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Grade: P355Q
Type: boiler and pressure vessel steel plate
Standard: EN10028-6
Specification: Steel Plate Thickness: 2-460mmSteel Plate Width: 1500-3200mmLength:6000-12000mm
Application:P355Q steel grade is quenched and tempered steel grade for weldable fine grain pressure purposes. P355Q Grade has a good weldable and used in high temperature equipment and pressure vessel.


P355Q steel plate Chemical composition cast analysis

Element P355Q  Max % Element P355Q max %
C 0.16 Cr 0.30
Si 0.40 Mo 0.25
Mn 1.50 Cu 0.30
P 0.025 Nb 0.05
S 0.015 Ni 0.50
N 0.015  TI 0.03
B 0.005 V 0.06

P355Q carbon steel Mechanical properties, Longitudinal min impact energy

Grade Type Thickness Yield Strength Tensile Strength Elongation Impact Energy
(mm) MPa (min) MPa % (min) (KV J) (min)
        -20 degree
P355Q +QT ≤ 50 355 490-630 22 27
50to ≤100 355 490-630 22 27
100o ≤150 315 450-590 22 27

 1.DO you have factory?

We act as main distributors of goverment owned mills, and we have our own machining centers for cutting and simple machining jobs.

2.Where is your factory?

Our representative mills located in Henan, Shangdong, Jiangxi, Guangdong provinces,etc.

3.Can you send us the sample?

It should be according to our stock status and samples are available when we have suitable stocks.

4.How about the delivery time?

Normally we can keep 40 days in average with mill run schedule, for stocks within 10 days. All delivery terms are on basis to Chinese loading port.

5.What payment terms can you accept?

T/T or L/C. For special requests about the payment, please indicate us first then we will check the availability.

7, What is your MOQ?

MOQ for mill run should meet 5tons per size in normal condtions, which should follow the schedules of our mills when inquiry time. 

8, What is your shipping port?

Tianjin, Shanghai, Qingdao, etc. All loading ports in China are ok for us.

9,could i visit the factory by myself?

Surely you can, please inform us your plan in advance so we can arrange some people to take you have a look around our mills/ factories.

10.can you give me the Manufactory Test Certificate?

For sure we can supply some saples for your reference.

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