{
 "designation": "65x65x2.5SHS",
 "type": "Square Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 4.78,
 "dimensions_mm": {
  "d": 65.0,
  "b": 65.0,
  "t": 2.5,
  "ro": 5.0
 },
 "properties": {
  "A": 608.8986,
  "Ix": 391042.512,
  "Iy": 391042.512,
  "Zx": 12032.0773,
  "Zy": 12032.0773,
  "Sx": 14140.5204,
  "Sy": 14140.5204,
  "J": 623887.4646,
  "C": 18095.8081,
  "Iw": 0.0,
  "rx": 25.3419,
  "ry": 25.3419,
  "mass_calc": 4.7799,
  "surface": 0.2514,
  "surface_t": 52.5973
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 1.0,
  "phiVv": 72900.0,
  "phiNs": 246603.91711515668,
  "phiNt": 232903.699497648,
  "phiMsx": 5539101.505538432,
  "phiMsy": 5539101.505538488,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/square-hollow-sections/65x65x2-5shs/"
}