Mechanical Tube E355 ST52 ST52.0 ST52.3
Scope:
For seamless steel tubes for general and mechanical engineering purposes of non-alloy quality steel.
Application:
This steel is standard for application in mechanical engineering and for general technical purposes.
Process Method:
Hot rolled, Cold Drawn, Cold Rolled, Honed, SRB.
Dimensions and Tolerances:
Outer diameter: 6 to 1200 mm, wall thickness: 1 to 200 mm, length: Not more than 12 m.
STKM 13 Chemical Composition (WT %)
DIN | EN | JIS | C | Si | Mn | P | S |
ST52 | E355 | STKM 13 | ≤ 0.25 | ≤ 0.35 | 0.30 - 0.90 | ≤ 0.040 | ≤ 0.040 |
Delivery Condition:
Hot Rolled, Cold Drawn, Stress Relieved, Annealed, Normalized.
Mechanical Properties
Grade | No. | Cold Finished (+C) | Stress relieved (+SR) | Annealed (+A) | Normalized(+N) | ||||||
E355 | 1.0580 | Rm | Elongation | Rm | ReH | Elongation | Rm | Elongation | Rm | ReH | Elongation |
MPA | % | MPA | MPA | % | MPA | % | MPA | MPA | % | ||
≥640 | ≥4 | 580 | 450 | 10 | 450 | 22 | 490-630 | 355 | 22 | ||
Package:
All pipes shall be marked, coated with oil and capped with plastic end protector. All items shall be plain end.
