Product

JIS

DIN EN10273

BS EN10028-5

ASTM

ASME

Home > DIN-EN10273 > P355QH steel plate for Boiler Pressure Vessel

P355QH steel plate for Boiler Pressure Vessel

P355QH steel plate main introduction:
P355QH steel plate is a kind of material for boiler and pressure vessel steel. P355QH steel plates is characterised by a minimum yield strength of 280-355 MPa and by good weldability,so P355QH steel is mainly used to for manufacturing boilers.

P355QH steel plates chemical composition:(%)

Grade	C	Mn	S	N	Cu	Nb	Ti	Si	P	AL	Cr	Mo	Ni	Vi
P355QH	0.10-0.22	0.10-1.70	0.015	0.012	0.30	0.020	0.03	0.60	0.025	0.020	0.30	0.08	0.30	0.02

P355QH steel plate Mechanical properties:

Grade	Type	Thickness mm	Yield strength Mpa(min)	Tensile Strength MPa	Elongation % (min)	Impact Energy (KVJ) (min)
Grade	Type	Thickness mm	Yield strength Mpa(min)	Tensile Strength MPa	Elongation % (min)	-20°	0°	+20
P355QH	Normalized	≤16 16>to≤40 40>to≤60 60>to≤100 100>to≤150 150 >to ≤250	355	510-650	20	27	34	40
			345	510-650	20	27	34	40
			335	460-580	20	27	34	40
			315	490-630	20	27	34	40
			295	480-630	20	27	34	40
			280	470-630	20	27	34	40

P355QH steel plate application:
P355QH pressure vessel steel is widely used in petroleum, chemical industry, power station, boiler, etc, used to make the reactor, heat exchanger, separator, liquefied gas, nuclear reactor pressure vessel, boiler steam drum steam, liquefied petroleum, hydropower station, hiQH pressure pipe, spiral case and other equipment and components.

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