{
 "designation": "65x65x1.6SHS",
 "type": "Square Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 3.13,
 "dimensions_mm": {
  "d": 65.0,
  "b": 65.0,
  "t": 1.6,
  "ro": 3.2
 },
 "properties": {
  "A": 399.1649,
  "Ix": 265166.339,
  "Iy": 265166.339,
  "Zx": 8158.9643,
  "Zy": 8158.9643,
  "Sx": 9436.6333,
  "Sy": 9436.6333,
  "J": 413799.9438,
  "C": 12248.4315,
  "Iw": 0.0,
  "rx": 25.7741,
  "ry": 25.7741,
  "mass_calc": 3.1334,
  "surface": 0.2545,
  "surface_t": 81.3117
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 0.7739726196828118,
  "phiVv": 48055.68,
  "phiNs": 125121.77933419895,
  "phiNt": 152680.55531423882,
  "phiMsx": 2550617.300445041,
  "phiMsy": 2550617.300444997,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/square-hollow-sections/65x65x1-6shs/"
}