 Structural Steel

ASTM A572 Grade 50 Structural Steel

High-strength low-alloy structural steel for bridges, buildings, welded frames, structural plate, beams, channels and heavy fabricated equipment.

Representative Properties

  • Typical tensile strength: 450 MPa
  • Typical yield strength: 345 MPa
  • Typical density: 7.85 g/cm³
  • Typical hardness: 140 HB
  • Standard: ASTM A572 Grade 50

Values are representative for the named grade and condition. Final design and procurement must use certified supplier data and the applicable standard.

Material properties
Material nameASTM A572 Grade 50 Structural Steel
TypeCarbon & Alloy Steel
Standard codeASTM A572 Grade 50
Tensile strength (MPa)450
Yield strength (MPa)345
Fatigue strength (MPa)200
Elongation (%)18
Hardness (Brinell)140
Density (g/cm³)7.85
Electrical resistivity (µΩ·in)6.3
Thermal conductivity (W/m·K)51.9
Melting range (°C)1425–1538
WeldabilityExcellent
FormabilityGood
Shear modulus80
Industry codeastm_a572_grade_50