+86 371 55057610 
inquiry@xsteelplate.com
■ Overview
In chinese specificaiton GB/T 5310,there are all seamless type pipes and tubes grades for high pressure boiler using as
alloy steels 15MoG,20MoG,12CrMoG,15CrMoG,12Cr2MoG,12Cr1MoVG,12Cr2MoWVTiB,07Cr2MoW2VNbB,12Cr3MoVSiTiB,
15Ni1MnMoNbCu,10Cr9Mo1VNbN,10Cr11MoW2VNbCu1BN.
15Ni1MnMoNbCu,10Cr9Mo1VNbN,10Cr11MoW2VNbCu1BN.
■ Full Data
Technical Requirements & Additional Services:
♦ Normalized at Temp.1040-1090 Deg.C and Tempered Heat treatment at Temp.720-770 Deg.C
♦ Flattening test according to GB/T 246
♦ Bending test comply to GB/T 232
♦ Normalized at Temp.1040-1090 Deg.C and Tempered Heat treatment at Temp.720-770 Deg.C
♦ 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 12Cr3MoVSiTiB boiler steel pipes:
|
12Cr3MoVSiTiB |
|
|
Yield strength (≥Mpa) |
440 |
|
Tensile strength (≥Mpa) |
610-805 |
►Chemical composition for12Cr3MoVSiTiB boiler steel pipes (Heat Analysis Max%)
|
Main chemical elements composition of 12Cr3MoVSiTiB |
|||||
|
C |
Si |
Mn |
P |
S |
Cr |
|
0.09-0.15 |
0.60-0.90 |
0.50-0.80 |
0.025 |
0.015 |
2.50-3.00 |
|
Cu |
Ni |
Mo |
V |
Ti |
B |
|
0.20 |
0.30 |
1.00-1.20 |
0.25-0.35 |
0.22-0.38 |
0.005-0.011 |
Tel：+86 371 55057610 
Fax： +86 371 5505 7611