MBS and WLL to kN - OP Oval Carabiners climbing rated?

Purchased 3 Omega Pacific carabiners that are branded as Talos from Sierra Trading Post.
https://www.sierra.com/omega-pacific-talos-oval-straight-gate-bright-carabiner~p~711gx/?filterString=s~omega-pacific%2F#overviewSection

They seem to be climbing-rated but are not labeled in kN.
The carabiner lists a MBS (Maximum Breaking Strength) of 4400, and a WLL (Working Load Limit) of 1100, in lbs.  

Does anyone know how this roughly equates to kN or whether I can treat these as climbing carabiners?  My gut says yes but I'd prefer to rely on science, which is not my forte.  Can't find any useful ways to convert units from checking online

1 kN = 225 lbs

1100 lbs can be translated to 4.9 kN and 4400 lbs to 19.6 kN

FYI  - typical climbing specific gear does not have WLL specs, carabiners are usually rated around 24kN.

As to conversion - 1lbf ( 1 pound-force ) is 4.45N. 1lbf is the force that 1 lbm (pound mass ) experiences in Earth's gravity - 0.454kg *9.81m/s^2 = 4.45N.

Just called up Omega Pacific and they mentioned that while they are very strong carabiners, they are NOT rated or tested for climbing so they can't recommend them for that use.   They're going to get in touch with Sierra /STP and let them know so it no longer is listed as climbing equipment by them.    FYI