♦ Heat treatment Normalize and Temper,Austenitizing / Solutioning Temperature range 980-1020 Degree.C.
♦ General requirements for these tubes in A213/A213M shall be comply to A1016/A1016M
♦ Mill test certificate with EN 10204 TYPE 3.1 OR 3.2
♦ Surface Protection:Black,Varnish,Hot Dip Galvanized,Coating with shop prime
►Mechnical property for A213 Grade T24 seamless steel tubes:
A213 Grade T24 |
|
Yield strength (≥Mpa) |
415 |
Tensile strength (≥Mpa) |
585 |
►Chemical composition for A213 Grade T24 steel tubes (Heat Analysis Max%)
Main chemical elements composition of A213 T24 |
|||||
C |
Mn |
P |
S |
Si |
Cr |
0.05-0.10 |
0.30-0.70 |
0.020 |
0.010 |
0.15-0.45 |
2.2-2.6 |
Mo |
V |
B |
N |
Al |
Ti |
0.9-1.1 |
0.2-0.3 |
0.0015-0.007 |
0.012 |
0.02 |
0.06-0.10 |