{
 "designation": "350x250x10.0RHS",
 "type": "Rectangular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 88.4,
 "dimensions_mm": {
  "d": 350.0,
  "b": 250.0,
  "t": 10.0,
  "ro": 25.0
 },
 "properties": {
  "A": 11256.5026,
  "Ix": 194070834.4872,
  "Iy": 115881480.3682,
  "Zx": 1108976.1971,
  "Zy": 927051.8429,
  "Sx": 1334806.1069,
  "Sy": 1061980.9754,
  "J": 234997374.5658,
  "C": 1522288.9497,
  "Iw": 0.0,
  "rx": 131.3041,
  "ry": 101.4624,
  "mass_calc": 88.3635,
  "surface": 1.1571,
  "surface_t": 13.0891
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 0.9433969785334393,
  "phiVv": 1603800.0,
  "phiNs": 4300836.980823106,
  "phiNt": 4305612.255949815,
  "phiMsx": 532751505.23463106,
  "phiMsy": 339210153.7350704,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/rectangular-hollow-sections/350x250x10-0rhs/"
}