S550MC -- TMCP hot-rolled high-strength structural steel. Re>=550 MPa, excellent cold formability. For heavy equipment frames, agricultural machinery and structural sections requiring high strength without Q+T.
S550MC per EN 10149-2 (1.8986). TMCP with Nb+V+Ti giving Re>=550 MPa directly cold-formable. CE~0.55 -- pre-heat required for t>20 mm. Standard for construction equipment booms, harvester frames and high-strength profile roll-forming.
| # | Standard Body | Designation | Country / Region | Note |
|---|
No composition data.
No mechanical data.
No physical data.
No heat treatment data.
No machinability data.
No data available.