{
 "designation": "125x75x5.0RHS",
 "type": "Rectangular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 14.2,
 "dimensions_mm": {
  "d": 125.0,
  "b": 75.0,
  "t": 5.0,
  "ro": 12.5
 },
 "properties": {
  "A": 1814.1257,
  "Ix": 3640509.1897,
  "Iy": 1646331.6291,
  "Zx": 58248.147,
  "Zy": 43902.1768,
  "Sx": 72747.6219,
  "Sy": 51144.4805,
  "J": 3825436.3937,
  "C": 75260.5041,
  "Iw": 0.0,
  "rx": 44.7968,
  "ry": 30.1249,
  "mass_calc": 14.2409,
  "surface": 0.3785,
  "surface_t": 26.6576
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 1.0,
  "phiVv": 279450.0,
  "phiNs": 734720.8912808313,
  "phiNt": 693903.063987452,
  "phiMsx": 29462786.88173465,
  "phiMsy": 20461928.60967535,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/rectangular-hollow-sections/125x75x5-0rhs/"
}