Q345 D Steel pipe is mainly used in structure, electric power transmission tower projects, piling, water, oil & gas pipeline engineering, mechanical industry, municipal projects, roads and its auxiliary facilities, etc.
►Mechanical property for Q345D low alloy structural steel:
Thickness (mm) | ||||
Q345D
|
≤ 16
|
> 16 ≤ 35
|
> 35 ≤ 50
|
>50
|
Yield strength (≥Mpa)
|
345
|
325
|
295
|
275
|
Tensile strength (Mpa)
|
470-630
| |||
Main chemical elements composition of Q345D | ||||||||
C
|
Si
|
Mn
|
P
|
S
|
V
|
Nb
|
Ti
|
Al (min.)
|
0.18
|
0.55
|
1.00-1.60
|
0.030
|
0.030
|
0.02-0.15
|
0.015-0.060
|
0.02-0.20
|
0.015
|
Q345D Steel Pipe Technical Requirements & Additional Services:
♦ Issued Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦Low temperature impacting test
♦ Cutting and welding as per end user’s demands
♦ Ultrasonic test under GB/T2970,JB4730,EN 10160,ASTM A435,A577,A578
♦Low temperature impacting test
♦ Cutting and welding as per end user’s demands
♦ Ultrasonic test under GB/T2970,JB4730,EN 10160,ASTM A435,A577,A578
Q345D Extra Service: Pretreatment (Shot Blasting, Sand Blast, Painting and Galvanized), Cutting Parts, Sample Service, Third Party inspection, UT Test and Size inspection.
learn more:http://construction-steel.com/News/Q345D-Low-Alloy-Structural-Steel-Pipe-Equivalent-Grade-China-Made.html
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