With minimum 355 Mpa Yield strength,Pressure vessel steel plate P355M have to be under thermomechanically rolled when producing.As for the named of these steel plate P355M,P is short for steel for pressure vessels and boilers,the number 355 stand for the minimum yield point should be 355 Mpa for this steel,M is short for the heat treatment of thermomechanically rolling and do low temperature impacting test at minus 20 centi degree.

 

Yusheng Steel are reserving hundreds tons such steel plates P355M,P355ML1 and P355ML2 in our production warehouse now.Please contact us freely to get our stock list for these boiler steel plates P355M and P355ML1 and P355ML2.We also offer our customers original Mill certificates for these steels along with our stock plates for guarantee our steel plate properity.

 

 Mechanical properties for P355M pressure vessel steel plate:

 

Yield Strength (Min Mpa)			Tensile Strength  ( Mpa)
t≤16	16<t≤40	40<t
355	355	345	450/610

 

 

 

 

 

Chemical composition of cast analysis for P355M boiler steel plate (Max %):

 

C	Si	Mn	P	S	Al total Min	N
0.14	0.50	1.60	0.025	0.020	0.020	0.015
Mo	Nb	Ni	Ti	V	Cr+Cu+Mo
0.20	0.05	0.50	0.05	0.10	0.60