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High temperature pressure vessel seamless steel tube P235GH
Source:Xin Steel Industry Date:2018/10/15
High temperature pressure vessel seamless steel tube P235GH
Relative steel grades: P195GH,P235GH,P265GH,20MnNb6,16Mo3,8MoB5-4,14MoV6-3,10CrMo5-5,
13CrMo4-5,10CrMo9-10,11CrMo9-10,25CrMo4,20CrMoV13-5-5
Main application:Non-alloy and alloy high temperature seamless steel pipes more used for building boilers and pressure vessels’parts.P235GH seamless steel pipes have to be done Normalized heat treatment at temperature 880-940℃.
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 P235GH 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 |
|
235 |
225 |
215 |
- |
360-500 |
25 |
23 |
►Chemical composition for P235GH steel tubes (Cast Analysis Max%)
|
Main chemical elements composition of P235GH | |||||||
|
C |
Si |
Mn |
P |
S |
Cr |
V | |
|
0.16 |
0.35 |
1.20 |
0.025 |
0.010 |
0.30 |
0.02 | |
|
Mo |
Ni |
Al total |
Cu |
Nb |
Ti |
Cr+Cu+Mo+Ni | |
|
0.08 |
0.30 |
0.020 |
0.30 |
0.020 |
0.040 |
0.70 | |
XINSTEEL INDUSTRIAL CO.,LTD offering high quality of seamless steel pipes P235GH from chinese national owned steel mills TPCO,BAOSTEEL,etc.,and keeping many thousands tons stock for alloy and non-alloy seamless steel pipes in our warehouses ready for shipment.