The Packing Works for Steel Flanges

Steel flanges must be packed with seaworthy packing method then delivery to customers, usually the packing way include wooden box, wooden pallet, iron & steel cage, iron & steel pallet etc.

Flange packing

Because of the normal wooden boxes or wooden pallets have to do fumigation treatment, we usually use plywood pallet or plywood case or box to pack steel flanges without fumigation treatment.

根据ASME FF-Flange A105 B16.47系列B Class 150, Thickness 57.15 mm. (2.25')
根据ASME FF-Flange A105 B16.47系列B Class 150, Thickness 57.15 mm. (2.25")

Whatever plywood or iron & steel packing way, they must be seaworthy, strong, waterproof and easy for loading and unloading.


Inner packing


Shipping mark stick to outside of package.

267.4 MM OD,JIS 20K,250A , RF ,SF45A ,For 267.4 mm OD .Pipe,JIS250ARF
Steel cage
The packing way of iron & steel cage
Tensile membrane

The Rust Prevention for Steel Flanges

The normal rust prevention treatment for steel flanges include yellow (Golden) paint Coating, black paint coating or black phosphating treatment, varnish paint coating, varnish antirust oil coating, electro galvanizing coating (Cold), hot dip galvanizing coating etc.


The final process of dispatch is the most tedious of all , and heavy duty cranes are used for it. With the help of our extensive delivery chain we can ensure time critical deliveries at the behest of our esteemed clients.

We are indeed privileged to be able to serve and live upto their expectations and occupy unparalleled postion of Flange makers in China.

Marking on the flange

Shipping mark stick to outside of package. Following shall be marked on flange body

Mark on the flange

  • Manufacturer logo
  • ASTM material code
  • Material Grade
  • Service rating (Pressure-temperature Class))
  • Size
  • Thickness (Schedule)
  • Heat No
  • Special marking if any QT (Quenched and tempered) or W (Repair by welding)

Stainless Steel Flanges Features accord to standard:

Measurement height

Measurement inside radius

Measurement outside radius

Measurement outside radius

Waiting for packing