Black phosphated tube is one of the main our products,it is made after NBK prodess,the surface is delt with the imported chemical material to form a layer of oxidation film,to get rid of the rust.It's mainly used in motor engine for fuel tube  and hydraulic system fuel tube for engineer machine and automobile parts.
1.Size:OD10xTH1，OD10xTH1.5
2.Standard:DIN2391,EN10305-1,SAEJ524,ASTMA519,ISO8535
3.Material:ST35,ST37.4,ST45,SAE1010,SAE1020,10#,20#
4.Length:6m
5.Delivery state:NBK with black phosphated state
6.What's the advanage between our company products and other similar products? 
Our products are 100% checked including the size, surface and internal hole.So we can garantee the surface quality without pockmark,scratch,blackspot.Each piece of the tube is flowed with the fuel,so the internal hole is clean without iron dust,ashes.The size of tubes are tested with the internal micrometer and external micrometer,so the tolerance can be strictly guranteed.

Contact:VickyWang

Email:vickytube01@gmail.com

Phone:0086-015250360786