NINGBO BELIEF IMP.&EXP.CO.,LTD

Details A black coating or coating of certain steel products.



The principle is that the metal surface oxidation film, in order to cut off the air, to achieve the purpose of anti-rust.



1) Name: Black oxidation chain ring



2) Material: high-quality alloy steel 20mn2, carton steel q235b



3) diameter/size: 6mm,7mm,8mm,9mm,10mm,12mm,13mm,14mm,16mm,18mm,20mm,22mm,24mm



4) Rating: G30,g43,g70,g80



5) Use: Gourd chain, binder chain, bundling chain, strapping chain, transport chain, transmission chain, construction chain, jump decoration, pendulum chain, fishing chain, lifting chain, hardware chain, elevator balance chain, etc.



6) Manufacturing Standards: En818-2,iso,din 764,din 766,din 763,din 5685a/c,bs,jis,astm 80,nacm 84/90,NACM 96,



7) Safety factor: G80 minimum 4 times, G43 minimum 2 times



8) Product marking: 8,G80,G70,G43,G30 is used for identification purposes, or as required.



9) Packaging: steel barrels, iron trays, sacks, wooden cases, plastic boxes and so on. 10) We can also make non-standard chains according to customer requirements.