{
 "designation": "30x30x2.5SHS",
 "type": "Square Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 2.03,
 "dimensions_mm": {
  "d": 30.0,
  "b": 30.0,
  "t": 2.5,
  "ro": 5.0
 },
 "properties": {
  "A": 258.8986,
  "Ix": 31557.8172,
  "Iy": 31557.8172,
  "Zx": 2103.8545,
  "Zy": 2103.8545,
  "Sx": 2609.7955,
  "Sy": 2609.7955,
  "J": 54014.8059,
  "C": 3201.5106,
  "Iw": 0.0,
  "rx": 11.0405,
  "ry": 11.0405,
  "mass_calc": 2.0324,
  "surface": 0.1114,
  "surface_t": 54.8843
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 1.0,
  "phiVv": 30375.0,
  "phiNs": 104853.91711515583,
  "phiNt": 99028.69949764715,
  "phiMsx": 1056967.1938439046,
  "phiMsy": 1056967.1938439037,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/square-hollow-sections/30x30x2-5shs/"
}