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■ Overview
Steel specification ASTM A213/A213M contains alloy seamless steel pipes grades A213 T21,T22,T23,T24,T36,T91,T92,T911,T122.These low alloy steel pipes A213 Grade T21 are mainly used for steel boilers,superheater and heat exchangers.
■ Full Data
Technical Requirements & Additional Services:
♦ Heat treatment typies Full or Isothermal anneal,Normalize and Temper
♦ General requirements for these tubes in A213/A213M shall be comply to A1016/A1016M
♦ Heat treatment typies Full or Isothermal anneal,Normalize and Temper
♦ General requirements for these tubes in A213/A213M shall be comply to A1016/A1016M
♦ Hydrostatic test or Nondestructive electric test
♦ Issued Orginal Mill test certificate under 3.1/3.2 FORMAT
♦ Surface Protection:Black,Varnish,Hot Dip Galvanized,Coating with shop prime
♦ Issued Orginal Mill test certificate under 3.1/3.2 FORMAT
♦ Surface Protection:Black,Varnish,Hot Dip Galvanized,Coating with shop prime
■ Techicals
►Mechnical property for A213 Grade T21 seamless steel tubes:
|
A213 Grade T21 |
|
|
Yield strength (≥Mpa) |
205 |
|
Tensile strength (≥Mpa) |
415 |
►Chemical composition for A213 Grade T21 steel tubes (Heat Analysis Max%)
|
Main chemical elements composition of A213 T21 |
||||||
|
C |
Mn |
P |
S |
Si |
Cr |
Mo |
|
0.05-0.15 |
0.30-0.60 |
0.025 |
0.025 |
0.50-1.00 |
2.65-3.35 |
0.80-1.06 |
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