{
 "designation": "125x125x4.0SHS",
 "type": "Square Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 14.8,
 "dimensions_mm": {
  "d": 125.0,
  "b": 125.0,
  "t": 4.0,
  "ro": 10.0
 },
 "properties": {
  "A": 1881.0404,
  "Ix": 4518174.6905,
  "Iy": 4518174.6905,
  "Zx": 72290.795,
  "Zy": 72290.795,
  "Sx": 84469.7877,
  "Sy": 84469.7877,
  "J": 7248605.7934,
  "C": 109771.961,
  "Iw": 0.0,
  "rx": 49.0097,
  "ry": 49.0097,
  "mass_calc": 14.7662,
  "surface": 0.4828,
  "surface_t": 32.6237
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 1.0,
  "phiVv": 227448.0,
  "phiNs": 761821.3704197338,
  "phiNt": 719497.9609519709,
  "phiMsx": 29651165.090794735,
  "phiMsy": 29651165.090795517,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/square-hollow-sections/125x125x4-0shs/"
}