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High temperature boiler alloy seamless steel tubes pipes 11CrMo9-10
Source:Xin Steel Industry Date:2018/09/14
High temperature boiler alloy seamless steel tubes pipes 11CrMo9-10
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.11CrMo9-10 alloy seamless steel pipes have to be done QT Quenching and Tempering heat treatment at temperature 900-960℃.Steel number is 1.7383.
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 11CrMo9-10 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 |
|
355 |
355 |
355 |
- |
540-680 |
20 |
18 |
►Chemical composition for 11CrMo9-10 steel tubes (Cast Analysis Max%)
|
Main chemical elements composition of 11CrMo9-10 | |||||||
|
C |
Si |
Mn |
P |
S |
Cr |
V | |
|
0.08-0.15 |
0.50 |
0.40-0.80 |
0.025 |
0.010 |
2.00- 2.50 |
- | |
|
Mo |
Ni |
Al total |
Cu |
Nb |
Ti |
B | |
|
0.90-1.10 |
0.30 |
0.040 |
0.30 |
- |
- |
- | |
XINSTEEL INDUSTRIAL CO.,LTD offering high quality of seamless steel pipes 11CrMo9-10 from chinese national owned steel mills TPCO,BAOSTEEL,etc.,and owned many different diameters stock pipes for sale anytime.