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■ Overview
GB/T 5310-2008 standard high tensile strength alloy seamless steel pipes and tubes 07Cr2MoW2VNbB with minimum yield strength at 400Mpa when rolling,and tensile strength above 510Mpa.07Cr2MoW2VNbB seamless steel pipes are used in Steam Boilers,Power Generation,Fossil Fuel Plants,Electric Power Plants,Industrial Processing Plants,Cogeneration Facilities.
■ 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 07Cr2MoW2VNbB boiler steel pipes:
|
07Cr2MoW2VNbB |
|
|
Yield strength (≥Mpa) |
400 |
|
Tensile strength (≥Mpa) |
510 |
►Chemical composition for 07Cr2MoW2VNbB boiler steel pipes (Heat Analysis Max%)
|
Main chemical elements composition of 07Cr2MoW2VNbB |
|||||||
|
C |
Si |
Mn |
P |
S |
Cr |
W |
Alt |
|
0.04-0.10 |
0.50 |
0.10-0.60 |
0.025 |
0.010 |
1.90-2.60 |
1.45-1.75 |
0.03 |
|
Cu |
Ni |
Mo |
V |
Ti |
B |
Nb |
N |
|
0.20 |
0.30 |
0.05-0.30 |
0.20-0.30 |
0.08-0.18 |
0.005-0.006 |
0.02-0.08 |
0.03 |
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