Sell GB713 Q345R steel plates

Sell Q345R steel plate under GB713-2014 standard is a special used pressure vessel plate with yield strength 345MPa min. Q345R steel manufacturing: the material is smelted by an oxygen top-blown converter method, an open hearth method or in an electric furnace.
GB713 Q345R steel plates and Q345R equivalent are widely used in petroleum, chemical, power station, boiler and other industries. It is generally used in the production of reactors, heat exchangers, separators, air pipes, liquefied gas tanks, boiler gas bags and liquefied petroleum gas cylinders.
Realtive grades: Q245R, Q370R, 15CrMoR, 12Cr1MoVR Steel Price
GB713 Q345R Plates Size
Thickness : 3-150mm
Width: 1220-4200mm
Length: 5000-18000mm
Q345R Steel Chemical Composition (%)

Grade	C max.	Si max.	Mn	Cu max.	Ni max.	Cr max.	Mo max.
Q345R	0.20	0.55	1.20-1.70	0.30	0.30	0.30	0.08
	Nb max.	V max.	Ti max.	Alt min.	P min.	S min.	-
	0.050	0.050	0.030	0.020	0.025	0.01

Q345R steel mechanical properties

Grade	Thickness	Tensile strength	Yield strength	Elongation %	Impacting Test
					Temperature	V
Q345R	6-60	490-620	315	20	0℃	41
	60-100	490-620	305

Q345R steel plate delivery status
The Q345R steel plate is usually delivered in normalized + tempered condition. According to the special agreement at the time of order, the Q345R steel plate can also be delivered in an annealed or tempered condition. Significantly improve the plasticity and impact toughness of steel and improve the anisotropy of steel.
Q345R steel plate size, shape, weight and tolerance
The size, shape, weight and tolerance of Q345R steel plate shall comply with the provisions of GB/T 709, and the thickness tolerance shall be in accordance with Class B deviation of GB/T 709. For  Q345R steel price, pls contact us.

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