{
 "designation": "76x38x4.0RHS",
 "type": "Rectangular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 6.23,
 "dimensions_mm": {
  "d": 76.0,
  "b": 38.0,
  "t": 4.0,
  "ro": 10.0
 },
 "properties": {
  "A": 793.0404,
  "Ix": 526872.9397,
  "Iy": 175889.2313,
  "Zx": 13865.0774,
  "Zy": 9257.328,
  "Sx": 18130.2974,
  "Sy": 11118.5294,
  "J": 466377.3116,
  "C": 16573.4797,
  "Iw": 0.0,
  "rx": 25.7754,
  "ry": 14.8926,
  "mass_calc": 6.2254,
  "surface": 0.2108,
  "surface_t": 33.8411
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 1.0,
  "phiVv": 132192.0,
  "phiNs": 321181.3704197317,
  "phiNt": 303337.96095196885,
  "phiMsx": 7342770.43841124,
  "phiMsy": 4503004.400436327,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/rectangular-hollow-sections/76x38x4-0rhs/"
}