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■ Overview
GB/T 5310-2008 standard alloy seamlss steel pipes and tubes 12Cr1MoVG shall be done Normalized and Tempered heat treatment OR Quenched and Tempered.Accelerated cooling done after Normaling treat.Steel grade 12Cr1MoVG is one kind of Molybdenum and Chromium alloy seamless steel tubes and pipes for pressure vessels.
■ Full Data
Technical Requirements & Additional Services:
♦ Flattening test according to GB/T 246
♦ Bending test comply to GB/T 232
♦ Flattening test according to GB/T 246
♦ Bending test comply to GB/T 232
♦ Expansion test comply to GB/T 242
♦ Microstructure examination comply to GB/T 13298
♦ Issued Orginal Mill test certificate under 3.1/3.2 FORMAT
♦ Surface Protection:Black,Varnish,Hot Dip Galvanized,Coating with shop prime
♦ Microstructure examination comply to GB/T 13298
♦ 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 12Cr1MoVG boiler steel pipes:
|
12Cr1MoVG |
|
|
Yield strength (≥Mpa) |
255 |
|
Tensile strength (≥Mpa) |
470-640 |
►Chemical composition for 12Cr1MoVG boiler steel pipes (Heat Analysis Max%)
|
Main chemical elements composition of 12Cr1MoVG |
|||||
|
C |
Si |
Mn |
P |
S |
Cr |
|
0.08-0.15 |
0.17-0.37 |
0.40-0.70 |
0.025 |
0.010 |
0.90-1.20 |
|
Cu |
Ni |
Mo |
V |
Ti |
Zr |
|
0.20 |
0.30 |
0.25-0.35 |
0.15-0.30 |
- |
- |
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