1. Seamless mechnical tubing(ASTM A511,ASTM A519)
2. Standard&Material: ASTM A511 MT304(L),MT(316L),MT321, ASTM A519 SAE1010,SAE1020,SAE1035,SAE1045,SAE4130,SAE4140,etc.
3. Size range-carbon&ally steel OD:8mm-159mm, W.T:0.8mm-22mm. For stainless steel, OD:6-325mm, W.T:1-16mm
4. manufacturing method: Cold-drawn, cold-rolled.
5. Delivery condition: Normalized, Annealed, N+T,solution treatment(bright annealing),stress-relieving.
6. Marking,varnish,oil-coating,bevelled ends,end-protection by plastic caps to be confirmed if not specificed in standard specification.
7. Packing: in hexagonal bundles tied with steel strips or any other packing that is suitable for international sea-transportation.
8. Application: ASTM A519 seamless mechanical tubing are widely used for engineering,mechnical application and auto industry.




