{
 "designation": "75x25x2.5RHS",
 "type": "Rectangular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 3.6,
 "dimensions_mm": {
  "d": 75.0,
  "b": 25.0,
  "t": 2.5,
  "ro": 5.0
 },
 "properties": {
  "A": 458.8986,
  "Ix": 285170.1796,
  "Iy": 48668.6221,
  "Zx": 7604.5381,
  "Zy": 3893.4898,
  "Sx": 10060.0132,
  "Sy": 4525.0491,
  "J": 143781.9241,
  "C": 7138.4956,
  "Iw": 0.0,
  "rx": 24.9284,
  "ry": 10.2983,
  "mass_calc": 3.6024,
  "surface": 0.1914,
  "surface_t": 53.1709
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 1.0,
  "phiVv": 85050.0,
  "phiNs": 185853.91711515532,
  "phiNt": 175528.69949764668,
  "phiMsx": 4074305.3289349354,
  "phiMsy": 1639122.0682395555,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/rectangular-hollow-sections/75x25x2-5rhs/"
}