Black Chain

 

Black finish or coating for some steel products. the principle is the metal surface oxide film, in order to cut off the air, to achieve the purpose of anti-rust.

1)Name: black oxide link chain

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)Grade: G30, G43, G70, G80

5) Usage: Hoist chain, Binder chain ,tie down chain,Lashing chain, transportation chain, transmission chain, construction chain, hop decoration, swing chain, fishing chain, lifting chain, hardware chain,elevator balance chain etc

6)Manufacture standard: EN818-2,ISO,DIN 764,DIN 766,DIN 763,DIN 5685A/C,BS,JIS,ASTM 80,NACM 84/90,NACM 96,

7)Safety factor :min 4 times for G80,min 2 times for G43

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

9)Packing: Steel drum&iron pallet, gunny bag,wooden case,plastic case,etc.

10)We also can make the non-standard chain according to the clients’s requirements.