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■ Overview
ASTM A423 specification including A423 Grade 1 seamless tube,A423 Grade 2 seamless tube and A423 Grade 3 seamless tube with low alloy.These A423 Grade 1 seamless steel tubes shall be done Normalized heat treatment when supplying.
■ Full Data
Technical Requirements & Additional Services for A423 Grade 1 seamless steel tube:
♦ Hydrostatic test or Nondestructive electric test.
♦ Mill test certificate with EN 10204 TYPE 3.1 OR 3.2.
♦ CNC Cutting for A423 grade 1 seamless pipe according to customers'drawing.
♦ Surface Protection:Black,Varnish,Pickling,shot blasting,Bevelled end connection.
♦ Mill test certificate with EN 10204 TYPE 3.1 OR 3.2.
♦ CNC Cutting for A423 grade 1 seamless pipe according to customers'drawing.
♦ Surface Protection:Black,Varnish,Pickling,shot blasting,Bevelled end connection.
■ Techicals
►Mechnical property for A423 Grade 1 seamless pipe:
|
Yield strength (Mpa) Min. |
Tensile strength (Mpa) Min. |
Elongation in 50mm ≥,% |
|
255 |
415 |
25 |
►Chemical composition for A423 Grade 1 seamless pipe (Heat Analysis Max%)
|
Main chemical elements composition of A423 Grade 1 |
|||||||
|
C |
Si min. |
Mn |
P |
S |
Cu |
Cr |
Ni |
|
0.15 |
0.10 |
0.55 |
0.06-0.16 |
0.06 |
0.20-0.60 |
0.24-1.31 |
0.20-0.70 |
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