{
 "designation": "125x75x2.0RHS",
 "type": "Rectangular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 6.07,
 "dimensions_mm": {
  "d": 125.0,
  "b": 75.0,
  "t": 2.0,
  "ro": 4.0
 },
 "properties": {
  "A": 773.6951,
  "Ix": 1685528.3705,
  "Iy": 771396.9548,
  "Zx": 26968.4539,
  "Zy": 20570.5855,
  "Sx": 32450.8168,
  "Sy": 22908.4398,
  "J": 1665425.665,
  "C": 34422.9883,
  "Iw": 0.0,
  "rx": 46.6749,
  "ry": 31.5758,
  "mass_calc": 6.0735,
  "surface": 0.3931,
  "surface_t": 64.7664
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 0.6239188115110157,
  "phiVv": 117612.0,
  "phiNs": 195502.78020967895,
  "phiNt": 295938.3676784917,
  "phiMsx": 9172895.764865542,
  "phiMsy": 4105537.6547017,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/rectangular-hollow-sections/125x75x2-0rhs/"
}