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High temperature alloy seamless steel tubes pipes 7CrMoVTiB10-10
Source:Xin Steel Industry Date:2018/09/03
High temperature alloy seamless steel tubes pipes 7CrMoVTiB10-10
Relative steel grades:20MnNb6,16Mo3,8MoB5-4,14MoV6-3,10CrMo5-5,13CrMo4-5,10CrMo9-10,
11CrMo9-10,25CrMo4,20CrMoV13-5-5,15NiCuMoNb5-6-4,7CrWVMoNb9-6,7CrMoVTiB10-10.
Main application:Non-alloy and alloy high temperature seamless steel pipes more used for building boilers and pressure vessels’parts.7CrMoVTiB10-10 alloy seamless steel pipes have to be done NT Normalizing plus Tempering heat treatment Normalized at temperature 980-1020℃,tempered at 730-770℃.
Rolling range:A) Diameter:1/2’’ to 36’’ B) Schedule:SCH20-SCHXXS C) O.D.:13.7MM-914.4MM D) Wall Thickness: 2.11MM-60MM E) Length: Max.17MM
Test: Low temperature impacting test,Ultrasonic examination,Heat treatment,Bending test,Eddy test,Hydrostatic test,High tension test.
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►Mechnical property for 7CrMoVTiB10-10 pressure vessel steel pipes:
|
Yield strength (≥Mpa) |
Tensile strength (≥Mpa) |
Elongation A min. % | ||||
|
T≤16 |
16<T≤40 |
40<T≤60 |
60<T≤100 |
|
Longitudinal |
Transverse |
|
450 |
430 |
430 |
- |
565-840 |
17 |
15 |
►Chemical composition for 7CrMoVTiB10-10 steel tubes (Cast Analysis Max%)
|
Main chemical elements composition of 7CrMoVTiB10-10 | |||||||
|
C |
Si |
Mn |
P |
S |
Cr |
V | |
|
0.05-0.10 |
0.15- 0.45 |
0.30-0.70 |
0.020 |
0.010 |
2.20- 2.60 |
0.20-0.30 | |
|
Mo |
N |
Al total |
V |
Nb |
Ti |
B | |
|
0.90-1.10 |
0.010 |
0.020 |
0.20- 0.30 |
- |
0.05- 0.10 |
0.0015-0.007 | |
XINSTEEL INDUSTRIAL CO.,LTD offering high quality of seamless steel pipes 7CrMoVTiB10-10 from chinese national owned steel mills TPCO,BAOSTEEL,etc.,and owned many different diameters stock pipes for sale anytime.