{
 "designation": "457.0x12.7CHS",
 "type": "Circular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 139.0,
 "dimensions_mm": {
  "do": 457.0,
  "t": 12.7
 },
 "properties": {
  "A": 17726.7821,
  "Ix": 437771260.4338,
  "Iy": 437771260.4338,
  "Zx": 1915847.9669,
  "Zy": 1915847.9669,
  "Sx": 2507694.4173,
  "Sy": 2507694.4173,
  "J": 875542520.8676,
  "C": 3831695.9338,
  "rx": 157.1479,
  "ry": 157.1479,
  "mass_calc": 139.1552,
  "surface": 1.4357,
  "surface_t": 10.3288
 },
 "design_AS4100": {
  "grade": "C350L0",
  "fy": 350,
  "fu": 430,
  "kf": 1.0,
  "phiVv": 2010217.0927563966,
  "phiNs": 5583936.368767768,
  "phiNt": 5583936.368767768,
  "phiMsx": 788917136.4734148,
  "phiMsy": 788917136.4734148,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/circular-hollow-sections/457-0x12-7chs/"
}