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EN 10216-3 QT high strength seamless steel tubes pipes P690QL1
Source:Xin Steel Industry   Date:2018/11/14

 

EN 10216-3 QT high strength seamless steel tubes pipes P690QL1


Alloy fine grain steel tubes for pressure purposes with Quenched and Tempered in European standard EN 10216-3


Relative steel grades:P275NL1,P275NL2,P355N,P355NH,P355NL1,P355NL2,P460N,P460NH,
P460NL1,P460NL2,P620Q,P620QH,P620QL,P690Q,P690QH,P690QL1,P690QL2.


Main application:Non-alloy and alloy high temperature seamless steel pipes more used for building boilers and pressure vessels’parts,power plants.P690QL1 high strength low alloy seamless steel pipes have to be done Quenching and Tempering heat treatment.


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 and Certificates:Low temperature impacting test,NDE (Non-Destructive Testing),Ultrasonic examination,Heat treatment,Bending test,Eddy test,Hydrostatic test,High tension test.Mill test certificates with EN 10204 3.1 OR 3.2 approved by third party inspection TUV,LR,ABS,SGS,PED,etc.


Want to get more information about seamless steel pipes,please CONTACT XINSTEEL NOW

 

►Chemical composition for P690QL1 steel tubes (Cast Analysis Max%)

 

Main chemical elements composition of P690QL1

C

Si

Mn

P

S

Cr

Mo

Ni

0.20

0.60

1.00-1.70

0.025

0.020

0.30

0.10

0.80

Al total min.

Cu

N

Nb

Ti

V

Nb+Ti+V

0.020

0.30

0.020

0.05

0.040

0.20

 

 

Mechnical property for P690QL1 pressure vessel steel pipes:

 

Yield strength (≥Mpa)

Wall Thickness

Tensile strength (≥Mpa)

Wall Thickness

T≤20

20<T≤40

40<T≤50

50<T

65

65<T

80

80<T

100

T≤20

20<T≤40

40<T≤

65

65<T≤

100

690

650

615

580

540

500

770-960

720-

900

670-

850

620-

800

 

XINSTEEL owned thousands tons stock of high quality seamless steel tubes pipes with steel grades in EN 10216-2 and EN10216-3.P690QH quenched and tempered seamless pipes,P690Q high strength seamless steel tubes,P690QL1 P690QL2 low temperature used alloy seamless steel pipes original from Chinese national owned steel mills TPCO,BAOSTEEL,etc.