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■ Overview
In chinese specificaiton GB/T 5310,there is one high tensile strength grade 10Cr9Mo1VNbN seamless steel pipes tubes with 5850Mpa.Xinsteel keeps all diameters stock for these alloy seamless steel pipes.In chinese specificaiton GB/T 5310,there are all seamless type pipes and tubes grades for high pressure boiler using as carbon structural steels 20g,20Mng,25Mng and alloy steels 15MoG,20MoG,12CrMoG,15CrMoG,12Cr2MoG,12Cr1MoVG.
■ Full Data
Technical Requirements & Additional Services:
♦ Normalized at Temp.1040-1080 Deg.C and Tempered Heat treatment at Temp.750-780 Deg.C
♦ Flattening test according to GB/T 246
♦ Bending test comply to GB/T 232
♦ Normalized at Temp.1040-1080 Deg.C and Tempered Heat treatment at Temp.750-780 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 10Cr9Mo1VNbN boiler steel pipes:
|
10Cr9Mo1VNbN |
|
|
Yield strength (≥Mpa) |
415 |
|
Tensile strength (≥Mpa) |
585 |
►Chemical composition for 10Cr9Mo1VNbN boiler steel pipes (Heat Analysis Max%)
|
Main chemical elements composition of 10Cr9Mo1VNbN |
|||||||
|
C |
Si |
Mn |
P |
S |
Cr |
Alt |
Zr |
|
0.08-0.12 |
0.20-0.50 |
0.30-0.60 |
0.025 |
0.010 |
8.00-9.50 |
0.002 |
0.01 |
|
Cu |
Ni |
Mo |
V |
Nb |
N |
Ti |
W |
|
0.20 |
0.40 |
1.00-1.20 |
0.18-0.25 |
0.06-0.10 |
0.03-0.07 |
0.01 |
- |
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