{
 "designation": "60.3x4.5CHS",
 "type": "Circular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 6.19,
 "dimensions_mm": {
  "do": 60.3,
  "t": 4.5
 },
 "properties": {
  "A": 788.8539,
  "Ix": 309022.6746,
  "Iy": 309022.6746,
  "Zx": 10249.5083,
  "Zy": 10249.5083,
  "Sx": 14041.755,
  "Sy": 14041.755,
  "J": 618045.3492,
  "C": 20499.0166,
  "rx": 19.7923,
  "ry": 19.7923,
  "mass_calc": 6.1925,
  "surface": 0.1894,
  "surface_t": 30.6039
 },
 "design_AS4100": {
  "grade": "C250L0",
  "fy": 250,
  "fu": 320,
  "kf": 1.0,
  "phiVv": 63897.16714062817,
  "phiNs": 177492.13094618934,
  "phiNt": 177492.13094618934,
  "phiMsx": 3159394.874999999,
  "phiMsy": 3159394.874999999,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/circular-hollow-sections/60-3x4-5chs/"
}