{
 "designation": "300x200x16.0RHS",
 "type": "Rectangular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 111.0,
 "dimensions_mm": {
  "d": 300.0,
  "b": 200.0,
  "t": 16.0,
  "ro": 40.0
 },
 "properties": {
  "A": 14096.6467,
  "Ix": 161293372.3648,
  "Iy": 85701215.3186,
  "Zx": 1075289.1491,
  "Zy": 857012.1532,
  "Sx": 1353201.7388,
  "Sy": 1022769.4021,
  "J": 192942123.571,
  "C": 1454792.852,
  "Iw": 0.0,
  "rx": 106.9671,
  "ry": 77.9714,
  "mass_calc": 110.6587,
  "surface": 0.9313,
  "surface_t": 8.3903
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 1.0,
  "phiVv": 2083968.0,
  "phiNs": 5709141.926715697,
  "phiNt": 5391967.375231492,
  "phiMsx": 548046704.2048863,
  "phiMsy": 414221607.8691033,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/rectangular-hollow-sections/300x200x16-0rhs/"
}