{
 "designation": "125x75x6.0RHS",
 "type": "Rectangular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 16.7,
 "dimensions_mm": {
  "d": 125.0,
  "b": 75.0,
  "t": 6.0,
  "ro": 15.0
 },
 "properties": {
  "A": 2132.3409,
  "Ix": 4161030.8613,
  "Iy": 1873762.51,
  "Zx": 66576.4938,
  "Zy": 49967.0003,
  "Sx": 84218.6289,
  "Sy": 59110.1052,
  "J": 4442439.0903,
  "C": 86241.3542,
  "Iw": 0.0,
  "rx": 44.1746,
  "ry": 29.6435,
  "mass_calc": 16.7389,
  "surface": 0.3742,
  "surface_t": 22.4099
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 1.0,
  "phiVv": 329508.0,
  "phiNs": 863598.0834443977,
  "phiNt": 815620.4121419311,
  "phiMsx": 34108544.68858209,
  "phiMsy": 23939592.60247215,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/rectangular-hollow-sections/125x75x6-0rhs/"
}